diff options
| author | Patrice Chotard | 2017-10-03 15:54:56 +0200 |
|---|---|---|
| committer | Tom Rini | 2017-10-08 16:19:56 -0400 |
| commit | eccac3e12030e501fdbc780f7f0ef85e0dc01ca2 (patch) | |
| tree | 7cd4ef2b5942edf2430c2383dbb7530f353a336e /arch | |
| parent | ca4abdcdfa8b2ff30d86e93294a38e3fbaaef242 (diff) | |
ARM: DTS: stm32: add SDMMC support for stm32h743 disco
Add pinctrl and sdmmc nodes to add MMC support for
STM32H743 discovery board.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/stm32h743-pinctrl.dtsi | 15 | ||||
| -rw-r--r-- | arch/arm/dts/stm32h743.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm/dts/stm32h743i-disco.dts | 9 |
3 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32h743-pinctrl.dtsi b/arch/arm/dts/stm32h743-pinctrl.dtsi index d3e11d53ab4..d6a79aefb4c 100644 --- a/arch/arm/dts/stm32h743-pinctrl.dtsi +++ b/arch/arm/dts/stm32h743-pinctrl.dtsi @@ -244,6 +244,21 @@ slew-rate = <3>; }; }; + + sdmmc1_pins: sdmmc@0 { + pins { + pinmux = <STM32H7_PC8_FUNC_SDMMC1_D0>, + <STM32H7_PC9_FUNC_SDMMC1_D1>, + <STM32H7_PC10_FUNC_SDMMC1_D2>, + <STM32H7_PC11_FUNC_SDMMC1_D3>, + <STM32H7_PC12_FUNC_SDMMC1_CK>, + <STM32H7_PD2_FUNC_SDMMC1_CMD>; + + slew-rate = <3>; + drive-push-pull; + bias-disable; + }; + }; }; }; }; diff --git a/arch/arm/dts/stm32h743.dtsi b/arch/arm/dts/stm32h743.dtsi index a413866bf6d..d5b8d879ee2 100644 --- a/arch/arm/dts/stm32h743.dtsi +++ b/arch/arm/dts/stm32h743.dtsi @@ -43,6 +43,7 @@ #include "skeleton.dtsi" #include "armv7-m.dtsi" #include <dt-bindings/clock/stm32h7-clks.h> +#include <dt-bindings/mfd/stm32h7-rcc.h> / { clocks { @@ -120,6 +121,18 @@ compatible = "fixed-clock"; clock-frequency = <4000000>; }; + + sdmmc1: sdmmc@52007000 { + compatible = "st,stm32-sdmmc2"; + reg = <0x52007000 0x1000>; + interrupts = <49>; + clocks = <&rcc SDMMC1_CK>; + resets = <&rcc STM32H7_AHB3_RESET(SDMMC1)>; + st,idma = <1>; + cap-sd-highspeed; + cap-mmc-highspeed; + status = "disabled"; + }; }; }; diff --git a/arch/arm/dts/stm32h743i-disco.dts b/arch/arm/dts/stm32h743i-disco.dts index bef7e90f206..917a859a09f 100644 --- a/arch/arm/dts/stm32h743i-disco.dts +++ b/arch/arm/dts/stm32h743i-disco.dts @@ -60,6 +60,7 @@ aliases { serial0 = &usart2; + mmc0 = &sdmmc1; gpio0 = &gpioa; gpio1 = &gpiob; gpio2 = &gpioc; @@ -98,3 +99,11 @@ st,sdram-refcount = <1539>; }; }; + +&sdmmc1 { + status = "okay"; + pinctrl-0 = <&sdmmc1_pins>; + pinctrl-names = "default"; + bus-width = <4>; + cd-gpios = <&gpioi 8 1>; +}; |