From mboxrd@z Thu Jan 1 00:00:00 1970 From: festevam@gmail.com (Fabio Estevam) Date: Thu, 4 Apr 2013 23:20:54 -0300 Subject: [PATCH v4 1/2] ARM: dts: mxs: Use 'regulator-fixed' for turning on LCD Message-ID: <1365128456-8762-1-git-send-email-festevam@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Fabio Estevam Instead of using a custom binding for turning on a GPIO that activates the LCD, use the standard 'regulator-fixed'. Signed-off-by: Fabio Estevam --- Changes since v3: - Fix regulator bindings (use lcd-supply) Changes since v2: - Use regulator-fixed Changes since v1: - Adjust Subject, since the change is not specific to mx28evk Documentation/devicetree/bindings/fb/mxsfb.txt | 5 +---- arch/arm/boot/dts/imx23-evk.dts | 11 ++++++++++- arch/arm/boot/dts/imx28-evk.dts | 11 ++++++++++- 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/fb/mxsfb.txt b/Documentation/devicetree/bindings/fb/mxsfb.txt index 7ba3b76..b15230c 100644 --- a/Documentation/devicetree/bindings/fb/mxsfb.txt +++ b/Documentation/devicetree/bindings/fb/mxsfb.txt @@ -8,9 +8,7 @@ Required properties: - display : phandle to display node (see below for details) Optional properties: -- panel-enable-gpios : Should specify the gpio for panel enable - -* display node +- display node Required properties: - bits-per-pixel : <16> for RGB565, <32> for RGB888/666. @@ -25,7 +23,6 @@ lcdif at 80030000 { compatible = "fsl,imx28-lcdif"; reg = <0x80030000 2000>; interrupts = <38 86>; - panel-enable-gpios = <&gpio3 30 0>; display: display { bits-per-pixel = <32>; diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 7880e17..da0588a 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -59,7 +59,7 @@ lcdif at 80030000 { pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a>; - panel-enable-gpios = <&gpio1 18 0>; + lcd-supply = <®_lcd_3v3>; display = <&display>; status = "okay"; @@ -120,6 +120,15 @@ regulator-max-microvolt = <3300000>; gpio = <&gpio1 29 0>; }; + + reg_lcd_3v3: lcd-3v3 { + compatible = "regulator-fixed"; + regulator-name = "lcd-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio1 18 0>; + enable-active-high; + }; }; backlight { diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 2d4ea3b..3637bf3 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -123,7 +123,7 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_pins_evk>; - panel-enable-gpios = <&gpio3 30 0>; + lcd-supply = <®_lcd_3v3>; display = <&display>; status = "okay"; @@ -310,6 +310,15 @@ gpio = <&gpio3 8 0>; enable-active-high; }; + + reg_lcd_3v3: lcd-3v3 { + compatible = "regulator-fixed"; + regulator-name = "lcd-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio3 30 0>; + enable-active-high; + }; }; sound { -- 1.7.9.5