linux-kernel - [PATCH v4 5/5] iio: accel: mc3230: add mc3510c support

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Message-Id: <20250113-mainlining-mc3510c-v4-5-4118411ef569@gmail.com>
Date: Mon, 13 Jan 2025 17:02:04 +0300
From: Vasiliy Doylov via B4 Relay <devnull+nekodevelopper.gmail.com@...nel.org>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Vasiliy Doylov <nekodevelopper@...il.com>
Subject: [PATCH v4 5/5] iio: accel: mc3230: add mc3510c support

From: Vasiliy Doylov <nekodevelopper@...il.com>

This change integrates mc3510c support into the mc3230 driver.
MC3510C uses the same registers as MC3230, but a different value scale.

Tested on Huawei MediaPad T3 10 (huawei-agassi)

Signed-off-by: Vasiliy Doylov <nekodevelopper@...il.com>
---
 drivers/iio/accel/mc3230.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/iio/accel/mc3230.c b/drivers/iio/accel/mc3230.c
index c8d394c3ecf08fad60f0f2ae7be6fd992327d843..e2853090fa6e15f4dd74e996fae8520b30471d3b 100644
--- a/drivers/iio/accel/mc3230.c
+++ b/drivers/iio/accel/mc3230.c
@@ -46,6 +46,14 @@ static const struct mc3230_chip_info mc3230_chip_info = {
 	.scale = 115411765,
 };
 
+static const struct mc3230_chip_info mc3510c_chip_info = {
+	.name = "mc3510c",
+	.chip_id = 0x23,
+	.product_code = 0x10,
+	/* Was obtained empirically */
+	.scale = 625000000,
+};
+
 #define MC3230_CHANNEL(reg, axis) {	\
 	.type = IIO_ACCEL,	\
 	.address = reg,	\
@@ -225,12 +233,14 @@ static DEFINE_SIMPLE_DEV_PM_OPS(mc3230_pm_ops, mc3230_suspend, mc3230_resume);
 
 static const struct i2c_device_id mc3230_i2c_id[] = {
 	{ "mc3230", (kernel_ulong_t)&mc3230_chip_info },
+	{ "mc3510c", (kernel_ulong_t)&mc3510c_chip_info },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, mc3230_i2c_id);
 
 static const struct of_device_id mc3230_of_match[] = {
 	{ .compatible = "mcube,mc3230", &mc3230_chip_info },
+	{ .compatible = "mcube,mc3510c", &mc3510c_chip_info },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mc3230_of_match);

-- 
2.47.1