ARM: STi: DT: add keyscan for stih416

Add keyscan support for stih416.
It is disabled by default given that it is not enabled on all boards.
Also there are PIOs conflict with already claimed lines.

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>

diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index aeea304086eb3b57c5682539643f0d6ca4540c0d..6252188e9a77f370c750a680f0671e7bf5738ef0 100644 (file)
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -122,6 +122,22 @@
                                };
                        };
 
+                       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/stih416.dtsi b/arch/arm/boot/dts/stih416.dtsi
index 78746d20382e3b653a1489decaf94602007b6e21..d3bc26360072fb795f29a8f4eceb2f81e331cf26 100644 (file)
--- a/arch/arm/boot/dts/stih416.dtsi
+++ b/arch/arm/boot/dts/stih416.dtsi
@@ -224,5 +224,17 @@
 
                        status = "disabled";
                };
+
+               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 STIH416_KEYSCAN_POWERDOWN>,
+                                 <&softreset STIH416_KEYSCAN_SOFTRESET>;
+               };
        };
 };