ARM: STi: DT: add keyscan for stih415

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.

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/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index f09fb10..caeac7e 100644 (file)
--- 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 (file)
--- 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>;
+               };
        };
 };