linux-kernel - [PATCH v1 2/2] extcon: sm5502: Add support for SM5703

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Date:   Sat, 12 Mar 2022 20:41:54 +0200
From:   Markuss Broks <markuss.broks@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     phone-devel@...r.kernel.org, ~postmarketos-upstreaming@...ts.sr.ht,
        Markuss Broks <markuss.broks@...il.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        devicetree@...r.kernel.org
Subject: [PATCH v1 2/2] extcon: sm5502: Add support for SM5703

SM5703 is another MFD from Silicon Mitus which has a very similar MUIC
unit to the one in SM5502. The only difference I've noticed is slightly different
configuration only enables the interrupts which are exactly the same as on SM5502.
If we make use of different interrupts in the future, this can be improved by having
a separate struct for SM5703, but the main functionality (detecting cable or OTG adapter)
is working properly.

Signed-off-by: Markuss Broks <markuss.broks@...il.com>
---
 drivers/extcon/Kconfig         | 2 +-
 drivers/extcon/extcon-sm5502.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 0d42e49105dd..88a8b3d7d78a 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -156,7 +156,7 @@ config EXTCON_RT8973A
 	  from abnormal high input voltage (up to 28V).
 
 config EXTCON_SM5502
-	tristate "Silicon Mitus SM5502/SM5504 EXTCON support"
+	tristate "Silicon Mitus SM5502/SM5504/SM5703 EXTCON support"
 	depends on I2C
 	select IRQ_DOMAIN
 	select REGMAP_I2C
diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
index 93da2d8379b1..17a40c3782ee 100644
--- a/drivers/extcon/extcon-sm5502.c
+++ b/drivers/extcon/extcon-sm5502.c
@@ -798,6 +798,7 @@ static const struct sm5502_type sm5504_data = {
 static const struct of_device_id sm5502_dt_match[] = {
 	{ .compatible = "siliconmitus,sm5502-muic", .data = &sm5502_data },
 	{ .compatible = "siliconmitus,sm5504-muic", .data = &sm5504_data },
+	{ .compatible = "siliconmitus,sm5703-muic", .data = &sm5502_data },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, sm5502_dt_match);
@@ -830,6 +831,7 @@ static SIMPLE_DEV_PM_OPS(sm5502_muic_pm_ops,
 static const struct i2c_device_id sm5502_i2c_id[] = {
 	{ "sm5502", (kernel_ulong_t)&sm5502_data },
 	{ "sm5504", (kernel_ulong_t)&sm5504_data },
+	{ "sm5703", (kernel_ulong_t)&sm5502_data },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, sm5502_i2c_id);
-- 
2.35.1