mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-18 22:14:16 +00:00
d32552307b
LicheeRV Nano B [1] is an embedded development platform based on the SOPHGO SG2002 chip, the B(ase) version is deprived of Wifi/Bluetooth and Ethernet. Add only support for UART and SDHCI. Link: https://wiki.sipeed.com/hardware/en/lichee/RV_Nano/1_intro.html [1] Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> Reviewed-by: Inochi Amaoto <inochiama@gmail.com> Link: https://lore.kernel.org/r/20241010-sg2002-v5-2-a0f2e582b932@bootlin.com Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
95 lines
1.7 KiB
Text
95 lines
1.7 KiB
Text
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
|
|
/*
|
|
* Copyright (C) 2024 Thomas Bonnefille <thomas.bonnefille@bootlin.com>
|
|
*/
|
|
|
|
/dts-v1/;
|
|
|
|
#include "sg2002.dtsi"
|
|
|
|
/ {
|
|
model = "LicheeRV Nano B";
|
|
compatible = "sipeed,licheerv-nano-b", "sipeed,licheerv-nano", "sophgo,sg2002";
|
|
|
|
aliases {
|
|
gpio0 = &gpio0;
|
|
gpio1 = &gpio1;
|
|
gpio2 = &gpio2;
|
|
gpio3 = &gpio3;
|
|
serial0 = &uart0;
|
|
serial1 = &uart1;
|
|
serial2 = &uart2;
|
|
serial3 = &uart3;
|
|
serial4 = &uart4;
|
|
};
|
|
|
|
chosen {
|
|
stdout-path = "serial0:115200n8";
|
|
};
|
|
};
|
|
|
|
&osc {
|
|
clock-frequency = <25000000>;
|
|
};
|
|
|
|
&pinctrl {
|
|
uart0_cfg: uart0-cfg {
|
|
uart0-pins {
|
|
pinmux = <PINMUX(PIN_UART0_TX, 0)>,
|
|
<PINMUX(PIN_UART0_RX, 0)>;
|
|
bias-pull-up;
|
|
drive-strength-microamp = <10800>;
|
|
power-source = <3300>;
|
|
};
|
|
};
|
|
|
|
sdhci0_cfg: sdhci0-cfg {
|
|
sdhci0-clk-pins {
|
|
pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
|
|
bias-pull-up;
|
|
drive-strength-microamp = <16100>;
|
|
power-source = <3300>;
|
|
};
|
|
|
|
sdhci0-cmd-pins {
|
|
pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
|
|
bias-pull-up;
|
|
drive-strength-microamp = <10800>;
|
|
power-source = <3300>;
|
|
};
|
|
|
|
sdhci0-data-pins {
|
|
pinmux = <PINMUX(PIN_SD0_D0, 0)>,
|
|
<PINMUX(PIN_SD0_D1, 0)>,
|
|
<PINMUX(PIN_SD0_D2, 0)>,
|
|
<PINMUX(PIN_SD0_D3, 0)>;
|
|
bias-pull-up;
|
|
drive-strength-microamp = <10800>;
|
|
power-source = <3300>;
|
|
};
|
|
|
|
sdhci0-cd-pins {
|
|
pinmux = <PINMUX(PIN_SD0_CD, 0)>;
|
|
bias-pull-up;
|
|
drive-strength-microamp = <10800>;
|
|
power-source = <3300>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&sdhci0 {
|
|
pinctrl-0 = <&sdhci0_cfg>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
bus-width = <4>;
|
|
no-1-8-v;
|
|
no-mmc;
|
|
no-sdio;
|
|
disable-wp;
|
|
};
|
|
|
|
&uart0 {
|
|
pinctrl-0 = <&uart0_cfg>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
};
|