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* [PATCH v3 1/3] ARM: dts: i.MX6: imx6dl-mamoj: Add parallel display support
@ 2018-07-17  9:25 Jagan Teki
  2018-07-17  9:25 ` [PATCH v3 2/3] ARM: dts: i.MX6: imx6dl-mamoj: Add Wifi support Jagan Teki
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Jagan Teki @ 2018-07-17  9:25 UTC (permalink / raw)
  To: Shawn Guo, Sascha Hauer, Fabio Estevam
  Cc: linux-arm-kernel, devicetree, linux-kernel, Rob Herring,
	Mark Rutland, Fabio maggi, lamiaposta71, Andrea CORTESE,
	Davide Bonfanti, Shyam Saini, Michael Trimarchi, Jagan Teki,
	Simone CIANNI, Raffaele RECALCATI

This patch adds parallel display support for i.MX6DL Mamoj board
along with relevant backlight through pwm.

LCD power sequence is added by 'Michael Trimarchi'.

Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
---
Changes for v3:
- update node name lcd_display as display
- Use proper vlaue with VDOUT_RESET pin 
- updtae pinctrl_lcd_power iomux label as pinctrl_ipu1_lcdif_pwr
Changes for v2:
- collect Fabio r-w-b tag

 arch/arm/boot/dts/imx6dl-mamoj.dts | 185 +++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)

diff --git a/arch/arm/boot/dts/imx6dl-mamoj.dts b/arch/arm/boot/dts/imx6dl-mamoj.dts
index 6b2d29138bed..38e94fd11a3f 100644
--- a/arch/arm/boot/dts/imx6dl-mamoj.dts
+++ b/arch/arm/boot/dts/imx6dl-mamoj.dts
@@ -6,11 +6,133 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
 #include "imx6dl.dtsi"
 
 / {
 	model = "BTicino i.MX6DL Mamoj board";
 	compatible = "bticino,imx6dl-mamoj", "fsl,imx6dl";
+
+	backlight_lcd: backlight-lcd {
+		compatible = "pwm-backlight";
+		pwms = <&pwm3 0 25000>; /* 25000ns -> 40kHz */
+		brightness-levels = <0 4 8 16 32 64 128 160 192 224 255>;
+		default-brightness-level = <7>;
+	};
+
+	display: disp0 {
+		compatible = "fsl,imx-parallel-display";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interface-pix-fmt = "rgb24";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ipu1_lcdif>;
+		status = "okay";
+
+		port@0 {
+			reg = <0>;
+
+			lcd_display_in: endpoint {
+				remote-endpoint = <&ipu1_di0_disp0>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			lcd_display_out: endpoint {
+				remote-endpoint = <&lcd_panel_in>;
+			};
+		};
+	};
+
+	panel-lcd {
+		compatible = "rocktech,rk070er9427";
+		backlight = <&backlight_lcd>;
+		power-supply = <&reg_lcd_lr>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ipu1_lcdif_pwr>;
+
+		port {
+			lcd_panel_in: endpoint {
+				remote-endpoint = <&lcd_display_out>;
+			};
+		};
+	};
+
+	reg_lcd_3v3: regulator-lcd-dvdd {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-dvdd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 1 0>;
+		enable-active-high;
+		startup-delay-us = <21000>;
+	};
+
+	reg_lcd_power: regulator-lcd-power {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-enable";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 6 0>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_3v3>;
+	};
+
+	reg_lcd_vgl: regulator-lcd-vgl {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-vgl";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio2 20 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <6000>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_power>;
+	};
+
+	reg_lcd_vgh: regulator-lcd-vgh {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-vgh";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 31 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <6000>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_avdd>;
+	};
+
+	reg_lcd_vcom: regulator-lcd-vcom {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-vcom";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio4 14 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <11000>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_vgh>;
+	};
+
+	reg_lcd_lr: regulator-lcd-lr {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-lr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_vcom>;
+	};
+
+	reg_lcd_avdd: regulator-lcd-avdd {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-avdd";
+		regulator-min-microvolt = <10280000>;
+		regulator-max-microvolt = <10280000>;
+		gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <6000>;
+		enable-active-high;
+		vin-supply = <&reg_lcd_vgl>;
+	};
 };
 
 &fec {
@@ -147,6 +269,16 @@
 	};
 };
 
+&ipu1_di0_disp0 {
+	remote-endpoint = <&lcd_display_in>;
+};
+
+&pwm3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm3>;
+	status = "okay";
+};
+
 &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart3>;
@@ -200,6 +332,59 @@
 		>;
 	};
 
+	pinctrl_ipu1_lcdif: pinctrlipu1lcdif { /* parallel port 24-bit */
+		fsl,pins = <
+			MX6QDL_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK 0x10 /* VDOUT_PCLK */
+			MX6QDL_PAD_DI0_PIN15__IPU1_DI0_PIN15       0x10
+			MX6QDL_PAD_DI0_PIN2__IPU1_DI0_PIN02        0x10 /* VDOUT_HSYNC */
+			MX6QDL_PAD_DI0_PIN3__IPU1_DI0_PIN03        0x10 /* VDOUT_VSYNC */
+			MX6QDL_PAD_DI0_PIN4__IPU1_DI0_PIN04	   0x10 /* VDOUT_RESET */
+			MX6QDL_PAD_DISP0_DAT0__IPU1_DISP0_DATA00   0x10
+			MX6QDL_PAD_DISP0_DAT1__IPU1_DISP0_DATA01   0x10
+			MX6QDL_PAD_DISP0_DAT2__IPU1_DISP0_DATA02   0x10
+			MX6QDL_PAD_DISP0_DAT3__IPU1_DISP0_DATA03   0x10
+			MX6QDL_PAD_DISP0_DAT4__IPU1_DISP0_DATA04   0x10
+			MX6QDL_PAD_DISP0_DAT5__IPU1_DISP0_DATA05   0x10
+			MX6QDL_PAD_DISP0_DAT6__IPU1_DISP0_DATA06   0x10
+			MX6QDL_PAD_DISP0_DAT7__IPU1_DISP0_DATA07   0x10
+			MX6QDL_PAD_DISP0_DAT8__IPU1_DISP0_DATA08   0x10
+			MX6QDL_PAD_DISP0_DAT9__IPU1_DISP0_DATA09   0x10
+			MX6QDL_PAD_DISP0_DAT10__IPU1_DISP0_DATA10  0x10
+			MX6QDL_PAD_DISP0_DAT11__IPU1_DISP0_DATA11  0x10
+			MX6QDL_PAD_DISP0_DAT12__IPU1_DISP0_DATA12  0x10
+			MX6QDL_PAD_DISP0_DAT13__IPU1_DISP0_DATA13  0x10
+			MX6QDL_PAD_DISP0_DAT14__IPU1_DISP0_DATA14  0x10
+			MX6QDL_PAD_DISP0_DAT15__IPU1_DISP0_DATA15  0x10
+			MX6QDL_PAD_DISP0_DAT16__IPU1_DISP0_DATA16  0x10
+			MX6QDL_PAD_DISP0_DAT17__IPU1_DISP0_DATA17  0x10
+			MX6QDL_PAD_DISP0_DAT18__IPU1_DISP0_DATA18  0x10
+			MX6QDL_PAD_DISP0_DAT19__IPU1_DISP0_DATA19  0x10
+			MX6QDL_PAD_DISP0_DAT20__IPU1_DISP0_DATA20  0x10
+			MX6QDL_PAD_DISP0_DAT21__IPU1_DISP0_DATA21  0x10
+			MX6QDL_PAD_DISP0_DAT22__IPU1_DISP0_DATA22  0x10
+			MX6QDL_PAD_DISP0_DAT23__IPU1_DISP0_DATA23  0x10
+		>;
+	};
+
+	pinctrl_ipu1_lcdif_pwr: ipu1lcdifpwrgrp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_DA1__GPIO3_IO01		0x40013058 /* EN_LCD33V */
+			MX6QDL_PAD_SD4_DAT5__GPIO2_IO13		0x4001b0b0 /* EN_AVDD */
+			MX6QDL_PAD_EIM_D31__GPIO3_IO31		0x40013058 /* ENVGH */
+			MX6QDL_PAD_EIM_A18__GPIO2_IO20		0x40013058 /* ENVGL */
+			MX6QDL_PAD_EIM_DA6__GPIO3_IO06		0x40013058 /* LCD_POWER */
+			MX6QDL_PAD_KEY_COL4__GPIO4_IO14		0x40013058 /* EN_VCOM_LCD */
+			MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x40013058 /* LCD_L_R */
+			MX6QDL_PAD_EIM_DA2__GPIO3_IO02		0x40013058 /* LCD_U_D */
+		>;
+	};
+
+	pinctrl_pwm3: pwm3grp {
+		fsl,pins = <
+			MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
+		>;
+	};
+
 	pinctrl_uart3: uart3grp {
 		fsl,pins = <
 			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
-- 
2.17.1

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2018-07-17  9:25 [PATCH v3 1/3] ARM: dts: i.MX6: imx6dl-mamoj: Add parallel display support Jagan Teki
2018-07-17  9:25 ` [PATCH v3 2/3] ARM: dts: i.MX6: imx6dl-mamoj: Add Wifi support Jagan Teki
2018-07-17  9:25 ` [PATCH v3 3/3] ARM: dts: i.MX6: imx6dl-mamoj: Add usb host and device support Jagan Teki
2018-07-19  2:46 ` [PATCH v3 1/3] ARM: dts: i.MX6: imx6dl-mamoj: Add parallel display support Shawn Guo

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