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[RESEND,2/2] ARM: dts: ti/omap: omap3-gta04: use proper touchscreen properties

Message ID 20241205204413.2466775-3-akemnade@kernel.org
State New
Headers show
Series ARM: ti/omap: gta04: properly specify GTA04 touchscreen properties | expand

Commit Message

akemnade@kernel.org Dec. 5, 2024, 8:44 p.m. UTC 
From: Andreas Kemnade <andreas@kemnade.info>

Specify the dimensions of the touchscreen propertly so that
no userspace configuration is needed for it.
Tested with x11 and weston on Debian bookworm.

What is in now is some debris from earlier tries to handle
scaling in kernel:

https://lore.kernel.org/linux-input/cover.1482936802.git.hns@goldelico.com/

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
 arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi b/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
index 2ee3ddd640209..ed728661e1895 100644
--- a/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
@@ -591,8 +591,10 @@  tsc2007@48 {
 		interrupts = <0 IRQ_TYPE_EDGE_FALLING>; /* GPIO_160 */
 		gpios = <&gpio6 0 GPIO_ACTIVE_LOW>;	/* GPIO_160 */
 		ti,x-plate-ohms = <600>;
-		touchscreen-size-x = <480>;
-		touchscreen-size-y = <640>;
+		touchscreen-size-x = <0xf00>;
+		touchscreen-size-y = <0xf00>;
+		touchscreen-min-x = <0x100>;
+		touchscreen-min-y = <0x100>;
 		touchscreen-max-pressure = <1000>;
 		touchscreen-fuzz-x = <3>;
 		touchscreen-fuzz-y = <8>;