linux-kernel - Re: [PATCH 15/23] arm64: zynqmp: Add pinctrl emmc description to SM-K26

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Message-ID: <1f1c83ea-7fc8-fa81-371a-a78c910b8a5e@monstr.eu>
Date:   Tue, 16 May 2023 13:08:27 +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>,
        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 15/23] arm64: zynqmp: Add pinctrl emmc description to
 SM-K26



On 5/2/23 15:35, Michal Simek wrote:
> Production SOM has emmc on it and make sense to describe pin description to
> be able use EMMC if it is not configured via psu_init.
> (Still some regs are not handled but this is one step in that direction)
> 
> Signed-off-by: Michal Simek <michal.simek@....com>
> ---
> 
>   .../boot/dts/xilinx/zynqmp-sm-k26-revA.dts    | 20 +++++++++++++++++++
>   1 file changed, 20 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 c206021cccf7..e284979fd7b1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> @@ -14,6 +14,7 @@
>   #include <dt-bindings/input/input.h>
>   #include <dt-bindings/gpio/gpio.h>
>   #include <dt-bindings/phy/phy.h>
> +#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
>   
>   / {
>   	model = "ZynqMP SM-K26 Rev1/B/A";
> @@ -85,6 +86,23 @@ &uart1 { /* MIO36/MIO37 */
>   	status = "okay";
>   };
>   
> +&pinctrl0 {
> +	status = "okay";
> +	pinctrl_sdhci0_default: sdhci0-default {
> +		conf {
> +			groups = "sdio0_0_grp";
> +			slew-rate = <SLEW_RATE_SLOW>;
> +			power-source = <IO_STANDARD_LVCMOS18>;
> +			bias-disable;
> +		};
> +
> +		mux {
> +			groups = "sdio0_0_grp";
> +			function = "sdio0";
> +		};
> +	};
> +};
> +
>   &qspi { /* MIO 0-5 - U143 */
>   	status = "okay";
>   	spi_flash: flash@0 { /* MT25QU512A */
> @@ -189,6 +207,8 @@ partition@...0000 {
>   
>   &sdhci0 { /* MIO13-23 - 16GB emmc MTFC16GAPALBH-IT - U133A */
>   	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_sdhci0_default>;
>   	non-removable;
>   	disable-wp;
>   	bus-width = <8>;

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