linux-kernel - [PATCH 1/2] input/touchscreen: imagis: add support for imagis IST3038H

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Message-ID: <20250224090354.102903-2-sebokandris2009@gmail.com>
Date: Mon, 24 Feb 2025 10:03:54 +0100
From: Andras Sebok <sebokandris2009@...il.com>
To: markuss.broks@...il.com,
	dmitry.torokhov@...il.com,
	linux-input@...r.kernel.org
Cc: phone-devel@...r.kernel.org,
	~postmarketos/upstreaming@...ts.sr.ht,
	linux-kernel@...r.kernel.org,
	Andras Sebok <sebokandris2009@...il.com>
Subject: [PATCH 1/2] input/touchscreen: imagis: add support for imagis IST3038H

Adds support for imagis IST3038H, simular to IST3038C.
Tested on samsung,j5y17lte.

Signed-off-by: Andras Sebok <sebokandris2009@...il.com>
---
 drivers/input/touchscreen/imagis.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c
index abeae9102323..3c8bbe284b73 100644
--- a/drivers/input/touchscreen/imagis.c
+++ b/drivers/input/touchscreen/imagis.c
@@ -22,6 +22,7 @@
 
 #define IST3032C_WHOAMI			0x32c
 #define IST3038C_WHOAMI			0x38c
+#define IST3038H_WHOAMI			0x38d
 
 #define IST3038B_REG_CHIPID		0x30
 #define IST3038B_WHOAMI			0x30380b
@@ -428,11 +429,19 @@ static const struct imagis_properties imagis_3038c_data = {
 	.protocol_b = true,
 };
 
+static const struct imagis_properties imagis_3038h_data = {
+	.interrupt_msg_cmd = IST3038C_REG_INTR_MESSAGE,
+	.touch_coord_cmd = IST3038C_REG_TOUCH_COORD,
+	.whoami_cmd = IST3038C_REG_CHIPID,
+	.whoami_val = IST3038H_WHOAMI,
+};
+
 static const struct of_device_id imagis_of_match[] = {
 	{ .compatible = "imagis,ist3032c", .data = &imagis_3032c_data },
 	{ .compatible = "imagis,ist3038", .data = &imagis_3038_data },
 	{ .compatible = "imagis,ist3038b", .data = &imagis_3038b_data },
 	{ .compatible = "imagis,ist3038c", .data = &imagis_3038c_data },
+	{ .compatible = "imagis,ist3038h", .data = &imagis_3038h_data },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, imagis_of_match);
-- 
2.48.1