| Message ID | 1542370822-14721-2-git-send-email-pierre-yves.mordret@st.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | SYSCFG Fast Mode Plus support for I2C STM32F7 | expand |
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 <pierre-yves.mordret@st.com> > --- > Version history: > v1: > * Initial > --- > --- > Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
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 = <&rcc 1 CLK_I2C1>; pinctrl-0 = <&i2c1_sda_pin>, <&i2c1_scl_pin>; pinctrl-names = "default"; + st,syscfg-fmp = <&syscfg 0x4 0x1>; };
Append optional bindings to update SYSCFG Fast Mode Plus bits if Fast Mode Plus speed is selected. Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> --- Version history: v1: * Initial --- --- Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 6 ++++++ 1 file changed, 6 insertions(+)