Commit ad365516 authored by Adam Ford's avatar Adam Ford Committed by Tony Lindgren
Browse files

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: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a00ff99c

arch/arm/boot/dts/am3517-evm.dts

+107 −0
Original line number Diff line number Diff line
@@ -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 */

		>;

	};

};

arch/arm/boot/dts/am3517-som.dtsi

+29 −0
Original line number Diff line number Diff line
@@ -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 */

		>;

	};

};

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