linux-kernel - [PATCH v2 2/2] i2c: stm32: add support for the STM32MP13 soc

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Message-ID: <20220707074402.2429786-3-alain.volmat@foss.st.com>
Date:   Thu, 7 Jul 2022 09:44:02 +0200
From:   Alain Volmat <alain.volmat@...s.st.com>
To:     <wsa@...nel.org>, <robh+dt@...nel.org>
CC:     <mark.rutland@....com>, <pierre-yves.mordret@...s.st.com>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...s.st.com>,
        <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <fabrice.gasnier@...s.st.com>,
        <amelie.delaunay@...s.st.com>, <alain.volmat@...s.st.com>
Subject: [PATCH v2 2/2] i2c: stm32: add support for the STM32MP13 soc

Add a new compatible for the stm32mp13.  Fast Mode Plus control
register address differ from the one for STM32MP15.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@...s.st.com>
---
 drivers/i2c/busses/i2c-stm32f7.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 6d4aa64b195d..d1c59d83a65b 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -410,6 +410,12 @@ static const struct stm32f7_i2c_setup stm32mp15_setup = {
 	.fmp_clr_offset = 0x40,
 };
 
+static const struct stm32f7_i2c_setup stm32mp13_setup = {
+	.rise_time = STM32F7_I2C_RISE_TIME_DEFAULT,
+	.fall_time = STM32F7_I2C_FALL_TIME_DEFAULT,
+	.fmp_clr_offset = 0x4,
+};
+
 static inline void stm32f7_i2c_set_bits(void __iomem *reg, u32 mask)
 {
 	writel_relaxed(readl_relaxed(reg) | mask, reg);
@@ -2468,6 +2474,7 @@ static const struct dev_pm_ops stm32f7_i2c_pm_ops = {
 static const struct of_device_id stm32f7_i2c_match[] = {
 	{ .compatible = "st,stm32f7-i2c", .data = &stm32f7_setup},
 	{ .compatible = "st,stm32mp15-i2c", .data = &stm32mp15_setup},
+	{ .compatible = "st,stm32mp13-i2c", .data = &stm32mp13_setup},
 	{},
 };
 MODULE_DEVICE_TABLE(of, stm32f7_i2c_match);
-- 
2.25.1