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| author | Amelie Delaunay <amelie.delaunay@st.com> | 2018-05-17 16:21:00 +0200 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2018-07-13 13:57:02 +0200 |
| commit | 7e29ed4a970ca563693ff0dac21a63977c184ce4 (patch) | |
| tree | b46d21be09b96d7e2e5f00f9ae7d53aa7cd75d9f /arch/arm | |
| parent | ARM: dts: stm32: add SPI support on stm32mp157c (diff) | |
| download | linux-7e29ed4a970ca563693ff0dac21a63977c184ce4.tar.xz linux-7e29ed4a970ca563693ff0dac21a63977c184ce4.zip | |
ARM: dts: stm32: add SPI1 support on stm32mp157c-ev1
This patch adds SPI1 support on stm32mp157c-ev1 board.
SPI1 is available on GPIO expansion connector but kept disabled
so these pins can be used as GPIOs by default.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 16 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157c-ev1.dts | 6 |
2 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index a7125aecd1f7..28bad7401d2c 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -294,7 +294,6 @@ pins-are-numbered; interrupt-parent = <&exti>; st,syscfg = <&exti 0x60 0xff>; - status = "disabled"; gpioz: gpio@54004000 { gpio-controller; @@ -318,6 +317,21 @@ slew-rate = <0>; }; }; + + spi1_pins_a: spi1-0 { + pins1 { + pinmux = <STM32_PINMUX('Z', 0, AF5)>, /* SPI1_SCK */ + <STM32_PINMUX('Z', 2, AF5)>; /* SPI1_MOSI */ + bias-disable; + drive-push-pull; + slew-rate = <1>; + }; + + pins2 { + pinmux = <STM32_PINMUX('Z', 1, AF5)>; /* SPI1_MISO */ + bias-disable; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index 6cad8f175cdc..28284513d886 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -73,6 +73,12 @@ }; }; +&spi1 { + pinctrl-names = "default"; + pinctrl-0 = <&spi1_pins_a>; + status = "disabled"; +}; + &timers2 { status = "disabled"; pwm { |