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Date: Tue, 12 Jan 2021 10:51:47 +0100 From: Martin Kepplinger <martin.kepplinger@...i.sm> To: robh@...nel.org, shawnguo@...nel.org, festevam@...il.com Cc: kernel@...gutronix.de, linux-imx@....com, catalin.marinas@....com, will@...nel.org, krzk@...nel.org, kernel@...i.sm, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Guido Günther <agx@...xcpu.org>, Martin Kepplinger <martin.kepplinger@...i.sm> Subject: [PATCH 5/9] arm64: dts: imx8mq-librem5: Add LCD_1V8 regulator From: Guido Günther <agx@...xcpu.org> It's a supply for to touch and LCD. Signed-off-by: Guido Günther <agx@...xcpu.org> Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm> --- arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index d7d807cd72b3..f77b51d3c132 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -82,6 +82,20 @@ enable-active-high; }; + reg_lcd_1v8: regulator-lcd-1v8 { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dsien>; + regulator-name = "LCD_1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <®_vdd_1v8>; + gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + /* Otherwise i2c3 is not functional */ + regulator-always-on; + }; + reg_lcd_3v4: regulator-lcd-3v4 { compatible = "regulator-fixed"; regulator-name = "LCD_3V4"; @@ -892,6 +906,7 @@ interrupts = <27 IRQ_TYPE_EDGE_FALLING>; touchscreen-size-x = <720>; touchscreen-size-y = <1440>; + vcc-supply = <®_lcd_1v8>; }; }; -- 2.20.1
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