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Message-ID: <0c3b4861-43d9-f1b6-68d8-f55943fdf1d4@monstr.eu>
Date: Tue, 16 May 2023 13:10:11 +0200
From: Michal Simek <monstr@...str.eu>
To: Michal Simek <michal.simek@....com>, linux-kernel@...r.kernel.org,
michal.simek@...inx.com, git@...inx.com
Cc: Amit Kumar Mahapatra <amit.kumar-mahapatra@...inx.com>,
Ashok Reddy Soma <ashok.reddy.soma@...inx.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Parth Gajjar <parth.gajjar@....com>,
Rob Herring <robh+dt@...nel.org>,
Srinivas Neeli <srinivas.neeli@...inx.com>,
Vishal Sagar <vishal.sagar@....com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 21/23] arm64: zynqmp: Enable AMS on SOM and other zcu10x
boards
On 5/2/23 15:35, Michal Simek wrote:
> 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@....com>
> ---
>
> .../boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 26 +++++++++++++++++++
> .../boot/dts/xilinx/zynqmp-zcu100-revC.dts | 17 ++++++++++++
> .../boot/dts/xilinx/zynqmp-zcu102-revA.dts | 12 +++++++++
> .../boot/dts/xilinx/zynqmp-zcu104-revA.dts | 12 +++++++++
> .../boot/dts/xilinx/zynqmp-zcu104-revC.dts | 12 +++++++++
> 5 files changed, 79 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> index e284979fd7b1..78ff6a9b3144 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> @@ -76,6 +76,20 @@ ds36-led {
> 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 {
> @@ -327,6 +341,18 @@ &gpio {
> "", "", "", ""; /* 170 - 173 */
> };
>
> +&xilinx_ams {
> + status = "okay";
> +};
> +
> +&ams_ps {
> + status = "okay";
> +};
> +
> +&ams_pl {
> + status = "okay";
> +};
> +
> &zynqmp_dpsub {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> index c99abb99efcb..c8be41d77cb9 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> @@ -59,6 +59,15 @@ switch-4 {
> };
> };
>
> + 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 {
> @@ -581,6 +590,14 @@ &watchdog0 {
> status = "okay";
> };
>
> +&xilinx_ams {
> + status = "okay";
> +};
> +
> +&ams_ps {
> + status = "okay";
> +};
> +
> &zynqmp_dpdma {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> index 5b6403865541..b2e1f3581f6b 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> @@ -1027,6 +1027,18 @@ &watchdog0 {
> status = "okay";
> };
>
> +&xilinx_ams {
> + status = "okay";
> +};
> +
> +&ams_ps {
> + status = "okay";
> +};
> +
> +&ams_pl {
> + status = "okay";
> +};
> +
> &zynqmp_dpdma {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> index a74a2061431a..1f30c37c2e03 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> @@ -511,6 +511,18 @@ &watchdog0 {
> status = "okay";
> };
>
> +&xilinx_ams {
> + status = "okay";
> +};
> +
> +&ams_ps {
> + status = "okay";
> +};
> +
> +&ams_pl {
> + status = "okay";
> +};
> +
> &zynqmp_dpdma {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> index 73972d83ed4d..474744278b97 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> @@ -523,6 +523,18 @@ &watchdog0 {
> status = "okay";
> };
>
> +&xilinx_ams {
> + status = "okay";
> +};
> +
> +&ams_ps {
> + status = "okay";
> +};
> +
> +&ams_pl {
> + status = "okay";
> +};
> +
> &zynqmp_dpdma {
> status = "okay";
> };
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs
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