Bind touchscreen for the samsung,coreprimevelte smartphone. The downstream code sets the VDD voltage to the exact value of 3.1 V, however it's been empirically verified that the lower bound used here sufficies for the proper operation of the chip and is thus used for power-saving purposes.
Signed-off-by: Karel Balej <[email protected]> --- .../mmp/pxa1908-samsung-coreprimevelte.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts index 240021e7a371..834b2cf1a204 100644 --- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts +++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts @@ -312,6 +312,11 @@ pmic@30 { wakeup-source; regulators { + ldo2: ldo2 { + regulator-min-microvolt = <1900000>; + regulator-max-microvolt = <3100000>; + }; + ldo6: ldo6 { regulator-boot-on; regulator-min-microvolt = <1200000>; @@ -329,6 +334,16 @@ ldo14: ldo14 { &twsi3 { status = "okay"; + + touchscreen@50 { + compatible = "imagis,ist3032c"; + reg = <0x50>; + interrupt-parent = <&gpio>; + interrupts = <72 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&ldo2>; + touchscreen-size-x = <480>; + touchscreen-size-y = <800>; + }; }; &usb { -- 2.50.1
