ARM: dts: am3517-evm: Add LCD panel type 15 support

The AM3517-EVM by Logic PD has a Logic PD type 15 display LCD
attached to the baseboard, and the SOM itself has an integrated
touchscreen controller.  This patch enables both the LCD and
the tsc2004 on the SOM.

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

diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index 63aef7d..f9ebefa 100644 (file)
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -13,6 +13,10 @@
        model = "TI AM3517 EVM (AM3517/05 TMDSEVM3517)";
        compatible = "ti,am3517-evm", "ti,am3517", "ti,omap3";
 
+       aliases {
+               display0 = &lcd0;
+       };
+
        memory@80000000 {
                device_type = "memory";
                reg = <0x80000000 0x10000000>; /* 256 MB */
@@ -24,6 +28,54 @@
                 regulator-min-microvolt = <3300000>;
                 regulator-max-microvolt = <3300000>;
         };
+
+       lcd0: display@0 {
+               compatible = "panel-dpi";
+               label = "15";
+               status = "okay";
+               pinctrl-names = "default";
+               enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;    /* gpio176, 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 = "pwm-backlight";
+               pinctrl-names = "default";
+               pinctrl-0 = <&backlight_pins>;
+               pwms = <&pwm11 0 5000000 0>;
+               brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
+               default-brightness-level = <7>;
+               enable-gpios = <&gpio6 22 GPIO_ACTIVE_HIGH>; /* gpio_182 */
+       };
+
+       pwm11: dmtimer-pwm@11 {
+               compatible = "ti,omap-dmtimer-pwm";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pwm_pins>;
+               ti,timers = <&timer11>;
+               #pwm-cells = <3>;
+       };
 };
 
 &davinci_emac {
@@ -34,6 +86,23 @@
             status = "okay";
 };
 
+&dss {
+       status = "ok";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&dss_dpi_pins>;
+
+       vdds_dsi-supply = <&vdd_io_reg>;
+       vdda_video-supply = <&vdd_io_reg>;
+
+       port {
+               dpi_out: endpoint {
+                       remote-endpoint = <&lcd_in>;
+                       data-lines = <16>;
+               };
+       };
+};
+
 &i2c2 {
        clock-frequency = <400000>;
 };
@@ -74,4 +143,42 @@
                        OMAP3_CORE1_IOPAD(0x2152, PIN_INPUT_PULLUP | MUX_MODE4) /* sdmmc1_dat5.gpio_127 */
                >;
        };
+
+       pwm_pins: pinmux_pwm_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x21dc, PIN_OUTPUT | MUX_MODE1)       /* mcspi2_cs0.gpt11_pwm */
+               >;
+       };
+
+       backlight_pins: pinmux_backlight_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x21de, PIN_OUTPUT | MUX_MODE4)       /* mcspi2_cs1.gpio_182 */
+               >;
+       };
+
+       dss_dpi_pins: pinmux_dss_dpi_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x21d2, PIN_OUTPUT | MUX_MODE4)       /* mcspi1_cs2.gpio_176 */
+                       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(0x20dc, PIN_OUTPUT | MUX_MODE0)       /* dss_data0.dss_data0 */
+                       OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0)       /* dss_data1.dss_data1 */
+                       OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0)       /* dss_data2.dss_data2 */
+                       OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0)       /* dss_data3.dss_data3 */
+                       OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0)       /* dss_data4.dss_data4 */
+                       OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0)       /* dss_data5.dss_data5 */
+                       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 */
+               >;
+       };
 };

diff --git a/arch/arm/boot/dts/am3517-som.dtsi b/arch/arm/boot/dts/am3517-som.dtsi
index d6edaeb..d65b21a 100644 (file)
--- a/arch/arm/boot/dts/am3517-som.dtsi
+++ b/arch/arm/boot/dts/am3517-som.dtsi
@@ -94,4 +94,33 @@
                        };
                };
        };
+
+       touchscreen: tsc2004@4b {
+               compatible = "ti,tsc2004";
+               reg = <0x4b>;
+
+               vio-supply = <&vdd_io_reg>;
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&tsc2004_pins>;
+               interrupts-extended = <&gpio3 1 IRQ_TYPE_EDGE_RISING>; /* gpio_65 */
+
+               touchscreen-fuzz-x = <4>;
+               touchscreen-fuzz-y = <7>;
+               touchscreen-fuzz-pressure = <2>;
+               touchscreen-size-x = <480>;
+               touchscreen-size-y = <272>;
+               touchscreen-max-pressure = <2048>;
+
+               ti,x-plate-ohms = <280>;
+               ti,esd-recovery-timeout-ms = <8000>;
+       };
+};
+
+&omap3_pmx_core {
+       tsc2004_pins: pinmux_tsc2004_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
+               >;
+       };
 };