Commit fa99edd8 authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: dts: ux500: Add Cypress CTTYSP touch to TVK UIB 



The TVK1281618 R3 UIB has a Cypress CTTYSP touchscreen.
Add it to the device tree file.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent f9bf6cb2

arch/arm/boot/dts/ste-href-tvk1281618-r3.dtsi

+46 −0
Original line number Diff line number Diff line
@@ -118,6 +118,38 @@ pressure@5c { 
			};

		};



		spi@80111000 {

			num-cs = <1>;

			cs-gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;

			pinctrl-names = "default";

			pinctrl-0 = <&spi2_default_mode>;

			status = "okay";



			touchscreen@0 {

				compatible = "cypress,cy8ctma340";

				/*

				 * Actually the max frequency is 6 MHz, but over 2 MHz the

				 * data rate needs to be restricted to max 2Mbps which the

				 * SPI framework cannot handle.

				 */

				spi-max-frequency = <2000000>;

				reg = <0>;

				interrupt-parent = <&gpio2>;

				interrupts = <20 IRQ_TYPE_EDGE_FALLING>;

				vcpin-supply = <&ab8500_ldo_aux1_reg>;

				vdd-supply = <&db8500_vsmps2_reg>;

				reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;

				touchscreen-size-x = <480>;

				touchscreen-size-y = <854>;

				active-interval-ms = <0>;

				touch-timeout-ms = <255>;

				lowpower-interval-ms = <10>;

				bootloader-key = /bits/ 8 <0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07>;

				pinctrl-names = "default";

				pinctrl-0 = <&cyttsp_tvk_mode>;

			};

		};



		mcde@a0350000 {

			status = "okay";
@@ -167,6 +199,20 @@ tvk_cfg { 
					};

				};

			};

			cyttsp {

				cyttsp_tvk_mode: cyttsp_tvk {

					/* Touchscreen uses GPIO84 for IRQ */

					tvk_cfg1 {

						pins = "GPIO84_C2";

						ste,config = <&gpio_in_pu>;

					};

					/* GPIO143 is reset */

					tvk_cfg2 {

						pins = "GPIO143_D12";

						ste,config = <&gpio_out_hi>;

					};

				};

			};

		};

	};

};