linux-kernel - Re: [PATCH v2 2/2] arm64: dts: s32g: add uSDHC node

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Date: Sat, 24 Feb 2024 16:22:25 +0800
From: Chester Lin <chester62515@...il.com>
To: Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>
Cc: Andreas Farber <afaerber@...e.de>, Matthias Brugger <mbrugger@...e.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, NXP S32 Linux Team <s32@....com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	NXP Linux Team <linux-imx@....com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	Ghennadi Procopciuc <ghennadi.procopciuc@....com>,
	Ciprian Costea <ciprianmarian.costea@....com>
Subject: Re: [PATCH v2 2/2] arm64: dts: s32g: add uSDHC node

Hi Ghennadi,

On Mon, Jan 22, 2024 at 04:06:01PM +0200, Ghennadi Procopciuc wrote:
> From: Ghennadi Procopciuc <ghennadi.procopciuc@....com>
> 
> Add the uSDHC node for the boards that are based on S32G SoCs.
> 
> Signed-off-by: Ciprian Costea <ciprianmarian.costea@....com>
> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@....com>
> ---
>  arch/arm64/boot/dts/freescale/s32g2.dtsi        | 10 ++++++++++
>  arch/arm64/boot/dts/freescale/s32g274a-evb.dts  |  6 +++++-
>  arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts |  6 +++++-
>  3 files changed, 20 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> index ef1a1d61f2ba..fc19ae2e8d3b 100644
> --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi
> +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> @@ -138,6 +138,16 @@ uart2: serial@...bc000 {
>  			status = "disabled";
>  		};
>  
> +		usdhc0: mmc@...f0000 {
> +			compatible = "nxp,s32g2-usdhc";
> +			reg = <0x402f0000 0x1000>;
> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clks 32>, <&clks 31>, <&clks 33>;

Same as I have mentioned in [PATCH v2 1/2], could we have fixed dt-bindings to
replace with these raw clock id values (32, 31, 33)?

Chester
> +			clock-names = "ipg", "ahb", "per";
> +			bus-width = <8>;
> +			status = "disabled";
> +		};
> +
>  		gic: interrupt-controller@...00000 {
>  			compatible = "arm,gic-v3";
>  			reg = <0x50800000 0x10000>,
> diff --git a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts
> index 9118d8d2ee01..00070c949e2a 100644
> --- a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts
> +++ b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts
> @@ -1,7 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
>  /*
>   * Copyright (c) 2021 SUSE LLC
> - * Copyright (c) 2019-2021 NXP
> + * Copyright 2019-2021, 2024 NXP
>   */
>  
>  /dts-v1/;
> @@ -32,3 +32,7 @@ memory@...00000 {
>  &uart0 {
>  	status = "okay";
>  };
> +
> +&usdhc0 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
> index e05ee854cdf5..b3fc12899cae 100644
> --- a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
> +++ b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
> @@ -1,7 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
>  /*
>   * Copyright (c) 2021 SUSE LLC
> - * Copyright (c) 2019-2021 NXP
> + * Copyright 2019-2021, 2024 NXP
>   */
>  
>  /dts-v1/;
> @@ -38,3 +38,7 @@ &uart0 {
>  &uart1 {
>  	status = "okay";
>  };
> +
> +&usdhc0 {
> +	status = "okay";
> +};
> -- 
> 2.43.0
>