ARM: dts: imx6sl-evk: Add LCD support

Add support for the "MX28LCD Seiko 4.3' WVGA" panel.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 366eb02..9925c4a 100644 (file)
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -20,6 +20,13 @@
                reg = <0x80000000 0x40000000>;
        };
 
+       backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm1 0 5000000>;
+               brightness-levels = <0 4 8 16 32 64 128 255>;
+               default-brightness-level = <6>;
+       };
+
        leds {
                compatible = "gpio-leds";
                pinctrl-names = "default";
@@ -74,6 +81,14 @@
                        regulator-max-microvolt = <4325000>;
                        regulator-boot-on;
                };
+
+               reg_lcd_3v3: regulator@4 {
+                       compatible = "regulator-fixed";
+                       reg = <4>;
+                       regulator-name = "lcd-3v3";
+                       gpio = <&gpio4 3 0>;
+                       enable-active-high;
+               };
        };
 
        sound {
@@ -340,12 +355,51 @@
                        >;
                };
 
+               pinctrl_lcd: lcdgrp {
+                       fsl,pins = <
+                               MX6SL_PAD_LCD_DAT0__LCD_DATA00 0x1b0b0
+                               MX6SL_PAD_LCD_DAT1__LCD_DATA01 0x1b0b0
+                               MX6SL_PAD_LCD_DAT2__LCD_DATA02 0x1b0b0
+                               MX6SL_PAD_LCD_DAT3__LCD_DATA03 0x1b0b0
+                               MX6SL_PAD_LCD_DAT4__LCD_DATA04 0x1b0b0
+                               MX6SL_PAD_LCD_DAT5__LCD_DATA05 0x1b0b0
+                               MX6SL_PAD_LCD_DAT6__LCD_DATA06 0x1b0b0
+                               MX6SL_PAD_LCD_DAT7__LCD_DATA07 0x1b0b0
+                               MX6SL_PAD_LCD_DAT8__LCD_DATA08 0x1b0b0
+                               MX6SL_PAD_LCD_DAT9__LCD_DATA09 0x1b0b0
+                               MX6SL_PAD_LCD_DAT10__LCD_DATA10 0x1b0b0
+                               MX6SL_PAD_LCD_DAT11__LCD_DATA11 0x1b0b0
+                               MX6SL_PAD_LCD_DAT12__LCD_DATA12 0x1b0b0
+                               MX6SL_PAD_LCD_DAT13__LCD_DATA13 0x1b0b0
+                               MX6SL_PAD_LCD_DAT14__LCD_DATA14 0x1b0b0
+                               MX6SL_PAD_LCD_DAT15__LCD_DATA15 0x1b0b0
+                               MX6SL_PAD_LCD_DAT16__LCD_DATA16 0x1b0b0
+                               MX6SL_PAD_LCD_DAT17__LCD_DATA17 0x1b0b0
+                               MX6SL_PAD_LCD_DAT18__LCD_DATA18 0x1b0b0
+                               MX6SL_PAD_LCD_DAT19__LCD_DATA19 0x1b0b0
+                               MX6SL_PAD_LCD_DAT20__LCD_DATA20 0x1b0b0
+                               MX6SL_PAD_LCD_DAT21__LCD_DATA21 0x1b0b0
+                               MX6SL_PAD_LCD_DAT22__LCD_DATA22 0x1b0b0
+                               MX6SL_PAD_LCD_DAT23__LCD_DATA23 0x1b0b0
+                               MX6SL_PAD_LCD_CLK__LCD_CLK 0x1b0b0
+                               MX6SL_PAD_LCD_ENABLE__LCD_ENABLE 0x1b0b0
+                               MX6SL_PAD_LCD_HSYNC__LCD_HSYNC 0x1b0b0
+                               MX6SL_PAD_LCD_VSYNC__LCD_VSYNC 0x1b0b0
+                       >;
+               };
+
                pinctrl_led: ledgrp {
                        fsl,pins = <
                                MX6SL_PAD_HSIC_STROBE__GPIO3_IO20 0x17059
                        >;
                };
 
+               pinctrl_pwm1: pwmgrp {
+                       fsl,pins = <
+                               MX6SL_PAD_PWM1__PWM1_OUT 0x110b0
+                       >;
+               };
+
                pinctrl_uart1: uart1grp {
                        fsl,pins = <
                                MX6SL_PAD_UART1_RXD__UART1_RX_DATA      0x1b0b1
@@ -488,6 +542,44 @@
        status = "okay";
 };
 
+&lcdif {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_lcd>;
+       lcd-supply = <&reg_lcd_3v3>;
+       display = <&display>;
+       status = "okay";
+
+       display: display {
+               bits-per-pixel = <32>;
+               bus-width = <24>;
+
+               display-timings {
+                       native-mode = <&timing0>;
+                       timing0: timing0 {
+                               clock-frequency = <33500000>;
+                               hactive = <800>;
+                               vactive = <480>;
+                               hback-porch = <89>;
+                               hfront-porch = <164>;
+                               vback-porch = <23>;
+                               vfront-porch = <10>;
+                               hsync-len = <10>;
+                               vsync-len = <10>;
+                               hsync-active = <0>;
+                               vsync-active = <0>;
+                               de-active = <1>;
+                               pixelclk-active = <0>;
+                       };
+               };
+       };
+};
+
+&pwm1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm1>;
+       status = "okay";
+};
+
 &ssi2 {
        status = "okay";
 };

diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 4c400fc..ba67714 100644 (file)
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -638,8 +638,14 @@
                        };
 
                        lcdif: lcdif@020f8000 {
+                               compatible = "fsl,imx6sl-lcdif", "fsl,imx28-lcdif";
                                reg = <0x020f8000 0x4000>;
                                interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>;
+                               clocks = <&clks IMX6SL_CLK_LCDIF_PIX>,
+                                        <&clks IMX6SL_CLK_LCDIF_AXI>,
+                                        <&clks IMX6SL_CLK_DUMMY>;
+                               clock-names = "pix", "axi", "disp_axi";
+                               status = "disabled";
                        };
 
                        dcp: dcp@020fc000 {