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Date: Tue, 29 Mar 2016 07:38:29 -0700
From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Andy Gross <andy.gross@linaro.org>, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-soc@vger.kernel.org
Subject: Re: [PATCH 06/12] ARM: dts: dragonboard-600c: Add eMMC and SD card
 support
Message-ID: <20160329143829.GJ8929@tuxbot>
References: <1458762366-9233-1-git-send-email-srinivas.kandagatla@linaro.org>
 <1458762458-9584-1-git-send-email-srinivas.kandagatla@linaro.org>
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On Wed 23 Mar 12:47 PDT 2016, Srinivas Kandagatla wrote:

> This patch adds eMMC and SD card support with card detect and adding
> required regulators.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  .../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 41 ++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> index 0a0bcfe..a977314 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> @@ -1,4 +1,5 @@
>  #include "qcom-apq8064-v2.0.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
>  
>  / {
>  	model = "Qualcomm Technologies, Inc. APQ8064 DragonBoard600c";
> @@ -22,6 +23,16 @@
>  	};
>  
>  	soc {
> +		pinctrl@800000 {
> +			card_detect: card_detect {
> +				mux {
> +					pins = "gpio26";
> +					function = "gpio";
> +					bias-disable;
> +				};
> +			};
> +		};
> +
>  		rpm@108000 {
>  			regulators {
>  				vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
> @@ -62,6 +73,18 @@
>  					regulator-max-microvolt = <1300000>;
>  					qcom,switch-mode-frequency = <3200000>;
>  				 };
> +
> +				l5 {
> +					regulator-min-microvolt = <2750000>;
> +					regulator-max-microvolt = <3000000>;
> +					bias-pull-down;
> +				};
> +
> +				l6 {
> +					regulator-min-microvolt = <2950000>;
> +					regulator-max-microvolt = <2950000>;
> +					bias-pull-down;
> +				};

I would prefer if you folded these into the regulator patch.

>  			};
>  		};
>  
> @@ -87,5 +110,23 @@
>  				pinctrl-0 = <&gsbi7_uart_2pins>;
>  			};
>  		};
> +
> +		amba {
> +			/* eMMC */
> +			sdcc@12400000 {
> +				status = "okay";
> +				vmmc-supply = <&pm8921_l5>;
> +				vqmmc-supply = <&pm8921_s4>;
> +			};
> +
> +			/* External micro SD card */
> +			sdcc@12180000 {
> +				status = "okay";
> +				vmmc-supply = <&pm8921_l6>;
> +				pinctrl-names	= "default";
> +				pinctrl-0	= <&card_detect>;
> +				cd-gpios	= <&tlmm_pinmux 26 GPIO_ACTIVE_HIGH>;
> +			};
> +		};

Other than that,

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn