ARM: dts: cm-t335: add support for DVI/LCD

Add pinmux configuration for DVI/LCD.
Add DRM display driver node with timing configurations for DVI and LCD.
Add I2C GPIOs configurations for DVI and LCD enable.

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am335x-sbc-t335.dts b/arch/arm/boot/dts/am335x-sbc-t335.dts
index 4a5177e6030df5385e615d02aa395bc468aad161..917d7ccc9109e2038fc137ae9856d4e51a0291fa 100644 (file)
--- a/arch/arm/boot/dts/am335x-sbc-t335.dts
+++ b/arch/arm/boot/dts/am335x-sbc-t335.dts
@@ -13,6 +13,181 @@
 / {
        model = "CompuLab CM-T335 on SB-T335";
        compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
+
+       /* DRM display driver */
+       panel {
+               compatible = "ti,tilcdc,panel";
+               status = "okay";
+               pinctrl-names = "default", "sleep";
+               pinctrl-0 = <&lcd_pins_default>;
+               pinctrl-1 = <&lcd_pins_sleep>;
+
+               panel-info {
+                       ac-bias           = <255>;
+                       ac-bias-intrpt    = <0>;
+                       dma-burst-sz      = <16>;
+                       bpp               = <32>;
+                       fdd               = <0x80>;
+                       sync-edge         = <0>;
+                       sync-ctrl         = <1>;
+                       raster-order      = <0>;
+                       fifo-th           = <0>;
+               };
+               display-timings {
+                       /* Timing selection performed by U-Boot */
+                       timing0: lcd {/* 800x480p62 */
+                               clock-frequency = <30000000>;
+                               hactive = <800>;
+                               vactive = <480>;
+                               hfront-porch = <39>;
+                               hback-porch = <39>;
+                               hsync-len = <47>;
+                               vback-porch = <29>;
+                               vfront-porch = <13>;
+                               vsync-len = <2>;
+                               hsync-active = <1>;
+                               vsync-active = <1>;
+                       };
+                       timing1: dvi { /* 1024x768p60 */
+                               clock-frequency = <65000000>;
+                               hactive = <1024>;
+                               hfront-porch = <24>;
+                               hback-porch = <160>;
+                               hsync-len = <136>;
+                               vactive = <768>;
+                               vfront-porch = <3>;
+                               vback-porch = <29>;
+                               vsync-len = <6>;
+                               hsync-active = <0>;
+                               vsync-active = <0>;
+                       };
+               };
+       };
+};
+
+&am33xx_pinmux {
+       /* Display */
+       lcd_pins_default: lcd_pins_default {
+               pinctrl-single,pins = <
+                       /* gpmc_ad8.lcd_data23 */
+                       AM33XX_IOPAD(0x820, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad9.lcd_data22 */
+                       AM33XX_IOPAD(0x824, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad10.lcd_data21 */
+                       AM33XX_IOPAD(0x828, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad11.lcd_data20 */
+                       AM33XX_IOPAD(0x82c, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad12.lcd_data19 */
+                       AM33XX_IOPAD(0x830, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad13.lcd_data18 */
+                       AM33XX_IOPAD(0x834, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad14.lcd_data17 */
+                       AM33XX_IOPAD(0x838, PIN_OUTPUT | MUX_MODE1)
+                       /* gpmc_ad15.lcd_data16 */
+                       AM33XX_IOPAD(0x83c, PIN_OUTPUT | MUX_MODE1)
+                       /* lcd_data0.lcd_data0 */
+                       AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data1.lcd_data1 */
+                       AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data2.lcd_data2 */
+                       AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data3.lcd_data3 */
+                       AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data4.lcd_data4 */
+                       AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data5.lcd_data5 */
+                       AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data6.lcd_data6 */
+                       AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data7.lcd_data7 */
+                       AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data8.lcd_data8 */
+                       AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data9.lcd_data9 */
+                       AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data10.lcd_data10 */
+                       AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data11.lcd_data11 */
+                       AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data12.lcd_data12 */
+                       AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data13.lcd_data13 */
+                       AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data14.lcd_data14 */
+                       AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_data15.lcd_data15 */
+                       AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_vsync.lcd_vsync */
+                       AM33XX_IOPAD(0x8e0, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_hsync.lcd_hsync */
+                       AM33XX_IOPAD(0x8e4, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_pclk.lcd_pclk */
+                       AM33XX_IOPAD(0x8e8, PIN_OUTPUT | MUX_MODE0)
+                       /* lcd_ac_bias_en.lcd_ac_bias_en */
+                       AM33XX_IOPAD(0x8ec, PIN_OUTPUT | MUX_MODE0)
+               >;
+       };
+
+       lcd_pins_sleep: lcd_pins_sleep {
+               pinctrl-single,pins = <
+                       /* gpmc_ad8.lcd_data23 */
+                       AM33XX_IOPAD(0x820, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad9.lcd_data22 */
+                       AM33XX_IOPAD(0x824, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad10.lcd_data21 */
+                       AM33XX_IOPAD(0x828, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad11.lcd_data20 */
+                       AM33XX_IOPAD(0x82c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad12.lcd_data19 */
+                       AM33XX_IOPAD(0x830, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad13.lcd_data18 */
+                       AM33XX_IOPAD(0x834, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad14.lcd_data17 */
+                       AM33XX_IOPAD(0x838, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* gpmc_ad15.lcd_data16 */
+                       AM33XX_IOPAD(0x83c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* lcd_data0.lcd_data0 */
+                       AM33XX_IOPAD(0x8a0, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data1.lcd_data1 */
+                       AM33XX_IOPAD(0x8a4, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data2.lcd_data2 */
+                       AM33XX_IOPAD(0x8a8, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data3.lcd_data3 */
+                       AM33XX_IOPAD(0x8ac, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data4.lcd_data4 */
+                       AM33XX_IOPAD(0x8b0, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data5.lcd_data5 */
+                       AM33XX_IOPAD(0x8b4, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data6.lcd_data6 */
+                       AM33XX_IOPAD(0x8b8, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data7.lcd_data7 */
+                       AM33XX_IOPAD(0x8bc, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data8.lcd_data8 */
+                       AM33XX_IOPAD(0x8c0, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data9.lcd_data9 */
+                       AM33XX_IOPAD(0x8c4, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data10.lcd_data10 */
+                       AM33XX_IOPAD(0x8c8, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data11.lcd_data11 */
+                       AM33XX_IOPAD(0x8cc, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data12.lcd_data12 */
+                       AM33XX_IOPAD(0x8d0, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data13.lcd_data13 */
+                       AM33XX_IOPAD(0x8d4, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data14.lcd_data14 */
+                       AM33XX_IOPAD(0x8d8, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_data15.lcd_data15 */
+                       AM33XX_IOPAD(0x8dc, PULL_DISABLE | MUX_MODE7)
+                       /* lcd_vsync.lcd_vsync */
+                       AM33XX_IOPAD(0x8e0, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* lcd_hsync.lcd_hsync */
+                       AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* lcd_pclk.lcd_pclk */
+                       AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       /* lcd_ac_bias_en.lcd_ac_bias_en */
+                       AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
+               >;
+       };
 };
 
 &i2c0 {
@@ -23,5 +198,22 @@
                gpio-controller;
                #gpio-cells = <2>;
                reg = <0x26>;
+               dvi_ena {
+                       gpio-hog;
+                       gpios = <13 GPIO_ACTIVE_HIGH>;
+                       output-high;
+                       line-name = "dvi-enable";
+               };
+               lcd_ena {
+                       gpio-hog;
+                       gpios = <11 GPIO_ACTIVE_HIGH>;
+                       output-high;
+                       line-name = "lcd-enable";
+               };
        };
 };
+
+/* Display */
+&lcdc {
+       status = "okay";
+};