Add keyscan support for stih415.
It is put disabled by default because it is not enabled on all boards
Also there are PIOs conflict with already claimed lines.
Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@xxxxxx>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxx>
---
arch/arm/boot/dts/stih415-pinctrl.dtsi | 16 ++++++++++++++++
arch/arm/boot/dts/stih415.dtsi | 12 ++++++++++++
2 files changed, 28 insertions(+)
diff --git a/arch/arm/boot/dts/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index f09fb10..caeac7e 100644
--- a/arch/arm/boot/dts/stih415-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih415-pinctrl.dtsi
@@ -102,6 +102,22 @@
};
};
+ keyscan {
+ pinctrl_keyscan: keyscan {
+ st,pins {
+ keyin0 = <&PIO0 2 ALT2 IN>;
+ keyin1 = <&PIO0 3 ALT2 IN>;
+ keyin2 = <&PIO0 4 ALT2 IN>;
+ keyin3 = <&PIO2 6 ALT2 IN>;
+
+ keyout0 = <&PIO1 6 ALT2 OUT>;
+ keyout1 = <&PIO1 7 ALT2 OUT>;
+ keyout2 = <&PIO0 6 ALT2 OUT>;
+ keyout3 = <&PIO2 7 ALT2 OUT>;
+ };
+ };
+ };
+
sbc_i2c0 {
pinctrl_sbc_i2c0_default: sbc_i2c0-default {
st,pins {
diff --git a/arch/arm/boot/dts/stih415.dtsi b/arch/arm/boot/dts/stih415.dtsi
index d89064c..ba0905c 100644
--- a/arch/arm/boot/dts/stih415.dtsi
+++ b/arch/arm/boot/dts/stih415.dtsi
@@ -206,5 +206,17 @@
pinctrl-0 = <&pinctrl_ir>;
resets = <&softreset STIH415_IRB_SOFTRESET>;
};
+
+ keyscan: keyscan@fe4b0000 {
+ compatible = "st,sti-keyscan";
+ status = "disabled";
+ reg = <0xfe4b0000 0x2000>;
+ interrupts = <GIC_SPI 212 IRQ_TYPE_NONE>;
+ clocks = <&CLK_SYSIN>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_keyscan>;
+ resets = <&powerdown STIH415_KEYSCAN_POWERDOWN>,
+ <&softreset STIH415_KEYSCAN_SOFTRESET>;
+ };
};
};
--
1.9.1
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