[PATCH] arm64: dts: visconti: Add PWM support for TMPV7708 SoC

From: Nobuhiro Iwamatsu
Date: Mon Jun 07 2021 - 20:52:28 EST


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

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts | 8 ++++++++
arch/arm64/boot/dts/toshiba/tmpv7708.dtsi | 9 +++++++++
arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi | 5 +++++
3 files changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
index bf0620afe117..29a4d9fc1e47 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
@@ -68,3 +68,11 @@ &wdt {
&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 17934fd9a14c..4b4231ff43cf 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
@@ -432,6 +432,15 @@ wdt: wdt@28330000 {
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 34de00015a7f..a480c6ba5f5d 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708_pins.dtsi
@@ -90,4 +90,9 @@ i2c8_pins: i2c8-pins {
groups = "i2c8_grp";
bias-pull-up;
};
+
+ pwm_mux: pwm_mux {
+ function = "pwm";
+ };
+
};
--
2.31.1