[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220721153455.3805586-3-alain.volmat@foss.st.com>
Date: Thu, 21 Jul 2022 17:34:55 +0200
From: Alain Volmat <alain.volmat@...s.st.com>
To: <alexandre.torgue@...s.st.com>
CC: <robh+dt@...nel.org>, <mcoquelin.stm32@...il.com>,
<krzysztof.kozlowski+dt@...aro.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<amelie.delaunay@...s.st.com>
Subject: [PATCH 2/2] ARM: dts: stm32: add pinctrl and disabled spi5 node in stm32mp135f-dk
Add pinctrl information and a disabled spi5 node within
stm32mp135f-dk.dts in order to use the spi5 bus which is
available via the GPIO expansion pins of the STM32MP135 Discovery board.
Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
arch/arm/boot/dts/stm32mp13-pinctrl.dtsi | 23 +++++++++++++++++++++++
arch/arm/boot/dts/stm32mp135f-dk.dts | 7 +++++++
2 files changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
index 749078ba9d42..efdd163eba30 100644
--- a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
@@ -142,6 +142,29 @@ pins {
};
};
+ spi5_pins_a: spi5-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('H', 7, AF6)>, /* SPI5_SCK */
+ <STM32_PINMUX('H', 3, AF5)>; /* SPI5_MOSI */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <1>;
+ };
+
+ pins2 {
+ pinmux = <STM32_PINMUX('A', 8, AF5)>; /* SPI5_MISO */
+ bias-disable;
+ };
+ };
+
+ spi5_sleep_pins_a: spi5-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('H', 7, ANALOG)>, /* SPI5_SCK */
+ <STM32_PINMUX('A', 8, ANALOG)>, /* SPI5_MISO */
+ <STM32_PINMUX('H', 3, ANALOG)>; /* SPI5_MOSI */
+ };
+ };
+
uart4_pins_a: uart4-0 {
pins1 {
pinmux = <STM32_PINMUX('D', 6, AF8)>; /* UART4_TX */
diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index 3e2823332d51..de341d17e87d 100644
--- a/arch/arm/boot/dts/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/stm32mp135f-dk.dts
@@ -116,6 +116,13 @@ &sdmmc1 {
status = "okay";
};
+&spi5 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi5_pins_a>;
+ pinctrl-1 = <&spi5_sleep_pins_a>;
+ status = "disabled";
+};
+
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pins_a>;
--
2.25.1
Powered by blists - more mailing lists