Message ID | 1507038902-15964-3-git-send-email-patrice.chotard@st.com |
---|---|
State | Accepted |
Commit | d8f69e563b0477dddeeedf89407d01d6df7e124e |
Delegated to: | Tom Rini |
Headers | show |
Series | Add MMC support for STM32H7 discovery and evaluation | expand |
On Tue, Oct 03, 2017 at 03:54:57PM +0200, patrice.chotard@st.com wrote: > From: Patrice Chotard <patrice.chotard@st.com> > > Add pinctrl and sdmmc nodes to add MMC support for > STM32H743 evaluation board. > > Evaluation board needs a second pinctrl node > "pinctrl_sdmmc1_level_shifter" to drive a level shifter > on MMC bus. > > Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Applied to u-boot/master, thanks!
diff --git a/arch/arm/dts/stm32h743-pinctrl.dtsi b/arch/arm/dts/stm32h743-pinctrl.dtsi index d6a79ae..e4f4aa5 100644 --- a/arch/arm/dts/stm32h743-pinctrl.dtsi +++ b/arch/arm/dts/stm32h743-pinctrl.dtsi @@ -259,6 +259,17 @@ bias-disable; }; }; + + pinctrl_sdmmc1_level_shifter: sdmmc0_ls@0 { + pins { + pinmux = <STM32H7_PB8_FUNC_SDMMC1_CKIN>, + <STM32H7_PB9_FUNC_SDMMC1_CDIR>, + <STM32H7_PC6_FUNC_SDMMC1_D0DIR>, + <STM32H7_PC7_FUNC_SDMMC1_D123DIR>; + drive-push-pull; + slew-rate = <3>; + }; + }; }; }; }; diff --git a/arch/arm/dts/stm32h743i-eval.dts b/arch/arm/dts/stm32h743i-eval.dts index 0e01ce5..28c876b 100644 --- a/arch/arm/dts/stm32h743i-eval.dts +++ b/arch/arm/dts/stm32h743i-eval.dts @@ -98,3 +98,12 @@ st,sdram-refcount = <1539>; }; }; + +&sdmmc1 { + status = "okay"; + pinctrl-0 = <&sdmmc1_pins>, + <&pinctrl_sdmmc1_level_shifter>; + pinctrl-names = "default"; + bus-width = <4>; + st,dirpol; +};