diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2020-05-16 23:29:13 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-05-17 22:37:09 +0200 |
| commit | 4908471e1ed767504ccfe3561e3a72c7458b1138 (patch) | |
| tree | 073a75ee8b097fbc5ab8bd110bce8e64a2701531 | |
| parent | 3c278a4749a8a0d1bf8e5235ca289748fdc48b11 (diff) | |
ARM: dts: ux500: Add touchscreen to the Skomerux500-dts-v5.8
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
| -rw-r--r-- | arch/arm/boot/dts/ste-ux500-samsung-skomer.dts | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts index c7d4ad34e569..8edef161613a 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts @@ -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 { |