linux-kernel - Re: [PATCH] ARM: dts: rv1108-evb: enable eMMC support

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Message-ID: <6815120.yyevdQbq0d@phil>
Date:   Tue, 16 Oct 2018 15:09:01 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Otavio Salvador <otavio@...ystems.com.br>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH] ARM: dts: rv1108-evb: enable eMMC support

Hi Otavio,

Am Dienstag, 9. Oktober 2018, 23:36:56 CEST schrieb Otavio Salvador:
> Enable eMMC support for rv1108 evaluation board.
> 
> Signed-off-by: Otavio Salvador <otavio@...ystems.com.br>
> ---
> 
>  arch/arm/boot/dts/rv1108-evb.dts |  8 ++++++++
>  arch/arm/boot/dts/rv1108.dtsi    | 29 +++++++++++++++++++++++++++++
>  2 files changed, 37 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/rv1108-evb.dts b/arch/arm/boot/dts/rv1108-evb.dts
> index 70f0106d1252..f3c6f52c49e6 100644
> --- a/arch/arm/boot/dts/rv1108-evb.dts
> +++ b/arch/arm/boot/dts/rv1108-evb.dts
> @@ -226,6 +226,14 @@
>  	status = "okay";
>  };
>  
> +&emmc {
> +	cap-mmc-highspeed;
> +	supports-emmc;
> +	non-removable;
> +	num-slots = <1>;

num-slots should not be present anymore on new additions

Also missing the pinctrl settings you're defining below?
Aka pinctrl-0 = <&emmc_*>; + pinctrl-names = "default"


Heiko

> +	status = "okay";
> +};
> +
>  &u2phy {
>  	status = "okay";
>  
> diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
> index 76ea24636feb..f14a733d85f6 100644
> --- a/arch/arm/boot/dts/rv1108.dtsi
> +++ b/arch/arm/boot/dts/rv1108.dtsi
> @@ -772,6 +772,35 @@
>  			};
>  		};
>  
> +		emmc {
> +			emmc_clk: emmc-clk {
> +				rockchip,pins = <2 RK_PB6 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
> +			};
> +
> +			emmc_cmd: emmc-cmd {
> +				rockchip,pins = <2 RK_PB4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +
> +			emmc_pwren: emmc-pwren {
> +				rockchip,pins = <2 RK_PC2 RK_FUNC_2 &pcfg_pull_none>;
> +			};
> +
> +			emmc_bus1: emmc-bus1 {
> +				rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +
> +			emmc_bus8: emmc-bus8 {
> +				rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA1 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA2 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA3 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA5 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA6 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA7 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +		};
> +
>  		sdmmc {
>  			sdmmc_clk: sdmmc-clk {
>  				rockchip,pins = <3 RK_PC4 RK_FUNC_1 &pcfg_pull_none_drv_4ma>;
>