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arm64: zynqmp: Enable AMS on SOM and other zcu10x boards

Browse source 
AMS is used for monitoring system. Used for measuring voltages and
especially temperatures. Origin interface is IIO but via iio-hwmon it can
be moved to hwmon framework too (done for SOM and zcu100).

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/e1e1621ac1cee7f36ef20606bb3795e130de9609.1683034376.git.michal.simek@amd.com
This commit is contained in:
Michal Simek 2023-05-02 15:35:49 +02:00
parent 6d1a2bea24
commit 255118de76
5 changed files with 79 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
View file

@ -76,6 +76,20 @@
default-state = "on";
};
};
ams {
compatible = "iio-hwmon";
io-channels = <&xilinx_ams 0>, <&xilinx_ams 1>, <&xilinx_ams 2>,
<&xilinx_ams 3>, <&xilinx_ams 4>, <&xilinx_ams 5>,
<&xilinx_ams 6>, <&xilinx_ams 7>, <&xilinx_ams 8>,
<&xilinx_ams 9>, <&xilinx_ams 10>, <&xilinx_ams 11>,
<&xilinx_ams 12>, <&xilinx_ams 13>, <&xilinx_ams 14>,
<&xilinx_ams 15>, <&xilinx_ams 16>, <&xilinx_ams 17>,
<&xilinx_ams 18>, <&xilinx_ams 19>, <&xilinx_ams 20>,
<&xilinx_ams 21>, <&xilinx_ams 22>, <&xilinx_ams 23>,
<&xilinx_ams 24>, <&xilinx_ams 25>, <&xilinx_ams 26>,
<&xilinx_ams 27>, <&xilinx_ams 28>, <&xilinx_ams 29>;
};
};
&modepin_gpio {
@ -320,6 +334,18 @@
"", "", "", ""; /* 170 - 173 */
};
&xilinx_ams {
status = "okay";
};
&ams_ps {
status = "okay";
};
&ams_pl {
status = "okay";
};
&zynqmp_dpsub {
status = "okay";
};

17
arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
View file

@ -58,6 +58,15 @@
};
};
iio-hwmon {
compatible = "iio-hwmon";
io-channels = <&xilinx_ams 0>, <&xilinx_ams 1>, <&xilinx_ams 2>,
<&xilinx_ams 3>, <&xilinx_ams 4>, <&xilinx_ams 5>,
<&xilinx_ams 6>, <&xilinx_ams 7>, <&xilinx_ams 8>,
<&xilinx_ams 9>, <&xilinx_ams 10>,
<&xilinx_ams 11>, <&xilinx_ams 12>;
};
leds {
compatible = "gpio-leds";
led-ds2 {
@ -574,6 +583,14 @@
status = "okay";
};
&xilinx_ams {
status = "okay";
};
&ams_ps {
status = "okay";
};
&zynqmp_dpdma {
status = "okay";
};

12
arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
View file

@ -1017,6 +1017,18 @@
status = "okay";
};
&xilinx_ams {
status = "okay";
};
&ams_ps {
status = "okay";
};
&ams_pl {
status = "okay";
};
&zynqmp_dpdma {
status = "okay";
};

12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
View file

@ -501,6 +501,18 @@
status = "okay";
};
&xilinx_ams {
status = "okay";
};
&ams_ps {
status = "okay";
};
&ams_pl {
status = "okay";
};
&zynqmp_dpdma {
status = "okay";
};

12
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
View file

@ -513,6 +513,18 @@
status = "okay";
};
&xilinx_ams {
status = "okay";
};
&ams_ps {
status = "okay";
};
&ams_pl {
status = "okay";
};
&zynqmp_dpdma {
status = "okay";
};