ARM: OMAP2+: LogicPD Torpedo: Add LCD Type 15 Support

Add basic support for Logic PD type 15 display for older development kits.
This uses GPIO for the backlight.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index d8dcbaf..c54f772 100644 (file)
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -114,6 +114,70 @@
        };
 };
 
+&vpll2 {
+       regulator-always-on;
+};
+
+&dss {
+       status = "ok";
+       vdds_dsi-supply = <&vpll2>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&dss_dpi_pins1>;
+       port {
+               dpi_out: endpoint {
+                       remote-endpoint = <&lcd_in>;
+                       data-lines = <16>;
+               };
+       };
+};
+
+/ {
+       aliases {
+               display0 = &lcd0;
+       };
+
+       lcd0: display@0 {
+               compatible = "panel-dpi";
+               label = "15";
+               status = "okay";
+               /* default-on; */
+               pinctrl-names = "default";
+               enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;    /* gpio155, lcd INI */
+
+               port {
+                       lcd_in: endpoint {
+                               remote-endpoint = <&dpi_out>;
+                       };
+               };
+
+               panel-timing {
+                       clock-frequency = <9000000>;
+                       hactive = <480>;
+                       vactive = <272>;
+                       hfront-porch = <3>;
+                       hback-porch = <2>;
+                       hsync-len = <42>;
+                       vback-porch = <3>;
+                       vfront-porch = <4>;
+                       vsync-len = <11>;
+                       hsync-active = <0>;
+                       vsync-active = <0>;
+                       de-active = <1>;
+                       pixelclk-active = <1>;
+               };
+       };
+
+       bl: backlight {
+               compatible = "gpio-backlight";
+               pinctrl-names = "default";
+               pinctrl-0 = <&backlight_pins>;
+
+               gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>, /* gpio_56 */
+                       <&gpio5 26 GPIO_ACTIVE_HIGH>; /* gpio_154 */
+               default-on;
+       };
+};
+
 &mmc1 {
        interrupts-extended = <&intc 83 &omap3_pmx_core 0x11a>;
        pinctrl-names = "default";
@@ -149,6 +213,42 @@
                        OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT | MUX_MODE0)        /* sdmmc1_dat3.sdmmc1_dat3 */
                >;
        };
+
+       backlight_pins: pinmux_backlight_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | MUX_MODE4)       /* gpmc_ncs5.gpio_56 */
+                       OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | MUX_MODE4)       /* mcbsp4_dx.gpio_154 */
+               >;
+       };
+
+       dss_dpi_pins1: pinmux_dss_dpi_pins1 {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0)   /* dss_pclk.dss_pclk */
+                       OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0)   /* dss_hsync.dss_hsync */
+                       OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0)   /* dss_vsync.dss_vsync */
+                       OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0)   /* dss_acbias.dss_acbias */
+
+                       OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0)   /* dss_data6.dss_data6 */
+                       OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0)   /* dss_data7.dss_data7 */
+                       OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0)   /* dss_data8.dss_data8 */
+                       OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0)   /* dss_data9.dss_data9 */
+                       OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0)   /* dss_data10.dss_data10 */
+                       OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0)   /* dss_data11.dss_data11 */
+                       OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0)   /* dss_data12.dss_data12 */
+                       OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0)   /* dss_data13.dss_data13 */
+                       OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0)   /* dss_data14.dss_data14 */
+                       OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0)   /* dss_data15.dss_data15 */
+                       OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0)   /* dss_data16.dss_data16 */
+                       OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0)   /* dss_data17.dss_data17 */
+
+                       OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE3)   /* dss_data18.dss_data0 */
+                       OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE3)   /* dss_data19.dss_data1 */
+                       OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE3)   /* dss_data20.dss_data2 */
+                       OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE3)   /* dss_data21.dss_data3 */
+                       OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE3)   /* dss_data22.dss_data4 */
+                       OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE3)   /* dss_data23.dss_data5 */
+               >;
+       };
 };
 
 &omap3_pmx_wkup {