ARM: dts: ts-4800: Add LCD support

This commit adds LCD support for the TS-4800. The panel is an Okaya
RS800480T-7X0WQ and the timings have been extracted from Technologic
Systems' tree.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts
index 83352cb3f2d3f4d39656c8f2904323a2c98e0d75..aa8f00a04a382249159a826859bcb1aef80f30a9 100644 (file)
--- a/arch/arm/boot/dts/imx51-ts4800.dts
+++ b/arch/arm/boot/dts/imx51-ts4800.dts
@@ -30,6 +30,53 @@
                        clock-frequency = <24576000>;
                };
        };
+
+       backlight_reg: regulator-backlight {
+               compatible = "regulator-fixed";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_enable_lcd>;
+               regulator-name = "enable_lcd_reg";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio4 9 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm1 0 78770>;
+               brightness-levels = <0 150 200 255>;
+               default-brightness-level = <1>;
+               power-supply = <&backlight_reg>;
+       };
+
+       display0: display@di0 {
+               compatible = "fsl,imx-parallel-display";
+               interface-pix-fmt = "rgb24";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_lcd>;
+
+               display-timings {
+                       800x480p60 {
+                               native-mode;
+                               clock-frequency = <30066000>;
+                               hactive = <800>;
+                               vactive = <480>;
+                               hfront-porch = <50>;
+                               hback-porch = <70>;
+                               hsync-len = <50>;
+                               vback-porch = <0>;
+                               vfront-porch = <0>;
+                               vsync-len = <50>;
+                       };
+               };
+
+               port@0 {
+                       display0_in: endpoint {
+                               remote-endpoint = <&ipu_di0_disp0>;
+                       };
+               };
+       };
 };
 
 &esdhc1 {
@@ -60,6 +107,16 @@
        };
 };
 
+&ipu_di0_disp0 {
+       remote-endpoint = <&display0_in>;
+};
+
+&pwm1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm_backlight>;
+       status = "okay";
+};
+
 &uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart1>;
@@ -115,6 +172,12 @@
                >;
        };
 
+       pinctrl_enable_lcd: enablelcdgrp {
+               fsl,pins = <
+                       MX51_PAD_CSI2_D12__GPIO4_9              0x1c5
+               >;
+       };
+
        pinctrl_esdhc1: esdhc1grp {
                fsl,pins = <
                        MX51_PAD_SD1_CMD__SD1_CMD               0x400020d5
@@ -159,6 +222,45 @@
                >;
        };
 
+       pinctrl_lcd: lcdgrp {
+               fsl,pins = <
+                       MX51_PAD_DISP1_DAT0__DISP1_DAT0         0x5
+                       MX51_PAD_DISP1_DAT1__DISP1_DAT1         0x5
+                       MX51_PAD_DISP1_DAT2__DISP1_DAT2         0x5
+                       MX51_PAD_DISP1_DAT3__DISP1_DAT3         0x5
+                       MX51_PAD_DISP1_DAT4__DISP1_DAT4         0x5
+                       MX51_PAD_DISP1_DAT5__DISP1_DAT5         0x5
+                       MX51_PAD_DISP1_DAT6__DISP1_DAT6         0x5
+                       MX51_PAD_DISP1_DAT7__DISP1_DAT7         0x5
+                       MX51_PAD_DISP1_DAT8__DISP1_DAT8         0x5
+                       MX51_PAD_DISP1_DAT9__DISP1_DAT9         0x5
+                       MX51_PAD_DISP1_DAT10__DISP1_DAT10       0x5
+                       MX51_PAD_DISP1_DAT11__DISP1_DAT11       0x5
+                       MX51_PAD_DISP1_DAT12__DISP1_DAT12       0x5
+                       MX51_PAD_DISP1_DAT13__DISP1_DAT13       0x5
+                       MX51_PAD_DISP1_DAT14__DISP1_DAT14       0x5
+                       MX51_PAD_DISP1_DAT15__DISP1_DAT15       0x5
+                       MX51_PAD_DISP1_DAT16__DISP1_DAT16       0x5
+                       MX51_PAD_DISP1_DAT17__DISP1_DAT17       0x5
+                       MX51_PAD_DISP1_DAT18__DISP1_DAT18       0x5
+                       MX51_PAD_DISP1_DAT19__DISP1_DAT19       0x5
+                       MX51_PAD_DISP1_DAT20__DISP1_DAT20       0x5
+                       MX51_PAD_DISP1_DAT21__DISP1_DAT21       0x5
+                       MX51_PAD_DISP1_DAT22__DISP1_DAT22       0x5
+                       MX51_PAD_DISP1_DAT23__DISP1_DAT23       0x5
+                       MX51_PAD_DI1_PIN2__DI1_PIN2             0x5
+                       MX51_PAD_DI1_PIN3__DI1_PIN3             0x5
+                       MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK     0x5
+                       MX51_PAD_DI_GP4__DI2_PIN15              0x5
+               >;
+       };
+
+       pinctrl_pwm_backlight: backlightgrp {
+               fsl,pins = <
+                       MX51_PAD_GPIO1_2__PWM1_PWMO             0x80000000
+               >;
+       };
+
        pinctrl_uart1: uart1grp {
                fsl,pins = <
                        MX51_PAD_UART1_RXD__UART1_RXD           0x1c5