linux-kernel - Re: [PATCH] arm64: tegra: Add Tegra234 SDMMC1 device tree node

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Message-ID: <80d046b9-ff8c-58dc-d149-e984d509fe5a@linaro.org>
Date:   Fri, 7 Oct 2022 14:33:57 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Prathamesh Shete <pshete@...dia.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, thierry.reding@...il.com,
        jonathanh@...dia.com, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     smangipudi@...dia.com, kyarlagadda@...dia.com, anrao@...dia.com
Subject: Re: [PATCH] arm64: tegra: Add Tegra234 SDMMC1 device tree node

On 07/10/2022 12:26, Prathamesh Shete wrote:
> Add device tree node for Tegra234 SDMMC1 instance.
> Add and enable SD card instance in device tree.
> 
> Signed-off-by: Prathamesh Shete <pshete@...dia.com>
> ---
>  .../boot/dts/nvidia/tegra234-p3701-0000.dtsi  |  7 +++
>  arch/arm64/boot/dts/nvidia/tegra234.dtsi      | 59 +++++++++++++++++++
>  2 files changed, 66 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> index 9e4d72cfa69f..fe52810e5b9d 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> @@ -55,6 +55,13 @@
>  			};
>  		};
>  
> +		mmc@...0000 {
> +			status = "okay";
> +			bus-width = <4>;
> +			cd-gpios = <&gpio TEGRA234_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
> +			disable-wp;
> +		};
> +
>  		mmc@...0000 {
>  			status = "okay";
>  			bus-width = <8>;
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> index 0170bfa8a467..87f6b8be79a5 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
> @@ -7,6 +7,7 @@
>  #include <dt-bindings/memory/tegra234-mc.h>
>  #include <dt-bindings/power/tegra234-powergate.h>
>  #include <dt-bindings/reset/tegra234-reset.h>
> +#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
>  
>  / {
>  	compatible = "nvidia,tegra234";
> @@ -895,6 +896,45 @@
>  			status = "disabled";
>  		};
>  
> +		mmc@...0000 {
> +			compatible = "nvidia,tegra194-sdhci", "nvidia,tegra234-sdhci";
> +			reg = <0x03400000 0x20000>;
> +			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&bpmp TEGRA234_CLK_SDMMC1>,
> +				 <&bpmp TEGRA234_CLK_SDMMC_LEGACY_TM>;
> +			clock-names = "sdhci", "tmclk";
> +			assigned-clocks = <&bpmp TEGRA234_CLK_SDMMC1>,
> +					<&bpmp TEGRA234_CLK_PLLC4_MUXED>;
> +			assigned-clock-parents =
> +					  <&bpmp TEGRA234_CLK_PLLC4_MUXED>,
> +					  <&bpmp TEGRA234_CLK_PLLC4_VCO_DIV2>;
> +			resets = <&bpmp TEGRA234_RESET_SDMMC1>;
> +			reset-names = "sdhci";
> +			interconnects = <&mc TEGRA234_MEMORY_CLIENT_SDMMCRA &emc>,
> +					<&mc TEGRA234_MEMORY_CLIENT_SDMMCWA &emc>;
> +			interconnect-names = "dma-mem", "write";
> +			iommus = <&smmu_niso1 TEGRA234_SID_SDMMC1A>;
> +			pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
> +			pinctrl-0 = <&sdmmc1_3v3>;
> +			pinctrl-1 = <&sdmmc1_1v8>;
> +			nvidia,pad-autocal-pull-up-offset-3v3-timeout =
> +								      <0x07>;
> +			nvidia,pad-autocal-pull-down-offset-3v3-timeout =
> +									<0x07>;
> +			nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x06>;
> +			nvidia,pad-autocal-pull-down-offset-1v8-timeout =
> +									<0x07>;
> +			nvidia,pad-autocal-pull-up-offset-sdr104 = <0x00>;
> +			nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>;
> +			nvidia,default-tap = <14>;
> +			nvidia,default-trim = <0x8>;
> +			sd-uhs-sdr25;
> +			sd-uhs-sdr50;
> +			sd-uhs-ddr50;
> +			sd-uhs-sdr104;
> +			status = "disabled";
> +		};
> +
>  		mmc@...0000 {
>  			compatible = "nvidia,tegra234-sdhci", "nvidia,tegra186-sdhci";
>  			reg = <0x03460000 0x20000>;
> @@ -1541,6 +1581,25 @@
>  
>  			#interrupt-cells = <2>;
>  			interrupt-controller;
> +			sdmmc1_3v3: sdmmc1-3v3 {
> +				pins = "sdmmc1-hv";
> +				power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
> +			};
> +
> +			sdmmc1_1v8: sdmmc1-1v8 {
> +				pins = "sdmmc1-hv";
> +				power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
> +			};
> +			sdmmc3_3v3: sdmmc3-3v3 {
> +				pins = "sdmmc3-hv";
> +				power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
> +			};
> +
> +			sdmmc3_1v8: sdmmc3-1v8 {
> +				pins = "sdmmc3-hv";
> +				power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
> +			};
> +

Wrong conflict resolution... blank line went into the wrong place.

>  		};
>  
>  		aon-fabric@...0000 {

Best regards,
Krzysztof