Re: [PATCH v1 1/2] dt-bindings: i2c-stm32: SYSCFG Fast Mode Plus support for I2C STM32F7
On Fri, 16 Nov 2018 13:20:21 +0100, Pierre-Yves MORDRET wrote: > Append optional bindings to update SYSCFG Fast Mode Plus bits if > Fast Mode Plus speed is selected. > > Signed-off-by: Pierre-Yves MORDRET > --- > Version history: > v1: >* Initial > --- > --- > Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring
Re: [PATCH v1 1/2] dt-bindings: i2c-stm32: SYSCFG Fast Mode Plus support for I2C STM32F7
On Fri, 16 Nov 2018 13:20:21 +0100, Pierre-Yves MORDRET wrote: > Append optional bindings to update SYSCFG Fast Mode Plus bits if > Fast Mode Plus speed is selected. > > Signed-off-by: Pierre-Yves MORDRET > --- > Version history: > v1: >* Initial > --- > --- > Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring
[PATCH v1 1/2] dt-bindings: i2c-stm32: SYSCFG Fast Mode Plus support for I2C STM32F7
Append optional bindings to update SYSCFG Fast Mode Plus bits if Fast Mode Plus speed is selected. Signed-off-by: Pierre-Yves MORDRET --- Version history: v1: * Initial --- --- Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt index 3b54899..69240e1 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt @@ -26,6 +26,11 @@ Optional properties : - i2c-scl-falling-time-ns : Only for STM32F7, I2C SCL Falling time for the board (default: 10) I2C Timings are derived from these 2 values +- st,syscfg-fmp: Only for STM32F7, use to set Fast Mode Plus bit within SYSCFG + whether Fast Mode Plus speed is selected by slave. + 1st cell : phandle to syscfg + 2nd cell : register offset within SYSCFG + 3rd cell : register bitmask for FMP bit Example : @@ -53,4 +58,5 @@ Example : clocks = < 1 CLK_I2C1>; pinctrl-0 = <_sda_pin>, <_scl_pin>; pinctrl-names = "default"; + st,syscfg-fmp = < 0x4 0x1>; }; -- 2.7.4
[PATCH v1 1/2] dt-bindings: i2c-stm32: SYSCFG Fast Mode Plus support for I2C STM32F7
Append optional bindings to update SYSCFG Fast Mode Plus bits if Fast Mode Plus speed is selected. Signed-off-by: Pierre-Yves MORDRET --- Version history: v1: * Initial --- --- Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt index 3b54899..69240e1 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt @@ -26,6 +26,11 @@ Optional properties : - i2c-scl-falling-time-ns : Only for STM32F7, I2C SCL Falling time for the board (default: 10) I2C Timings are derived from these 2 values +- st,syscfg-fmp: Only for STM32F7, use to set Fast Mode Plus bit within SYSCFG + whether Fast Mode Plus speed is selected by slave. + 1st cell : phandle to syscfg + 2nd cell : register offset within SYSCFG + 3rd cell : register bitmask for FMP bit Example : @@ -53,4 +58,5 @@ Example : clocks = < 1 CLK_I2C1>; pinctrl-0 = <_sda_pin>, <_scl_pin>; pinctrl-names = "default"; + st,syscfg-fmp = < 0x4 0x1>; }; -- 2.7.4
