ARM: dts: stm32: add SPI1 support on stm32mp157c-ev1 (7e29ed4a) · Commits · 戴 / test

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>

arch/arm/boot/dts/stm32mp157-pinctrl.dtsi

+15 −1

Original line number	Diff line number	Diff line
		@@ -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;
		};
		};
		};
		};
		};

arch/arm/boot/dts/stm32mp157c-ev1.dts

+6 −0

Original line number	Diff line number	Diff line
		@@ -73,6 +73,12 @@
		};
		};

		&spi1 {
		pinctrl-names = "default";
		pinctrl-0 = <&spi1_pins_a>;
		status = "disabled";
		};

		&timers2 {
		status = "disabled";
		pwm {

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