Commit 4908471e authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: dts: ux500: Add touchscreen to the Skomer 



This adds touchscreen support to the Ux500 Samsung
GT-S7710 "Skomer" mobile phone.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200516212913.485365-1-linus.walleij@linaro.org
parent 3c278a47

arch/arm/boot/dts/ste-ux500-samsung-skomer.dts

+31 −1
Original line number Diff line number Diff line
@@ -367,7 +367,28 @@ 
			pinctrl-0 = <&i2c3_c_2_default>;

			pinctrl-1 = <&i2c3_c_2_sleep>;



			/* TODO: this should be used by the Cypress TMA140 touchscreen */

			/* Cypress CY8CTMA140 touchscreen */

			touchscreen@20 {

				compatible = "cypress,cy8ctma140";

				clock-frequency = <400000>;

				reg = <0x20>;



				touchscreen-size-x = <480>;

				touchscreen-size-y = <800>;

				touchscreen-max-pressure = <255>;



				/* GPIO218 for IRQ */

				interrupt-parent = <&gpio6>;

				interrupts = <26 IRQ_TYPE_EDGE_FALLING>;



				/* VDD is "digital supply" nominally 1.71-3.6V */

				vdd-supply = <&ab8500_ldo_aux2_reg>;

				/* VCPIN is "analog supply", 2.7-3.6 V */

				vcpin-supply = <&ab8500_ldo_aux2_reg>;



				pinctrl-names = "default";

				pinctrl-0 = <&tma140_skomer_default>;

			};

		};



		mcde@a0350000 {
@@ -562,6 +583,15 @@ 
			};

		};

	};

	/* Interrupt line for the Cypress TMA140 touchscreen */

	touchscreen {

		tma140_skomer_default: tma140_skomer {

			skomer_cfg1 {

				pins = "GPIO218_AH11";

				ste,config = <&gpio_in_nopull>;

			};

		};

	};

};



&ab8505_gpio {

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