2020-01-23 16:15:48

by Alain Volmat

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 <[email protected]>
---
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

2020-01-24 09:28:45

by Pierre-Yves MORDRET

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

Ok pour la serie

-----Original Message-----
From: Alain VOLMAT <[email protected]>
Sent: jeudi 23 janvier 2020 17:13
To: [email protected]; [email protected]
Cc: [email protected]; Pierre Yves MORDRET <[email protected]>; [email protected]; Alexandre TORGUE <[email protected]>; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Fabrice GASNIER <[email protected]>; Alain VOLMAT <[email protected]>
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 <[email protected]>
---
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