linux-kernel - [PATCH AUTOSEL 6.8 78/98] input/touchscreen: imagis: add support for IST3032C

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Message-ID: <20240329123919.3087149-78-sashal@kernel.org>
Date: Fri, 29 Mar 2024 08:37:49 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Karel Balej <balejk@...fyz.cz>,
	Markuss Broks <markuss.broks@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Sasha Levin <sashal@...nel.org>,
	linux-input@...r.kernel.org
Subject: [PATCH AUTOSEL 6.8 78/98] input/touchscreen: imagis: add support for IST3032C

From: Karel Balej <balejk@...fyz.cz>

[ Upstream commit 90cb57a6c5717b83a110c0da720a03ee32ed255e ]

IST3032C is a touchscreen chip used for instance in the
samsung,coreprimevelte smartphone, with which this was tested. Add the
chip specific information to the driver.

Reviewed-by: Markuss Broks <markuss.broks@...il.com>
Signed-off-by: Karel Balej <balejk@...fyz.cz>
Link: https://lore.kernel.org/r/20240301164659.13240-6-karelb@gimli.ms.mff.cuni.cz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/input/touchscreen/imagis.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c
index 9af8a6332ae67..e1fafa561ee38 100644
--- a/drivers/input/touchscreen/imagis.c
+++ b/drivers/input/touchscreen/imagis.c
@@ -11,6 +11,8 @@
 #include <linux/property.h>
 #include <linux/regulator/consumer.h>
 
+#define IST3032C_WHOAMI			0x32c
+
 #define IST3038B_REG_STATUS		0x20
 #define IST3038B_REG_CHIPID		0x30
 #define IST3038B_WHOAMI			0x30380b
@@ -363,6 +365,13 @@ static int imagis_resume(struct device *dev)
 
 static DEFINE_SIMPLE_DEV_PM_OPS(imagis_pm_ops, imagis_suspend, imagis_resume);
 
+static const struct imagis_properties imagis_3032c_data = {
+	.interrupt_msg_cmd = IST3038C_REG_INTR_MESSAGE,
+	.touch_coord_cmd = IST3038C_REG_TOUCH_COORD,
+	.whoami_cmd = IST3038C_REG_CHIPID,
+	.whoami_val = IST3032C_WHOAMI,
+};
+
 static const struct imagis_properties imagis_3038b_data = {
 	.interrupt_msg_cmd = IST3038B_REG_STATUS,
 	.touch_coord_cmd = IST3038B_REG_STATUS,
@@ -380,6 +389,7 @@ static const struct imagis_properties imagis_3038c_data = {
 
 #ifdef CONFIG_OF
 static const struct of_device_id imagis_of_match[] = {
+	{ .compatible = "imagis,ist3032c", .data = &imagis_3032c_data },
 	{ .compatible = "imagis,ist3038b", .data = &imagis_3038b_data },
 	{ .compatible = "imagis,ist3038c", .data = &imagis_3038c_data },
 	{ },
-- 
2.43.0