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authorPatrick Delaunay2019-04-12 14:38:28 +0200
committerPatrick Delaunay2019-04-12 16:09:13 +0200
commit1258e4667a1d3db067158091828b64babf13d069 (patch)
tree72ab48ee528b3f1f076839a18a068bef086ba489
parent8b4afe8070ebc0aed60210c16449385e34481e1b (diff)
ARM: dts: Add STMFX gpio expander support for stm32mp157c-ev1
Adds alias to set the pincontrol seq id. For STMFX gpio expander, force sequence number after the last bank (GPIOZ) to avoid conflict between STM32MP and STMFX gpio bank sequence number. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
-rw-r--r--arch/arm/dts/stm32mp157-u-boot.dtsi2
-rw-r--r--arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi2
-rw-r--r--arch/arm/dts/stm32mp157c-ev1.dts18
3 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32mp157-u-boot.dtsi b/arch/arm/dts/stm32mp157-u-boot.dtsi
index 2594702c926..ab6f673ea24 100644
--- a/arch/arm/dts/stm32mp157-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157-u-boot.dtsi
@@ -17,6 +17,8 @@
gpio9 = &gpioj;
gpio10 = &gpiok;
gpio25 = &gpioz;
+ pinctrl0 = &pinctrl;
+ pinctrl1 = &pinctrl_z;
};
config {
diff --git a/arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi b/arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
index be3b1526288..6a18d032ae5 100644
--- a/arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
@@ -7,8 +7,10 @@
/ {
aliases {
+ gpio26 = &stmfx_pinctrl;
i2c1 = &i2c2;
i2c4 = &i2c5;
+ pinctrl2 = &stmfx_pinctrl;
spi0 = &qspi;
};
};
diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts
index e114c9b628b..a6ee37924fe 100644
--- a/arch/arm/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/dts/stm32mp157c-ev1.dts
@@ -98,6 +98,24 @@
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
status = "okay";
+
+ stmfx: stmfx@42 {
+ compatible = "st,stmfx-0300";
+ reg = <0x42>;
+ interrupts = <8 IRQ_TYPE_EDGE_RISING>;
+ interrupt-parent = <&gpioi>;
+ vdd-supply = <&v3v3>;
+
+ stmfx_pinctrl: stmfx-pin-controller {
+ compatible = "st,stmfx-0300-pinctrl";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-ranges = <&stmfx_pinctrl 0 0 24>;
+ status = "disabled";
+ };
+ };
};
&i2c5 {