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ARM: dts: ux500: Add touchscreen to the Skomer 

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

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200516212913.485365-1-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2020-05-16 23:29:13 +02:00
parent 3c278a4749
commit 4908471e1e
1 changed files with 31 additions and 1 deletions
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32
arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
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@ -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 {