arm64: dts: visconti: Add PWM support for TMPV7708 SoC

Add PWM node in TMPV7708's dtsi, and tmpv7708-rm-mbrc boards's dts.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
index bf0620a..29a4d9f 100644 (file)
--- a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
@@ -68,3 +68,11 @@
 &gpio {
        status = "okay";
 };
+
+&pwm_mux {
+       groups = "pwm0_gpio16_grp", "pwm1_gpio17_grp", "pwm2_gpio18_grp", "pwm3_gpio19_grp";
+};
+
+&pwm {
+       status = "okay";
+};

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
index 17934fd..4b4231f 100644 (file)
--- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
@@ -432,6 +432,15 @@
                        reg = <0 0x28330000 0 0x1000>;
                        status = "disabled";
                };
+
+               pwm: pwm@241c0000 {
+                       compatible = "toshiba,visconti-pwm";
+                       reg = <0 0x241c0000 0 0x1000>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pwm_mux>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
        };
 };
 

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi
index 34de000..a480c6b 100644 (file)
--- a/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi
@@ -90,4 +90,9 @@
                groups = "i2c8_grp";
                bias-pull-up;
        };
+
+       pwm_mux: pwm_mux {
+               function = "pwm";
+       };
+
 };