linux-kernel - Re: [PATCH 05/12] ARM: dts: dragonboard-600c: add pmic regulator supplies

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Date:	Tue, 29 Mar 2016 07:37:11 -0700
From:	Bjorn Andersson <bjorn.andersson@...aro.org>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:	Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org
Subject: Re: [PATCH 05/12] ARM: dts: dragonboard-600c: add pmic regulator
 supplies

On Wed 23 Mar 12:47 PDT 2016, Srinivas Kandagatla wrote:

> This patch adds pmic regulator supplies connected on the board.
> Rest of the invidual regulators would be added as and when required by
> the devices.
> 

I do think we should try to fill them all out, before they are needed.
Especially so that people don't take the easy path of just copying
pieces from some other 8064 dts to get going...

But we can do that in a follow up if you prefer.

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

Regards,
Bjorn

> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 55 ++++++++++++++++++++++
>  1 file changed, 55 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> index e96aab6..0a0bcfe 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
> @@ -9,7 +9,62 @@
>  		serial1 = &gsbi1_serial;
>  	};
>  
> +	regulators {
> +		compatible = "simple-bus";
> +		vph: regulator-fixed@1 {
> +			compatible = "regulator-fixed";
> +			regulator-min-microvolt = <4500000>;
> +			regulator-max-microvolt = <4500000>;
> +			regulator-name = "VPH";
> +			regulator-type = "voltage";
> +			regulator-boot-on;
> +		};
> +	};
> +
>  	soc {
> +		rpm@...000 {
> +			regulators {
> +				vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
> +				vdd_l3_15_17-supply = <&vph>;
> +				vdd_l4_14-supply = <&vph>;
> +				vdd_l5_8_16-supply = <&vph>;
> +				vdd_l6_7-supply = <&vph>;
> +				vdd_l9_11-supply = <&vph>;
> +				vdd_l10_22-supply = <&vph>;
> +				vdd_l21_23_29-supply = <&vph>;
> +				vdd_l24-supply = <&pm8921_s1>;
> +				vdd_l25-supply = <&pm8921_s1>;
> +				vdd_l26-supply = <&pm8921_s7>;
> +				vdd_l27-supply = <&pm8921_s7>;
> +				vdd_l28-supply = <&pm8921_s7>;
> +				vin_lvs1_3_6-supply = <&pm8921_s4>;
> +				vin_lvs2-supply = <&pm8921_s1>;
> +				vin_lvs4_5_7-supply = <&pm8921_s4>;
> +
> +				s1 {
> +					regulator-always-on;
> +					regulator-min-microvolt = <1225000>;
> +					regulator-max-microvolt = <1225000>;
> +					qcom,switch-mode-frequency = <3200000>;
> +					bias-pull-down;
> +				};
> +
> +				s4 {
> +					regulator-min-microvolt	= <1800000>;
> +					regulator-max-microvolt	= <1800000>;
> +					qcom,switch-mode-frequency = <3200000>;
> +					bias-pull-down;
> +					regulator-always-on;
> +				};
> +
> +				s7 {
> +					regulator-min-microvolt = <1300000>;
> +					regulator-max-microvolt = <1300000>;
> +					qcom,switch-mode-frequency = <3200000>;
> +				 };
> +			};
> +		};
> +
>  		gsbi@...40000 {
>  			status = "okay";
>  			qcom,mode = <GSBI_PROT_UART_W_FC>;
> -- 
> 2.5.0
> 
> --
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