[PATCH 2/3] ARM: dts: stm32: add SPI1 support on stm32mp157c-ev1

[Amelie Delaunay]

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.delau...@st.com>
---
 arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 16 +++++++++++++++-
 arch/arm/boot/dts/stm32mp157c-ev1.dts     |  6 ++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi 
b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index 88e9133..b35f151 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -277,7 +277,6 @@
                        compatible = "st,stm32mp157-z-pinctrl";
                        ranges = <0 0x54004000 0x400>;
                        pins-are-numbered;
-                       status = "disabled";
 
                        gpioz: gpio@54004000 {
                                gpio-controller;
@@ -301,6 +300,21 @@
                                        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 9382d80..7584e1f 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -67,6 +67,12 @@
        };
 };
 
+&spi1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&spi1_pins_a>;
+       status = "disabled";
+};
+
 &timers2 {
        status = "disabled";
        pwm {
-- 
2.7.4