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 f09fb10a3791a7e4fc238f4e47548fc7f86da705..caeac7e0c1f6ed1d877c187587dc1d19d30ae880 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 d89064c20c8a43ed3bdfd5e934526f72c5da5a54..ba0905c65527f1e74df9f9fea1ecf4be78792144 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>;
+               };
        };
 };