linux-kernel - Re: [PATCH v2 2/2] arm64: dts: ac5: add mmc node and clock

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Date: Tue, 27 Feb 2024 17:36:25 +0100
From: Gregory CLEMENT <gregory.clement@...tlin.com>
To: Elad Nachman <enachman@...vell.com>, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, andrew@...n.ch,
 sebastian.hesselbarth@...il.com, huziji@...vell.com,
 ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org
Cc: enachman@...vell.com
Subject: Re: [PATCH v2 2/2] arm64: dts: ac5: add mmc node and clock

Hi Elad Nachman,

> From: Elad Nachman <enachman@...vell.com>
>
> Add mmc and mmc clock nodes to ac5 and ac5x device tree files
>
> Signed-off-by: Elad Nachman <enachman@...vell.com>

Applied on mvebu/dt64

Thanks,

Gregory

> ---
>  arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 31 ++++++++++++++++++-
>  .../boot/dts/marvell/ac5-98dx35xx-rd.dts      |  4 +++
>  2 files changed, 34 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> index b5e042b8e929..5591939e057b 100644
> --- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> +++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> @@ -77,7 +77,6 @@ soc {
>  		#address-cells = <2>;
>  		#size-cells = <2>;
>  		ranges;
> -		dma-ranges;
>  
>  		internal-regs@...00000 {
>  			#address-cells = <1>;
> @@ -204,6 +203,30 @@ gpio1: gpio@...40 {
>  			};
>  		};
>  
> +		mmc_dma: bus@...00000 {
> +				compatible = "simple-bus";
> +				ranges;
> +				#address-cells = <0x2>;
> +				#size-cells = <0x2>;
> +				reg = <0x0 0x80500000 0x0 0x100000>;
> +				dma-ranges = <0x0 0x0 0x2 0x0 0x0 0x80000000>;
> +				dma-coherent;
> +
> +				sdhci: mmc@...c0000 {
> +					compatible = "marvell,ac5-sdhci",
> +						     "marvell,armada-ap806-sdhci";
> +					reg = <0x0 0x805c0000 0x0 0x1000>;
> +					interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
> +					clocks = <&emmc_clock>, <&cnm_clock>;
> +					clock-names = "core", "axi";
> +					bus-width = <8>;
> +					non-removable;
> +					mmc-ddr-1_8v;
> +					mmc-hs200-1_8v;
> +					mmc-hs400-1_8v;
> +				};
> +		};
> +
>  		/*
>  		 * Dedicated section for devices behind 32bit controllers so we
>  		 * can configure specific DMA mapping for them
> @@ -335,5 +358,11 @@ nand_clock: nand-clock {
>  			#clock-cells = <0>;
>  			clock-frequency = <400000000>;
>  		};
> +
> +		emmc_clock: emmc-clock {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <400000000>;
> +		};
>  	};
>  };
> diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts b/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
> index f0ebdb84eec9..0c973d7a215a 100644
> --- a/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
> +++ b/arch/arm64/boot/dts/marvell/ac5-98dx35xx-rd.dts
> @@ -99,3 +99,7 @@ parition@2 {
>  		};
>  	};
>  };
> +
> +&sdhci {
> +	status = "okay";
> +};
> -- 
> 2.25.1
>

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com