RE: [PATCH 5/5] ARM: dts: stm32: add Fast Mode Plus info in I2C nodes of stm32mp151

From: Pierre Yves MORDRET
Date: Fri Jan 24 2020 - 03:57:38 EST


Ok pour la serie

-----Original Message-----
From: Alain VOLMAT <alain.volmat@xxxxxx>
Sent: jeudi 23 janvier 2020 17:13
To: wsa@xxxxxxxxxxxxx; robh+dt@xxxxxxxxxx
Cc: mark.rutland@xxxxxxx; Pierre Yves MORDRET <pierre-yves.mordret@xxxxxx>; mcoquelin.stm32@xxxxxxxxx; Alexandre TORGUE <alexandre.torgue@xxxxxx>; linux-i2c@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Fabrice GASNIER <fabrice.gasnier@xxxxxx>; Alain VOLMAT <alain.volmat@xxxxxx>
Subject: [PATCH 5/5] ARM: dts: stm32: add Fast Mode Plus info in I2C nodes of stm32mp151

Add the syscfg-fmp property in each i2c node in order to allow Fast Mode Plus speed if clock-frequency >= 1MHz is indicated.

Signed-off-by: Alain Volmat <alain.volmat@xxxxxx>
---
arch/arm/boot/dts/stm32mp151.dtsi | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 2dbf32ca9b36..ecd0a932aa78 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -483,6 +483,7 @@
resets = <&rcc I2C1_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x1>;
wakeup-source;
status = "disabled";
};
@@ -497,6 +498,7 @@
resets = <&rcc I2C2_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x2>;
wakeup-source;
status = "disabled";
};
@@ -511,6 +513,7 @@
resets = <&rcc I2C3_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x4>;
wakeup-source;
status = "disabled";
};
@@ -525,6 +528,7 @@
resets = <&rcc I2C5_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x10>;
wakeup-source;
status = "disabled";
};
@@ -1477,6 +1481,7 @@
resets = <&rcc I2C4_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x8>;
wakeup-source;
status = "disabled";
};
@@ -1513,6 +1518,7 @@
resets = <&rcc I2C6_R>;
#address-cells = <1>;
#size-cells = <0>;
+ st,syscfg-fmp = <&syscfg 0x4 0x20>;
wakeup-source;
status = "disabled";
};
--
2.7.4