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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>
This commit is contained in:
Amelie Delaunay 2018-05-17 16:21:00 +02:00 committed by Alexandre Torgue
parent dc3f8c86c1
commit 7e29ed4a97
2 changed files with 21 additions and 1 deletions
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16
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
View File

@ -294,7 +294,6 @@ pinctrl_z: pin-controller-z@54004000 {
pins-are-numbered;
interrupt-parent = <&exti>;
st,syscfg = <&exti 0x60 0xff>;
status = "disabled";
gpioz: gpio@54004000 {
gpio-controller;
@ -318,6 +317,21 @@ pins {
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;
};
};
};
};
};

6
arch/arm/boot/dts/stm32mp157c-ev1.dts
View File

@ -73,6 +73,12 @@ flash1: mx66l51235l@1 {
};
};
&spi1 {
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins_a>;
status = "disabled";
};
&timers2 {
status = "disabled";
pwm {