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ARM: dts: imx6dl-mamoj: Add parallel display support
authorJagan Teki <jagan@amarulasolutions.com>
Tue, 17 Jul 2018 09:25:24 +0000 (14:55 +0530)
committerShawn Guo <shawnguo@kernel.org>
Thu, 19 Jul 2018 02:44:43 +0000 (10:44 +0800)
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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/imx6dl-mamoj.dts patch | blob | history

diff --git a/arch/arm/boot/dts/imx6dl-mamoj.dts b/arch/arm/boot/dts/imx6dl-mamoj.dts
index 6b2d29138bedee1482198c9b3ff88b03910428fc..38e94fd11a3f8124aff27f10b0f4c5c03d40ab3a 100644 (file)
--- 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
ep93xx device tree rework repo: git://git.maquefel.me/linux.git