linux-kernel - Re: [PATCH] ARM: dts: stm32: Add power-supply for DSI panel on stm32f469-disco

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Message-ID: <d4d67add-9dd2-4589-42b1-226f63d1ed29@st.com>
Date:   Thu, 9 Jan 2020 10:47:11 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Benjamin Gaignard <benjamin.gaignard@...com>,
        <mcoquelin.stm32@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: stm32: Add power-supply for DSI panel on
 stm32f469-disco

Hi

On 1/8/20 2:26 PM, Benjamin Gaignard wrote:
> Add a fixed regulator and use it as power supply for DSI panel.
> 
> Fixes: 18c8866266 ("ARM: dts: stm32: Add display support on stm32f469-disco")
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> ---
>   arch/arm/boot/dts/stm32f469-disco.dts | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
> index f3ce477b7bae..4801565e19d7 100644
> --- a/arch/arm/boot/dts/stm32f469-disco.dts
> +++ b/arch/arm/boot/dts/stm32f469-disco.dts
> @@ -76,6 +76,13 @@
>   		regulator-max-microvolt = <3300000>;
>   	};
>   
> +	vdd_dsi: vdd-dsi {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd_dsi";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +
>   	soc {
>   		dma-ranges = <0xc0000000 0x0 0x10000000>;
>   	};
> @@ -155,6 +162,7 @@
>   		compatible = "orisetech,otm8009a";
>   		reg = <0>; /* dsi virtual channel (0..3) */
>   		reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
> +		power-supply = <&vdd_dsi>;
>   		status = "okay";
>   
>   		port {
> 

Applied on stm32-next.

Thanks
Alex