Commit graph

521 commits

Author SHA1 Message Date
Linus Torvalds
31848987f1 soc: sophgo devicetree updates for 6.16
The Sophgo SG2044 SoC is their second generation server chip
 with 64 cores, following the SG2042.
 
 In addition, there are minor updates for the cv180x SoCs.
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Merge tag 'soc-newsoc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull sophgo SoC devicetree updates from Arnd Bergmann:
 "The Sophgo SG2044 SoC is their second generation server chip with 64
  cores, following the SG2042.

  In addition, there are minor updates for the cv180x SoCs"

* tag 'soc-newsoc-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  riscv: dts: sophgo: switch precise compatible for existed clock device for CV18XX
  riscv: dts: sophgo: Add initial device tree of Sophgo SRD3-10
  dt-bindings: riscv: sophgo: Add SG2044 compatible string
  dt-bindings: interrupt-controller: Add Sophgo SG2044 PLIC
  dt-bindings: interrupt-controller: Add Sophgo SG2044 CLINT mswi
  riscv: dts: sopgho: use SOC_PERIPHERAL_IRQ to calculate interrupt number
  riscv: dts: sophgo: rename header file cv18xx.dtsi to cv180x.dtsi
  riscv: dts: sophgo: Move riscv cpu definition to a separate file
  riscv: dts: sophgo: Move all soc specific device into soc dtsi file
  riscv: sophgo: dts: Add spi controller for SG2042
  riscv: dts: sophgo: sg2042: add pinctrl support
2025-05-31 08:14:37 -07:00
Linus Torvalds
ec71f661a5 soc: devicetree updates for 6.16
There are 11 newly supported SoCs, but these are all either new
 variants of existing designs, or straig reuses of the existing
 chip in a new package:
 
  - RK3562 is a new chip based on the old Cortex-A53 core, apparently
    a low-cost version of the Cortex-A55 based RK3568/RK3566.
 
  - NXP i.MX94 is a minor variation of i.MX93/i.MX95 with a different
    set of on-chip peripherals.
 
  - Renesas RZ/V2N (R9A09G056) is a new member of the larger RZ/V2 family
 
  - Amlogic S6/S7/S7D
 
  - Samsung Exynos7870 is an older chip similar to Exynos7885
 
  - WonderMedia wm8950 is a minor variation on the wm8850 chip
  - Amlogic s805y is almost idential to s805x
 
  - Allwinner A523 is similar to A527 and T527
 
  - Qualcomm MSM8926 is a variant of MSM8226
 
  - Qualcomm Snapdragon X1P42100 is related to R1E80100
 
 There are also 65 boards, including reference designs for the chips
 above, this includes
 
  - 12 new boards based on TI K3 series chips, most of them from
    Toradex
 
  - 10 devices using Rockchips RK35xx and PX30 chips
 
  - 2 phones and 2 laptops based on Qualcomm Snapdragon designs
 
  - 10 NXP i.MX8/i.MX9 boards, mostly for embedded/industrial uses
 
  - 3 Samsung Galaxy phones based on Exynos7870
 
  - 5 Allwinner based boards using a variety of ARMv8 chips
 
  - 9 32-bit machines, each based on a different SoC family
 
 Aside from the new hardware, there is the usual set of cleanups and
 newly added hardware support on existing machines, for a total of 965
 devicetree changesets.
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Merge tag 'soc-dt-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "There are 11 newly supported SoCs, but these are all either new
  variants of existing designs, or straight reuses of the existing chip
  in a new package:

   - RK3562 is a new chip based on the old Cortex-A53 core, apparently a
     low-cost version of the Cortex-A55 based RK3568/RK3566.

   - NXP i.MX94 is a minor variation of i.MX93/i.MX95 with a different
     set of on-chip peripherals.

   - Renesas RZ/V2N (R9A09G056) is a new member of the larger RZ/V2
     family

   - Amlogic S6/S7/S7D

   - Samsung Exynos7870 is an older chip similar to Exynos7885

   - WonderMedia wm8950 is a minor variation on the wm8850 chip

   - Amlogic s805y is almost idential to s805x

   - Allwinner A523 is similar to A527 and T527

   - Qualcomm MSM8926 is a variant of MSM8226

   - Qualcomm Snapdragon X1P42100 is related to R1E80100

  There are also 65 boards, including reference designs for the chips
  above, this includes

   - 12 new boards based on TI K3 series chips, most of them from
     Toradex

   - 10 devices using Rockchips RK35xx and PX30 chips

   - 2 phones and 2 laptops based on Qualcomm Snapdragon designs

   - 10 NXP i.MX8/i.MX9 boards, mostly for embedded/industrial uses

   - 3 Samsung Galaxy phones based on Exynos7870

   - 5 Allwinner based boards using a variety of ARMv8 chips

   - 9 32-bit machines, each based on a different SoC family

  Aside from the new hardware, there is the usual set of cleanups and
  newly added hardware support on existing machines, for a total of 965
  devicetree changesets"

* tag 'soc-dt-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (956 commits)
  MAINTAINERS, mailmap: update Sven Peter's email address
  arm64: dts: renesas: rzg3e-smarc-som: Reduce I2C2 clock frequency
  arm64: dts: nuvoton: Add pinctrl
  ARM: dts: samsung: sp5v210-aries: Align wifi node name with bindings
  arm64: dts: blaize-blzp1600: Enable GPIO support
  dt-bindings: clock: socfpga: convert to yaml
  arm64: dts: rockchip: move rk3562 pinctrl node outside the soc node
  arm64: dts: rockchip: fix rk3562 pcie unit addresses
  arm64: dts: rockchip: move rk3528 pinctrl node outside the soc node
  arm64: dts: rockchip: remove a double-empty line from rk3576 core dtsi
  arm64: dts: rockchip: move rk3576 pinctrl node outside the soc node
  arm64: dts: rockchip: fix rk3576 pcie unit addresses
  arm64: dts: rockchip: Drop assigned-clock* from cpu nodes on rk3588
  arm64: dts: rockchip: Add missing SFC power-domains to rk3576
  Revert "arm64: dts: mediatek: mt8390-genio-common: Add firmware-name for scp0"
  arm64: dts: mediatek: mt8188: Address binding warnings for MDP3 nodes
  arm64: dts: mt6359: Rename RTC node to match binding expectations
  arm64: dts: mt8365-evk: Add goodix touchscreen support
  arm64: dts: mediatek: mt8188: Add missing #reset-cells property
  arm64: dts: airoha: en7581: Add PCIe nodes to EN7581 SoC evaluation board
  ...
2025-05-31 08:08:56 -07:00
Arnd Bergmann
17e6320b0d Renesas DTS updates for v6.16 (take three)
- Silence a DTC warning,
   - Add an extra compatible value to avoid future issues.
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Merge tag 'renesas-dts-for-v6.16-tag3' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/dt

Renesas DTS updates for v6.16 (take three)

  - Silence a DTC warning,
  - Add an extra compatible value to avoid future issues.

* tag 'renesas-dts-for-v6.16-tag3' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  riscv: dts: renesas: Add specific RZ/Five cache compatible
  arm64: dts: renesas: sparrow-hawk: Disable dtc spi_bus_bridge check

Link: https://lore.kernel.org/r/cover.1747399860.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-05-21 23:59:56 +02:00
Arnd Bergmann
00000994fe RISC-V Devicetrees for v6.16
Starfive:
 All Starfive this time (again), enabling the usb3 port on the framework
 laptop mainboard, and a few cleanup patches that are syncing things with
 the dts used by U-Boot.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-for-v6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/dt

RISC-V Devicetrees for v6.16

Starfive:
All Starfive this time (again), enabling the usb3 port on the framework
laptop mainboard, and a few cleanup patches that are syncing things with
the dts used by U-Boot.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-dt-for-v6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  riscv: dts: starfive: jh7110-common: bootph-pre-ram hinting needed by boot loader
  riscv: dts: starfive: jh7110-common: add eeprom node to i2c5
  riscv: dts: starfive: jh7110-common: qspi flash setting read-delay 2 cycles max 100MHz
  riscv: dts: starfive: jh7110-common: add CPU BUS PERH QSPI clocks to syscrg
  riscv: dts: starfive: jh7110-common: use macros for MMC0 pins
  riscv: dts: starfive: fml13v01: enable USB 3.0 port

Link: https://lore.kernel.org/r/20250516-gap-exploring-f8f516ab4e1c@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-05-21 23:57:49 +02:00
Arnd Bergmann
ba32d96e90 RISC-V SpacemiT DT changes for 6.16
- Add clock driver, fix for pinctrl/uart
 - Add gpio support, enable LED heartbeat
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Merge tag 'spacemit-dt-for-6.16-1' of https://github.com/spacemit-com/linux into soc/dt

RISC-V SpacemiT DT changes for 6.16

- Add clock driver, fix for pinctrl/uart
- Add gpio support, enable LED heartbeat

* tag 'spacemit-dt-for-6.16-1' of https://github.com/spacemit-com/linux:
  riscv: dts: spacemit: add gpio LED for system heartbeat
  riscv: dts: spacemit: add gpio support for K1 SoC
  riscv: dts: spacemit: Acquire clocks for UART
  riscv: dts: spacemit: Acquire clocks for pinctrl
  riscv: dts: spacemit: Add clock tree for SpacemiT K1
  dt-bindings: clock: spacemit: Add spacemit,k1-pll
  dt-bindings: soc: spacemit: Add spacemit,k1-syscon

Link: https://lore.kernel.org/r/20250514044841-GYA524674@gentoo
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-05-21 23:48:03 +02:00
Inochi Amaoto
108a767798 riscv: dts: sophgo: switch precise compatible for existed clock device for CV18XX
replace newly added precise compatible with old one for existed
clock device of CV18XX series SoCs.

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250504104553.1447819-4-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
ae5bac370e riscv: dts: sophgo: Add initial device tree of Sophgo SRD3-10
Sophgo SG2044 SRD3-10 board bases on Sophgo SG2044 SoC.
This board includes 5 uart ports, 5 pcie x8 slots, 1 1G Ethernet port,
1 microSD slot.

Add initial device tree of this board with uart support.

Link: https://lore.kernel.org/r/20250413223507.46480-11-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
e595fa85db riscv: dts: sopgho: use SOC_PERIPHERAL_IRQ to calculate interrupt number
Since riscv and arm architecture use different interrupt definitions,
use a macro SOC_PERIPHERAL_IRQ mask this difference.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-5-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
a0cd6d17f8 riscv: dts: sophgo: rename header file cv18xx.dtsi to cv180x.dtsi
As the cv18xx.dtsi serves as a common peripheral header for all
riscv cv180x/cv181x/sg200x SoCs, it not cover the entire cv18xx
series as there is cv182x and cv183x. So rename the header file
to make it precise.

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-4-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
0212bd4fad riscv: dts: sophgo: Move riscv cpu definition to a separate file
As sg2000 and sg2002 can boot from an arm a53 core, it is not
suitable to left the riscv cpu definition in the common peripheral
header.

Move the riscv related device into a separate header file, so the
arm subsystem can reuse the common peripheral header.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-3-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
33da812c45 riscv: dts: sophgo: Move all soc specific device into soc dtsi file
Although the cv1800b/cv1812h/sg2000/sg2002 share most peripherals,
some basic peripherals, like clock, pinctrl, clint and plint, are
not shared. These are caused by not only historical reason (plic,
clint), but also the fact the device is not the same (clock, pinctrl).

It is good to override device compatible when the SoC number is small,
but now it is a burden for maintenance, and it is kind of annoyed to
explain why using override. So it is time to move this out of the
common peripheral header.

Move all soc related peripheral device from common peripheral header
to the soc specific header to get rid of most compatible override.

Reviewed-by: Yixun Lan <dlan@gentoo.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-2-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Zixian Zeng
73ab31a8f3 riscv: sophgo: dts: Add spi controller for SG2042
Add spi controllers for SG2042.

SG2042 uses the upstreamed Synopsys DW SPI IP.

Signed-off-by: Zixian Zeng <sycamoremoon376@gmail.com>
Link: https://lore.kernel.org/r/20250425-sfg-spi-v6-3-2dbe7bb46013@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:26 +08:00
Inochi Amaoto
1cb666ec5a riscv: dts: sophgo: sg2042: add pinctrl support
Add pinctrl node and related pin configuration for SG2042 SoC.

Link: https://lore.kernel.org/r/20250211051801.470800-9-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-05-19 06:23:25 +08:00
E Shattow
d50108706a riscv: dts: starfive: jh7110-common: bootph-pre-ram hinting needed by boot loader
Add bootph-pre-ram hinting to jh7110-common.dtsi:
  - i2c5_pins and i2c-pins subnode for connection to eeprom
  - eeprom node
  - qspi flash configuration subnode
  - memory node
  - mmc0 for eMMC
  - mmc1 for SD Card
  - uart0 for serial console

  With this the U-Boot SPL secondary program loader may drop such overrides.

Signed-off-by: E Shattow <e@freeshell.de>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:08:27 +01:00
E Shattow
6359181114 riscv: dts: starfive: jh7110-common: add eeprom node to i2c5
StarFive VisionFive2 and similar JH7110 boards have an eeprom compatible
with Atmel 24c04. Add the node so this may be used with the at24 driver.

Signed-off-by: E Shattow <e@freeshell.de>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:08:27 +01:00
E Shattow
59404dceb3 riscv: dts: starfive: jh7110-common: qspi flash setting read-delay 2 cycles max 100MHz
Use qspi flash read-delay and spi-max-frequency settings compatible with
U-Boot bootloader.

Observations from testing on Pine64 Star64 hardware within U-Boot bootloader
and read-delay=2 are spi-max-frequency less than 49.8MHz fails to write,
corrupt data writes at 25MHz to 49.799999MHz, and valid data writes at
49.8MHz to 100MHz (not tested above 100MHz). No valid spi-max-frequency
was found for 1<read-delay<=3 and corrupt data with read-delay=3.

Looking around the Linux codebase it is common to see read-delay 2 cycles
with spi-max-frequency 100MHz and testing confirms this to work in both
U-Boot and Linux.

Signed-off-by: E Shattow <e@freeshell.de>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:08:27 +01:00
E Shattow
724a6718ce riscv: dts: starfive: jh7110-common: add CPU BUS PERH QSPI clocks to syscrg
Add syscrg clock assignments for CPU, BUS, PERH, and QSPI as required by
boot loader before kernel.

Signed-off-by: E Shattow <e@freeshell.de>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:08:27 +01:00
Icenowy Zheng
71385a893c riscv: dts: starfive: jh7110-common: use macros for MMC0 pins
The pin names of MMC0 pinmux is defined in the pinctrl dt binding header
associated with starfive,jh7110-pinctrl .

Include the header file and use these names instead of raw numbers for
defining MMC0 pinmux.

Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:06:04 +01:00
Sandie Cao
a2e7f6c487 riscv: dts: starfive: fml13v01: enable USB 3.0 port
Add usb_cdns3 and usb0_pins configuration to support super speed USB
device on the FML13V01 board.

Signed-off-by: Sandie Cao <sandie.cao@deepcomputing.io>
Tested-by: Maud Spierings <maud_spierings@hotmail.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-05-15 21:05:45 +01:00
Conor Dooley
1064013303 riscv: dts: renesas: Add specific RZ/Five cache compatible
When the binding was originally written, it was assumed that all
ax45mp-caches had the same properties etc. This has turned out to be
incorrect, as the QiLai SoC has a different number of cache-sets.

Add a specific compatible for the RZ/Five for property enforcement and
in case there turns out to be additional differences between these
implementations of the cache controller.

Acked-by: Ben Zong-You Xie <ben717@andestech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/20250512-sphere-plenty-8ce4cd772745@spud
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2025-05-14 13:30:06 +02:00
Yixun Lan
3aa64cd126
riscv: dts: spacemit: add gpio LED for system heartbeat
Leverage GPIO to support system LED to indicate activity of CPUs.

Link: https://lore.kernel.org/r/20250424-03-k1-gpio-v9-3-eaece8cc5a86@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-05-14 11:43:59 +08:00
Yixun Lan
5933312899
riscv: dts: spacemit: add gpio support for K1 SoC
Populate the GPIO node in the device tree for SpacemiT K1 SoC.
Each of 32 pins will act as one bank and map pins to pinctrl controller.

Link: https://lore.kernel.org/r/20250424-03-k1-gpio-v9-2-eaece8cc5a86@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-05-14 11:43:55 +08:00
Yixun Lan
3b2802c2d6
riscv: dts: spacemit: Acquire clocks for UART
The K1 SoC features two clocks for UART controller, Acquire them
explicitly in the driver. Also it is required to remove the
clock-frequency properties from the uart node, otherwise the new
clock properties are ignored by of_platform_serial_setup() in "8250_of.c".

Reviewed-by: Alex Elder <elder@riscstar.com>
Reviewed-by: Haylen Chu <heylenay@4d2.org>
Link: https://lore.kernel.org/r/20250424-05-dts-clock-v2-2-17d83a705c4c@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-05-14 11:43:51 +08:00
Yixun Lan
c4f3c45a47
riscv: dts: spacemit: Acquire clocks for pinctrl
Pinctrl of K1 SoC need two clocks, so explicitly acquire them.

Reviewed-by: Alex Elder <elder@riscstar.com>
Reviewed-by: Haylen Chu <heylenay@4d2.org>
Link: https://lore.kernel.org/r/20250424-05-dts-clock-v2-1-17d83a705c4c@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-05-14 11:43:47 +08:00
Haylen Chu
a6fafa64b0
riscv: dts: spacemit: Add clock tree for SpacemiT K1
Describe the PLL and system controllers that're capable of generating
clock signals in the devicetree.

Signed-off-by: Haylen Chu <heylenay@4d2.org>
Reviewed-by: Alex Elder <elder@riscstar.com>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20250508111528.10508-2-heylenay@4d2.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-05-14 11:43:43 +08:00
Michal Wilczynski
a4c95b924d riscv: dts: thead: Add device tree VO clock controller
VO clocks reside in a different address space from the AP clocks on the
T-HEAD SoC. Add the device tree node of a clock-controller to handle
VO address space as well.

Reviewed-by: Drew Fustini <drew@pdp7.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Signed-off-by: Drew Fustini <drew@pdp7.com>
2025-05-07 23:38:41 -07:00
Ze Huang
3e6244429b riscv: dts: sophgo: fix DMA data-width configuration for CV18xx
The "snps,data-width" property[1] defines the AXI data width of the DMA
controller as:

    width = 8 × (2^n) bits

(0 = 8 bits, 1 = 16 bits, 2 = 32 bits, ..., 6 = 512 bits)
where "n" is the value of "snps,data-width".

For the CV18xx DMA controller, the correct AXI data width is 32 bits,
corresponding to "snps,data-width = 2".

Test results on Milkv Duo S can be found here [2].

Link: https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/dma/snps%2Cdw-axi-dmac.yaml#L74 [1]
Link: https://gist.github.com/Sutter099/4fa99bb2d89e5af975983124704b3861 [2]

Fixes: 514951a81a ("riscv: dts: sophgo: cv18xx: add DMA controller")
Co-developed-by: Yu Yuan <yu.yuan@sjtu.edu.cn>
Signed-off-by: Yu Yuan <yu.yuan@sjtu.edu.cn>
Signed-off-by: Ze Huang <huangze@whut.edu.cn>
Link: https://lore.kernel.org/r/20250428-duo-dma-config-v1-1-eb6ad836ca42@whut.edu.cn
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
2025-04-30 14:51:43 +08:00
Michal Wilczynski
1b136de08b riscv: dts: thead: Introduce reset controller node
T-HEAD TH1520 SoC requires to put the GPU out of the reset state as part
of the power-up sequence.

Link: https://lore.kernel.org/linux-riscv/81e53e3a-5873-44c7-9070-5596021daa42@samsung.com/
Reviewed-by: Drew Fustini <drew@pdp7.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
[drew: remove hunk that included thead,th1520-reset.h]
Signed-off-by: Drew Fustini <drew@pdp7.com>
2025-04-25 11:43:44 -07:00
Michal Wilczynski
2bae46e3de riscv: dts: thead: Introduce power domain nodes with aon firmware
The DRM Imagination GPU requires a power-domain driver. In the T-HEAD
TH1520 SoC implements power management capabilities through the E902
core, which can be communicated with through the mailbox, using firmware
protocol.

Add AON node, which servers as a power-domain controller.

Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Reviewed-by: Drew Fustini <drew@pdp7.com>
Signed-off-by: Drew Fustini <drew@pdp7.com>
2025-04-14 19:04:44 -07:00
Linus Torvalds
4a1d8ababd RISC-V Patches for the 6.15 Merge Window, Part 1
* The sub-architecture selection Kconfig system has been cleaned up,
   the documentation has been improved, and various detections have been
   fixed.
 * The vector-related extensions dependencies are now validated when
   parsing from device tree and in the DT bindings.
 * Misaligned access probing can be overridden via a kernel command-line
   parameter, along with various fixes to misalign access handling.
 * Support for relocatable !MMU kernels builds.
 * Support for hpge pfnmaps, which should improve TLB utilization.
 * Support for runtime constants, which improves the d_hash()
   performance.
 * Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm.
 * Various fixes, including:
       - We were missing a secondary mmu notifier call when flushing the
 	tlb which is required for IOMMU.
       - Fix ftrace panics by saving the registers as expected by ftrace.
       - Fix a couple of stimecmp usage related to cpu hotplug.
       - purgatory_start is now aligned as per the STVEC requirements.
       - A fix for hugetlb when calculating the size of non-present PTEs.
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Merge tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - The sub-architecture selection Kconfig system has been cleaned up,
   the documentation has been improved, and various detections have been
   fixed

 - The vector-related extensions dependencies are now validated when
   parsing from device tree and in the DT bindings

 - Misaligned access probing can be overridden via a kernel command-line
   parameter, along with various fixes to misalign access handling

 - Support for relocatable !MMU kernels builds

 - Support for hpge pfnmaps, which should improve TLB utilization

 - Support for runtime constants, which improves the d_hash()
   performance

 - Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm

 - Various fixes, including:
      - We were missing a secondary mmu notifier call when flushing the
        tlb which is required for IOMMU
      - Fix ftrace panics by saving the registers as expected by ftrace
      - Fix a couple of stimecmp usage related to cpu hotplug
      - purgatory_start is now aligned as per the STVEC requirements
      - A fix for hugetlb when calculating the size of non-present PTEs

* tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (65 commits)
  riscv: Add norvc after .option arch in runtime const
  riscv: Make sure toolchain supports zba before using zba instructions
  riscv/purgatory: 4B align purgatory_start
  riscv/kexec_file: Handle R_RISCV_64 in purgatory relocator
  selftests: riscv: fix v_exec_initval_nolibc.c
  riscv: Fix hugetlb retrieval of number of ptes in case of !present pte
  riscv: print hartid on bringup
  riscv: Add norvc after .option arch in runtime const
  riscv: Remove CONFIG_PAGE_OFFSET
  riscv: Support CONFIG_RELOCATABLE on riscv32
  asm-generic: Always define Elf_Rel and Elf_Rela
  riscv: Support CONFIG_RELOCATABLE on NOMMU
  riscv: Allow NOMMU kernels to access all of RAM
  riscv: Remove duplicate CONFIG_PAGE_OFFSET definition
  RISC-V: errata: Use medany for relocatable builds
  dt-bindings: riscv: document vector crypto requirements
  dt-bindings: riscv: add vector sub-extension dependencies
  dt-bindings: riscv: d requires f
  RISC-V: add f & d extension validation checks
  RISC-V: add vector crypto extension validation checks
  ...
2025-04-04 09:49:17 -07:00
Linus Torvalds
2f24482304 soc: devicetree updates for 6.15
There is new support for additional on-chip devices on Apple, Mediatek,
 Renesas, Rockchip, Samsung, Google, TI, ST, Nvidia and Amlogic devices.
 
 The Arm Morello reference platform gets a devicetree for booting in
 normal aarch64 mode. The hardware supports experimental CHERI support,
 which requires a modified kernel.
 
 The AMD (formerly Xilinx) Versal NET SoC gets added, this is a combined
 FPGA with Cortex-A78 CPUs in a SoC.
 
 Six new ST STM32MP2 SoC variants are added. Like the earlier STM32MP25,
 the MP211, MP213, MP215, MP231, MP233 and MP235 models are based on one
 or two Cortex-A35 cores but each feature a different set of I/O devices.
 
 Mediatek MT8370 is a minor variation of MT8390 with fewer CPU and
 GPU cores
 
 Apple T2 is the baseboard management controller on earlier Intel CPU
 based Macs, with 16 models now gaining initial support.
 
 All the above come with dts files for the reference boards. In
 addition, these boards are added for the SoCs that are already supported.
 
  - The Milk-V Jupiter board based on SpacemiT K1/M1
 
  - NetCube Systems Kumquat board based on the 32-bit Allwinner V3s SoC
 
  - Three boards based on 32-bit stm32mp1
 
  - 11 distinct board variants from Toradex and one from Variscite,
    all based on i.MX6
 
  - Google Pixel Pro 6 phone based on gs101 (Tensor)
 
  - Three additional variants of the i.MX8MP based "Skov" board
 
  - A second variant of the i.MX95 EVK board
 
  - Two boards based on Renesas SoCs
 
  - Four boards based the Rockchip RK35xx series, plus the RK3588
    "MNT Reform 2" laptop
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Merge tag 'soc-dt-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "There is new support for additional on-chip devices on Apple,
  Mediatek, Renesas, Rockchip, Samsung, Google, TI, ST, Nvidia and
  Amlogic devices.

  The Arm Morello reference platform gets a devicetree for booting in
  normal aarch64 mode. The hardware supports experimental CHERI support,
  which requires a modified kernel.

  The AMD (formerly Xilinx) Versal NET SoC gets added, this is a
  combined FPGA with Cortex-A78 CPUs in a SoC.

  Six new ST STM32MP2 SoC variants are added. Like the earlier
  STM32MP25, the MP211, MP213, MP215, MP231, MP233 and MP235 models are
  based on one or two Cortex-A35 cores but each feature a different set
  of I/O devices.

  Mediatek MT8370 is a minor variation of MT8390 with fewer CPU and GPU
  cores

  Apple T2 is the baseboard management controller on earlier Intel CPU
  based Macs, with 16 models now gaining initial support.

  All the above come with dts files for the reference boards. In
  addition, these boards are added for the SoCs that are already
  supported:

   - The Milk-V Jupiter board based on SpacemiT K1/M1

   - NetCube Systems Kumquat board based on the 32-bit Allwinner V3s SoC

   - Three boards based on 32-bit stm32mp1

   - 11 distinct board variants from Toradex and one from Variscite, all
     based on i.MX6

   - Google Pixel Pro 6 phone based on gs101 (Tensor)

   - Three additional variants of the i.MX8MP based "Skov" board

   - A second variant of the i.MX95 EVK board

   - Two boards based on Renesas SoCs

   - Four boards based the Rockchip RK35xx series, plus the RK3588 'MNT
     Reform 2' laptop"

* tag 'soc-dt-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (538 commits)
  arm64: dts: Add gpio_intc node for Amlogic A5 SoCs
  arm64: dts: Add gpio_intc node for Amlogic A4 SoCs
  arm64: dts: hi3660: Add property for fixing CPUIdle
  arm64: dts: rockchip: remove ethm0_clk0_25m_out from Sige5 gmac0
  arm64: dts: marvell: Use preferred node names for "simple-bus"
  arm64: dts: marvell: Drop unused CP11X_TYPE define
  arm64: dts: marvell: Move arch timer and pmu nodes to top-level
  arm64: dts: rockchip: Fix PWM pinctrl names
  arm64: dts: rockchip: fix RK3576 SCMI clock IDs
  dt-bindings: clock: rk3576: add SCMI clocks
  arm64: dts: rockchip: Fix pcie reset gpio on Orange Pi 5 Max
  arm64: dts: amd/seattle: Drop undocumented "spi-controller" properties
  arm64: dts: amd/seattle: Fix bus, mmc, and ethernet node names
  arm64: dts: amd/seattle: Move and simplify fixed clocks
  arm64: dts: amd/seattle: Base Overdrive B1 on top of B0 version
  arm64: dts: rockchip: Enable HDMI audio output for ArmSoM Sige7
  arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C
  arm64: dts: rockchip: Add SDHCI controller for RK3528
  arm64: dts: rockchip: Remove bluetooth node from rock-3a
  arm64: dts: rockchip: Move rk356x scmi SHMEM to reserved memory
  ...
2025-03-27 09:01:37 -07:00
Linus Torvalds
1a9239bb42 Networking changes for 6.15.
Core & protocols
 ----------------
 
  - Continue Netlink conversions to per-namespace RTNL lock
    (IPv4 routing, routing rules, routing next hops, ARP ioctls).
 
  - Continue extending the use of netdev instance locks. As a driver
    opt-in protect queue operations and (in due course) ethtool
    operations with the instance lock and not RTNL lock.
 
  - Support collecting TCP timestamps (data submitted, sent, acked)
    in BPF, allowing for transparent (to the application) and lower
    overhead tracking of TCP RPC performance.
 
  - Tweak existing networking Rx zero-copy infra to support zero-copy
    Rx via io_uring.
 
  - Optimize MPTCP performance in single subflow mode by 29%.
 
  - Enable GRO on packets which went thru XDP CPU redirect (were queued
    for processing on a different CPU). Improving TCP stream performance
    up to 2x.
 
  - Improve performance of contended connect() by 200% by searching
    for an available 4-tuple under RCU rather than a spin lock.
    Bring an additional 229% improvement by tweaking hash distribution.
 
  - Avoid unconditionally touching sk_tsflags on RX, improving
    performance under UDP flood by as much as 10%.
 
  - Avoid skb_clone() dance in ping_rcv() to improve performance under
    ping flood.
 
  - Avoid FIB lookup in netfilter if socket is available, 20% perf win.
 
  - Rework network device creation (in-kernel) API to more clearly
    identify network namespaces and their roles.
    There are up to 4 namespace roles but we used to have just 2 netns
    pointer arguments, interpreted differently based on context.
 
  - Use sysfs_break_active_protection() instead of trylock to avoid
    deadlocks between unregistering objects and sysfs access.
 
  - Add a new sysctl and sockopt for capping max retransmit timeout
    in TCP.
 
  - Support masking port and DSCP in routing rule matches.
 
  - Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
 
  - Support specifying at what time packet should be sent on AF_XDP
    sockets.
 
  - Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin users.
 
  - Add Netlink YAML spec for WiFi (nl80211) and conntrack.
 
  - Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
    which only need to be exported when IPv6 support is built as a module.
 
  - Age FDB entries based on Rx not Tx traffic in VxLAN, similar
    to normal bridging.
 
  - Allow users to specify source port range for GENEVE tunnels.
 
  - netconsole: allow attaching kernel release, CPU ID and task name
    to messages as metadata
 
 Driver API
 ----------
 
  - Continue rework / fixing of Energy Efficient Ethernet (EEE) across
    the SW layers. Delegate the responsibilities to phylink where possible.
    Improve its handling in phylib.
 
  - Support symmetric OR-XOR RSS hashing algorithm.
 
  - Support tracking and preserving IRQ affinity by NAPI itself.
 
  - Support loopback mode speed selection for interface selftests.
 
 Device drivers
 --------------
 
  - Remove the IBM LCS driver for s390.
 
  - Remove the sb1000 cable modem driver.
 
  - Add support for SFP module access over SMBus.
 
  - Add MCTP transport driver for MCTP-over-USB.
 
  - Enable XDP metadata support in multiple drivers.
 
  - Ethernet high-speed NICs:
    - Broadcom (bnxt):
      - add PCIe TLP Processing Hints (TPH) support for new AMD platforms
      - support dumping RoCE queue state for debug
      - opt into instance locking
    - Intel (100G, ice, idpf):
      - ice: rework MSI-X IRQ management and distribution
      - ice: support for E830 devices
      - iavf: add support for Rx timestamping
      - iavf: opt into instance locking
    - nVidia/Mellanox:
      - mlx4: use page pool memory allocator for Rx
      - mlx5: support for one PTP device per hardware clock
      - mlx5: support for 200Gbps per-lane link modes
      - mlx5: move IPSec policy check after decryption
    - AMD/Solarflare:
      - support FW flashing via devlink
    - Cisco (enic):
      - use page pool memory allocator for Rx
      - enable 32, 64 byte CQEs
      - get max rx/tx ring size from the device
    - Meta (fbnic):
      - support flow steering and RSS configuration
      - report queue stats
      - support TCP segmentation
      - support IRQ coalescing
      - support ring size configuration
    - Marvell/Cavium:
      - support AF_XDP
    - Wangxun:
      - support for PTP clock and timestamping
    - Huawei (hibmcge):
      - checksum offload
      - add more statistics
 
  - Ethernet virtual:
    - VirtIO net:
      - aggressively suppress Tx completions, improve perf by 96% with
        1 CPU and 55% with 2 CPUs
      - expose NAPI to IRQ mapping and persist NAPI settings
    - Google (gve):
      - support XDP in DQO RDA Queue Format
      - opt into instance locking
    - Microsoft vNIC:
      - support BIG TCP
 
  - Ethernet NICs consumer, and embedded:
    - Synopsys (stmmac):
      - cleanup Tx and Tx clock setting and other link-focused cleanups
      - enable SGMII and 2500BASEX mode switching for Intel platforms
      - support Sophgo SG2044
    - Broadcom switches (b53):
      - support for BCM53101
    - TI:
      - iep: add perout configuration support
      - icssg: support XDP
    - Cadence (macb):
      - implement BQL
    - Xilinx (axinet):
      - support dynamic IRQ moderation and changing coalescing at runtime
      - implement BQL
      - report standard stats
    - MediaTek:
      - support phylink managed EEE
    - Intel:
      - igc: don't restart the interface on every XDP program change
    - RealTek (r8169):
      - support reading registers of internal PHYs directly
      - increase max jumbo packet size on RTL8125/RTL8126
    - Airoha:
      - support for RISC-V NPU packet processing unit
      - enable scatter-gather and support MTU up to 9kB
    - Tehuti (tn40xx):
      - support cards with TN4010 MAC and an Aquantia AQR105 PHY
 
  - Ethernet PHYs:
    - support for TJA1102S, TJA1121
    - dp83tg720: add randomized polling intervals for link detection
    - dp83822: support changing the transmit amplitude voltage
    - support for LEDs on 88q2xxx
 
  - CAN:
    - canxl: support Remote Request Substitution bit access
    - flexcan: add S32G2/S32G3 SoC
 
  - WiFi:
    - remove cooked monitor support
    - strict mode for better AP testing
    - basic EPCS support
    - OMI RX bandwidth reduction support
    - batman-adv: add support for jumbo frames
 
  - WiFi drivers:
    - RealTek (rtw88):
      - support RTL8814AE and RTL8814AU
    - RealTek (rtw89):
      - switch using wiphy_lock and wiphy_work
      - add BB context to manipulate two PHY as preparation of MLO
      - improve BT-coexistence mechanism to play A2DP smoothly
    - Intel (iwlwifi):
      - add new iwlmld sub-driver for latest HW/FW combinations
    - MediaTek (mt76):
      - preparation for mt7996 Multi-Link Operation (MLO) support
    - Qualcomm/Atheros (ath12k):
      - continued work on MLO
    - Silabs (wfx):
      - Wake-on-WLAN support
 
  - Bluetooth:
    - add support for skb TX SND/COMPLETION timestamping
    - hci_core: enable buffer flow control for SCO/eSCO
    - coredump: log devcd dumps into the monitor
 
  - Bluetooth drivers:
    - intel: add support to configure TX power
    - nxp: handle bootloader error during cmd5 and cmd7
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Continue Netlink conversions to per-namespace RTNL lock
     (IPv4 routing, routing rules, routing next hops, ARP ioctls)

   - Continue extending the use of netdev instance locks. As a driver
     opt-in protect queue operations and (in due course) ethtool
     operations with the instance lock and not RTNL lock.

   - Support collecting TCP timestamps (data submitted, sent, acked) in
     BPF, allowing for transparent (to the application) and lower
     overhead tracking of TCP RPC performance.

   - Tweak existing networking Rx zero-copy infra to support zero-copy
     Rx via io_uring.

   - Optimize MPTCP performance in single subflow mode by 29%.

   - Enable GRO on packets which went thru XDP CPU redirect (were queued
     for processing on a different CPU). Improving TCP stream
     performance up to 2x.

   - Improve performance of contended connect() by 200% by searching for
     an available 4-tuple under RCU rather than a spin lock. Bring an
     additional 229% improvement by tweaking hash distribution.

   - Avoid unconditionally touching sk_tsflags on RX, improving
     performance under UDP flood by as much as 10%.

   - Avoid skb_clone() dance in ping_rcv() to improve performance under
     ping flood.

   - Avoid FIB lookup in netfilter if socket is available, 20% perf win.

   - Rework network device creation (in-kernel) API to more clearly
     identify network namespaces and their roles. There are up to 4
     namespace roles but we used to have just 2 netns pointer arguments,
     interpreted differently based on context.

   - Use sysfs_break_active_protection() instead of trylock to avoid
     deadlocks between unregistering objects and sysfs access.

   - Add a new sysctl and sockopt for capping max retransmit timeout in
     TCP.

   - Support masking port and DSCP in routing rule matches.

   - Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.

   - Support specifying at what time packet should be sent on AF_XDP
     sockets.

   - Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin
     users.

   - Add Netlink YAML spec for WiFi (nl80211) and conntrack.

   - Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
     which only need to be exported when IPv6 support is built as a
     module.

   - Age FDB entries based on Rx not Tx traffic in VxLAN, similar to
     normal bridging.

   - Allow users to specify source port range for GENEVE tunnels.

   - netconsole: allow attaching kernel release, CPU ID and task name to
     messages as metadata

  Driver API:

   - Continue rework / fixing of Energy Efficient Ethernet (EEE) across
     the SW layers. Delegate the responsibilities to phylink where
     possible. Improve its handling in phylib.

   - Support symmetric OR-XOR RSS hashing algorithm.

   - Support tracking and preserving IRQ affinity by NAPI itself.

   - Support loopback mode speed selection for interface selftests.

  Device drivers:

   - Remove the IBM LCS driver for s390

   - Remove the sb1000 cable modem driver

   - Add support for SFP module access over SMBus

   - Add MCTP transport driver for MCTP-over-USB

   - Enable XDP metadata support in multiple drivers

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - add PCIe TLP Processing Hints (TPH) support for new AMD
           platforms
         - support dumping RoCE queue state for debug
         - opt into instance locking
      - Intel (100G, ice, idpf):
         - ice: rework MSI-X IRQ management and distribution
         - ice: support for E830 devices
         - iavf: add support for Rx timestamping
         - iavf: opt into instance locking
      - nVidia/Mellanox:
         - mlx4: use page pool memory allocator for Rx
         - mlx5: support for one PTP device per hardware clock
         - mlx5: support for 200Gbps per-lane link modes
         - mlx5: move IPSec policy check after decryption
      - AMD/Solarflare:
         - support FW flashing via devlink
      - Cisco (enic):
         - use page pool memory allocator for Rx
         - enable 32, 64 byte CQEs
         - get max rx/tx ring size from the device
      - Meta (fbnic):
         - support flow steering and RSS configuration
         - report queue stats
         - support TCP segmentation
         - support IRQ coalescing
         - support ring size configuration
      - Marvell/Cavium:
         - support AF_XDP
      - Wangxun:
         - support for PTP clock and timestamping
      - Huawei (hibmcge):
         - checksum offload
         - add more statistics

   - Ethernet virtual:
      - VirtIO net:
         - aggressively suppress Tx completions, improve perf by 96%
           with 1 CPU and 55% with 2 CPUs
         - expose NAPI to IRQ mapping and persist NAPI settings
      - Google (gve):
         - support XDP in DQO RDA Queue Format
         - opt into instance locking
      - Microsoft vNIC:
         - support BIG TCP

   - Ethernet NICs consumer, and embedded:
      - Synopsys (stmmac):
         - cleanup Tx and Tx clock setting and other link-focused
           cleanups
         - enable SGMII and 2500BASEX mode switching for Intel platforms
         - support Sophgo SG2044
      - Broadcom switches (b53):
         - support for BCM53101
      - TI:
         - iep: add perout configuration support
         - icssg: support XDP
      - Cadence (macb):
         - implement BQL
      - Xilinx (axinet):
         - support dynamic IRQ moderation and changing coalescing at
           runtime
         - implement BQL
         - report standard stats
      - MediaTek:
         - support phylink managed EEE
      - Intel:
         - igc: don't restart the interface on every XDP program change
      - RealTek (r8169):
         - support reading registers of internal PHYs directly
         - increase max jumbo packet size on RTL8125/RTL8126
      - Airoha:
         - support for RISC-V NPU packet processing unit
         - enable scatter-gather and support MTU up to 9kB
      - Tehuti (tn40xx):
         - support cards with TN4010 MAC and an Aquantia AQR105 PHY

   - Ethernet PHYs:
      - support for TJA1102S, TJA1121
      - dp83tg720: add randomized polling intervals for link detection
      - dp83822: support changing the transmit amplitude voltage
      - support for LEDs on 88q2xxx

   - CAN:
      - canxl: support Remote Request Substitution bit access
      - flexcan: add S32G2/S32G3 SoC

   - WiFi:
      - remove cooked monitor support
      - strict mode for better AP testing
      - basic EPCS support
      - OMI RX bandwidth reduction support
      - batman-adv: add support for jumbo frames

   - WiFi drivers:
      - RealTek (rtw88):
         - support RTL8814AE and RTL8814AU
      - RealTek (rtw89):
         - switch using wiphy_lock and wiphy_work
         - add BB context to manipulate two PHY as preparation of MLO
         - improve BT-coexistence mechanism to play A2DP smoothly
      - Intel (iwlwifi):
         - add new iwlmld sub-driver for latest HW/FW combinations
      - MediaTek (mt76):
         - preparation for mt7996 Multi-Link Operation (MLO) support
      - Qualcomm/Atheros (ath12k):
         - continued work on MLO
      - Silabs (wfx):
         - Wake-on-WLAN support

   - Bluetooth:
      - add support for skb TX SND/COMPLETION timestamping
      - hci_core: enable buffer flow control for SCO/eSCO
      - coredump: log devcd dumps into the monitor

   - Bluetooth drivers:
      - intel: add support to configure TX power
      - nxp: handle bootloader error during cmd5 and cmd7"

* tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1681 commits)
  unix: fix up for "apparmor: add fine grained af_unix mediation"
  mctp: Fix incorrect tx flow invalidation condition in mctp-i2c
  net: usb: asix: ax88772: Increase phy_name size
  net: phy: Introduce PHY_ID_SIZE — minimum size for PHY ID string
  net: libwx: fix Tx L4 checksum
  net: libwx: fix Tx descriptor content for some tunnel packets
  atm: Fix NULL pointer dereference
  net: tn40xx: add pci-id of the aqr105-based Tehuti TN4010 cards
  net: tn40xx: prepare tn40xx driver to find phy of the TN9510 card
  net: tn40xx: create swnode for mdio and aqr105 phy and add to mdiobus
  net: phy: aquantia: add essential functions to aqr105 driver
  net: phy: aquantia: search for firmware-name in fwnode
  net: phy: aquantia: add probe function to aqr105 for firmware loading
  net: phy: Add swnode support to mdiobus_scan
  gve: add XDP DROP and PASS support for DQ
  gve: update XDP allocation path support RX buffer posting
  gve: merge packet buffer size fields
  gve: update GQ RX to use buf_size
  gve: introduce config-based allocation for XDP
  gve: remove xdp_xsk_done and xdp_xsk_wakeup statistics
  ...
2025-03-26 21:48:21 -07:00
Linus Torvalds
0f40464674 Updates for interrupt chip drivers:
- Support for hard indices on RISC-V. The hart index identifies a hart
     (core) within a specific interrupt domain in RISC-V's Priviledged
     Architecture.
 
   - Rework of the RISC-V MSI driver.
 
     This moves the driver over to the generic MSI library and solves the
     affinity problem of unmaskable PCI/MSI controllers. Unmaskable PCI/MSI
     controllers are prone to lose interrupts when the MSI message is
     updated to change the affinity because the message write consists of
     three 32-bit subsequent writes, which update address and data. As these
     writes are non-atomic versus the device raising an interrupt, the
     device can observe a half written update and issue an interrupt on the
     wrong vector. This is mitiated by a carefully orchestrated step by step
     update and the observation of an eventually pending interrupt on the
     CPU which issues the update. The algorithm follows the well established
     method of the X86 MSI driver.
 
   - A new driver for the RISC-V Sophgo SG2042 MSI controller
 
   - Overhaul of the Renesas RZQ2L driver.
 
     Simplification of the probe function by using devm_*() mechanisms,
     which avoid the endless list of error prone gotos in the failure paths.
 
   - Expand the Renesas RZV2H driver to support RZ/G3E SoCs
 
   - A workaround for Rockchip 3568002 erratum in the GIC-V3 driver to
     ensure that the addressing is limited to the lower 32-bit of the
     physical address space.
 
   - Add support for the Allwinner AS23 NMI controller
 
   - Expand the IMX irqsteer driver to handle up to 960 input interrupts
 
   - The usual small updates, cleanups and device tree changes.
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Merge tag 'irq-drivers-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq driver updates from Thomas Gleixner:

 - Support for hard indices on RISC-V. The hart index identifies a hart
   (core) within a specific interrupt domain in RISC-V's Priviledged
   Architecture.

 - Rework of the RISC-V MSI driver

   This moves the driver over to the generic MSI library and solves the
   affinity problem of unmaskable PCI/MSI controllers. Unmaskable
   PCI/MSI controllers are prone to lose interrupts when the MSI message
   is updated to change the affinity because the message write consists
   of three 32-bit subsequent writes, which update address and data. As
   these writes are non-atomic versus the device raising an interrupt,
   the device can observe a half written update and issue an interrupt
   on the wrong vector. This is mitiated by a carefully orchestrated
   step by step update and the observation of an eventually pending
   interrupt on the CPU which issues the update. The algorithm follows
   the well established method of the X86 MSI driver.

 - A new driver for the RISC-V Sophgo SG2042 MSI controller

 - Overhaul of the Renesas RZQ2L driver

   Simplification of the probe function by using devm_*() mechanisms,
   which avoid the endless list of error prone gotos in the failure
   paths.

 - Expand the Renesas RZV2H driver to support RZ/G3E SoCs

 - A workaround for Rockchip 3568002 erratum in the GIC-V3 driver to
   ensure that the addressing is limited to the lower 32-bit of the
   physical address space.

 - Add support for the Allwinner AS23 NMI controller

 - Expand the IMX irqsteer driver to handle up to 960 input interrupts

 - The usual small updates, cleanups and device tree changes

* tag 'irq-drivers-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
  irqchip/imx-irqsteer: Support up to 960 input interrupts
  irqchip/sunxi-nmi: Support Allwinner A523 NMI controller
  dt-bindings: irq: sun7i-nmi: Document the Allwinner A523 NMI controller
  irqchip/davinci-cp-intc: Remove public header
  irqchip/renesas-rzv2h: Add RZ/G3E support
  irqchip/renesas-rzv2h: Update macros ICU_TSSR_TSSEL_{MASK,PREP}
  irqchip/renesas-rzv2h: Update TSSR_TIEN macro
  irqchip/renesas-rzv2h: Add field_width to struct rzv2h_hw_info
  irqchip/renesas-rzv2h: Add max_tssel to struct rzv2h_hw_info
  irqchip/renesas-rzv2h: Add struct rzv2h_hw_info with t_offs variable
  irqchip/renesas-rzv2h: Use devm_pm_runtime_enable()
  irqchip/renesas-rzv2h: Use devm_reset_control_get_exclusive_deasserted()
  irqchip/renesas-rzv2h: Simplify rzv2h_icu_init()
  irqchip/renesas-rzv2h: Drop irqchip from struct rzv2h_icu_priv
  irqchip/renesas-rzv2h: Fix wrong variable usage in rzv2h_tint_set_type()
  dt-bindings: interrupt-controller: renesas,rzv2h-icu: Document RZ/G3E SoC
  riscv: sophgo: dts: Add msi controller for SG2042
  irqchip: Add the Sophgo SG2042 MSI interrupt controller
  dt-bindings: interrupt-controller: Add Sophgo SG2042 MSI
  arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS instead of MBI
  ...
2025-03-25 09:54:36 -07:00
Paolo Abeni
f491593394 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.14-rc8).

Conflict:

tools/testing/selftests/net/Makefile
  03544faad7 ("selftest: net: add proc_net_pktgen")
  3ed61b8938 ("selftests: net: test for lwtunnel dst ref loops")

tools/testing/selftests/net/config:
  85cb3711ac ("selftests: net: Add test cases for link and peer netns")
  3ed61b8938 ("selftests: net: test for lwtunnel dst ref loops")

Adjacent commits:

tools/testing/selftests/net/Makefile
  c935af429e ("selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY")
  355d940f4d ("Revert "selftests: Add IPv6 link-local address generation tests for GRE devices."")

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-20 21:38:01 +01:00
Arnd Bergmann
519df17cb0 RISC-V Devicetrees for v6.15
Starfive:
 All changes for jh7110-based boards including the removal of a dac
 that does not exist and the addition of usb3 support on the star64 board
 and pcie on the framework mainboard.
 
 Microchip:
 Update pcie reg properties to fix a mistake originally describing them.
 Here rather than in fixes, since the driver maintains support for the
 old format.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-dt-for-v6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/dt

RISC-V Devicetrees for v6.15

Starfive:
All changes for jh7110-based boards including the removal of a dac
that does not exist and the addition of usb3 support on the star64 board
and pcie on the framework mainboard.

Microchip:
Update pcie reg properties to fix a mistake originally describing them.
Here rather than in fixes, since the driver maintains support for the
old format.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-dt-for-v6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  riscv: dts: starfive: jh7110-pine64-star64: enable USB 3.0 port
  riscv: dts: starfive: jh7110: pciephy0 USB 3.0 configuration registers
  riscv: dts: starfive: fml13v01: enable pcie1
  riscv: dts: starfive: remove non-existent dac from jh7110
  riscv: dts: starfive: Unify regulator naming scheme
  riscv: dts: microchip: update pcie reg properties to new format

Link: https://lore.kernel.org/r/20250318-favorite-presuming-bf2fcf55bf6a@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-03-19 22:15:12 +01:00
Arnd Bergmann
43adf498e9 RISC-V Devicetrees for v6.15
Sophgo:
 Add pwm controller support for SG2042.
 Add pwm-fan & cooling maps for Milk-V Pioneer.
 Updated MAINTAINERS info for SOPHGO DEVICETREES and DRIVERS.
 
 Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
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Merge tag 'riscv-sophgo-dt-for-v6.15' of https://github.com/sophgo/linux into soc/dt

RISC-V Devicetrees for v6.15

Sophgo:
Add pwm controller support for SG2042.
Add pwm-fan & cooling maps for Milk-V Pioneer.
Updated MAINTAINERS info for SOPHGO DEVICETREES and DRIVERS.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>

* tag 'riscv-sophgo-dt-for-v6.15' of https://github.com/sophgo/linux:
  riscv: sophgo: dts: add cooling maps for Milk-V Pioneer
  riscv: sophgo: dts: add pwm-fan for Milk-V Pioneer
  MAINTAINERS: update info for SOPHGO DEVICETREES and DRIVERS
  riscv: sophgo: dts: add pwm controller for SG2042 SoC

Link: https://lore.kernel.org/r/PN0PR01MB10393CEC71B623E0A779E7393FEDF2@PN0PR01MB10393.INDPRD01.PROD.OUTLOOK.COM
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2025-03-19 21:50:17 +01:00
Russell King (Oracle)
637af286f9 riscv: dts: starfive: remove "snps,en-tx-lpi-clockgating" property
Whether the MII transmit clock can be stopped is primarily a property
of the PHY (there is a capability bit that should be checked first.)
Whether the MAC is capable of stopping the transmit clock is a separate
issue, but this is already handled by the core DesignWare MAC code.

As commit "net: stmmac: starfive: use PHY capability for TX clock stop"
adds the flag to use the PHY capability, remove the DT property that is
now unecessary.

Cc: Samin Guo <samin.guo@starfivetech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tsIU5-005vGR-4c@rmk-PC.armlinux.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-19 18:06:32 +01:00
Masahiro Yamada
82e81b8950
riscv: migrate to the generic rule for built-in DTB
Commit 654102df2a ("kbuild: add generic support for built-in boot
DTBs") introduced generic support for built-in DTBs.

Select GENERIC_BUILTIN_DTB when built-in DTB support is enabled.

To keep consistency across architectures, this commit also renames
CONFIG_BUILTIN_DTB_SOURCE to CONFIG_BUILTIN_DTB_NAME.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20241222000836.2578171-1-masahiroy@kernel.org
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
2025-03-18 13:30:13 +00:00
Chen Wang
0edaa4593e riscv: sophgo: dts: Add msi controller for SG2042
Add msi-controller node to dts for SG2042.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/f47c6c3f0309a543d495cb088d6c8c5750bb5647.1740535748.git.unicorn_wang@outlook.com
2025-02-26 08:41:28 +01:00
E Shattow
38818f7c9c riscv: dts: starfive: jh7110-pine64-star64: enable USB 3.0 port
One of four USB-A ports on the Pine64 Star64 is USB 3.0 which requires to
disable PCIE0 and change the mode of PCIE0 PHY to USB3.0 operation. The
remaining three USB-A ports are USB 2.0 with the USB0 PHY and do not
conflict with any of PCIE0 or PCIE1. PCIE1 (1-lane) routes to a PCIe X4
connector.

Signed-off-by: E Shattow <e@freeshell.de>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-18 16:32:25 +00:00
E Shattow
65e8b99126 riscv: dts: starfive: jh7110: pciephy0 USB 3.0 configuration registers
StarFive JH7110 contains a Cadence USB2.0+USB3.0 controller IP block that
may exclusively use pciephy0 for USB3.0 connectivity. Add the register
offsets for the driver to enable/disable USB3.0 on pciephy0.

Signed-off-by: E Shattow <e@freeshell.de>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-18 16:32:24 +00:00
Sandie Cao
57b5369f36 riscv: dts: starfive: fml13v01: enable pcie1
Starfive Soc common defines GPIO28 as pcie1 reset, GPIO21 as pcie1 wakeup;
But the FML13V01 board uses GPIO21 as pcie1 reset, GPIO28 as pcie1 wakeup;
redefine pcie1 gpio and enable pcie1 for pcie based Wi-Fi.

Signed-off-by: Sandie Cao <sandie.cao@deepcomputing.io>
Tested-by: Maud Spierings <maud_spierings@hotmail.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-18 16:28:33 +00:00
Conor Dooley
4bdea6e339 riscv: dts: starfive: remove non-existent dac from jh7110
The jh7110 boards do not have a Rohm DAC on them as far as I
can tell, and they certainly do not have a dh2228fv, as this device does
not actually exist! Remove the dac nodes from the devicetrees as it is
not acceptable to pretend to have a device on a board in order to bind
the spidev driver in Linux.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-18 16:27:53 +00:00
Chen Wang
f047a9285f riscv: sophgo: dts: add cooling maps for Milk-V Pioneer
The normal operating temperature range of SG2042 is -20 degrees
Celsius ~ 85 degrees Celsius.

Simultaneously monitor soc temperature and board temperature to
improve redundancy and safety.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/5a36a2784d97ed7b1e06777cb0c3c14fe9185e99.1739351437.git.unicorn_wang@outlook.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
2025-02-18 10:11:37 +08:00
Chen Wang
62cdf0a06d riscv: sophgo: dts: add pwm-fan for Milk-V Pioneer
Milk-V Pioneer uses fan as cooling-device, and speed of the fan is
controlled by the first channel of pwm controller of SG2042.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/dd23362328f77dd91aa9354848bbb0abad0f554b.1739351437.git.unicorn_wang@outlook.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
2025-02-18 10:11:37 +08:00
Javier Martinez Canillas
5b90a3d609
riscv: dts: spacemit: Add Milk-V Jupiter board device tree
Add initial support for the Milk-V Jupiter board [1], which is a Mini ITX
computer based on the SpacemiT K1/M1 Octa-Core X60 64-bit RISC-V SoC [2].

There are two variant for this board, one using the K1 chip and another
using the M1 chip. The main difference is that the M1 can run at a higher
frequency than the K1, thanks to its packaging.

For now, only a DTS for the K1 variant is added since there isn't support
yet for the X60 cores operating performance and thermal trip points.

The support is minimal, but at least allows to boot into a serial console.

Link: https://milkv.io/jupiter [1]
Link: https://www.spacemit.com/en/key-stone-k1 [2]
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20250214151700.666544-3-javierm@redhat.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
2025-02-17 21:11:50 +08:00
Shengyu Qu
3d20e619c9 riscv: dts: starfive: Unify regulator naming scheme
Currently, there are 3 regulators defined in JH7110's common device tree,
but regulator names are mixed with "-" and "_". So unify them to "_",
which is more often to be seen in other dts files.

Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-12 08:14:16 +00:00
Chen Wang
255f83ba5c riscv: sophgo: dts: add pwm controller for SG2042 SoC
SG2042 has one PWM controller, which has 4 pwm output channels.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/f376e16c0ee0cdac51bb91421d78defc0601627a.1738737617.git.unicorn_wang@outlook.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
2025-02-08 20:26:49 +08:00
E Shattow
1b133129ad riscv: dts: starfive: Fix a typo in StarFive JH7110 pin function definitions
Fix a typo in StarFive JH7110 pin function definitions for GPOUT_SYS_SDIO1_DATA4

Fixes: e22f09e598 ("riscv: dts: starfive: Add StarFive JH7110 pin function definitions")
Signed-off-by: E Shattow <e@freeshell.de>
Acked-by: Hal Feng <hal.feng@starfivetech.com>
CC: stable@vger.kernel.org
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2025-02-04 20:31:30 +00:00
Conor Dooley
9b181f4a95 riscv: dts: microchip: update pcie reg properties to new format
The existing PolarFire SoC devicetrees all use root port instance 1,
update the reg properties in PCIe nodes to use the new format that
specifies the instance in use. Failing to do so would still work but
produces warnings:
mpfs-icicle-kit.dtb: pcie@3000000000: reg: [[48, 0, 0, 134217728], [0, 1124073472, 0, 65536]] is too short
mpfs-icicle-kit.dtb: pcie@3000000000: reg-names: ['cfg', 'apb'] is too short

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
CC: Conor Dooley <conor@kernel.org>
CC: Daire McNamara <daire.mcnamara@microchip.com>
CC: valentina.fernandezalanis@microchip.com
CC: Rob Herring <robh@kernel.org>
CC: Krzysztof Kozlowski <krzk+dt@kernel.org>
CC: linux-riscv@lists.infradead.org
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
2025-02-04 20:28:06 +00:00