[PATCH 2/2] ARM: dts: r8a7779: Add PWM support
Geert Uytterhoeven
geert+renesas at glider.be
Mon Mar 20 09:30:06 PDT 2023
Add support for the 7 PWM channels provided by PWM Timers on R-Car
H1, by describing the PWM Timers and their module clock.
Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
arch/arm/boot/dts/r8a7779.dtsi | 91 +++++++++++++++++++++++++++++-----
1 file changed, 78 insertions(+), 13 deletions(-)
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 39fc58f32df61b9a..97b767d81d926049 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -324,6 +324,69 @@ hscif1: serial at ffe49000 {
status = "disabled";
};
+ pwm0: pwm at ffe50000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe50000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm1: pwm at ffe51000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe51000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm2: pwm at ffe52000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe52000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm3: pwm at ffe53000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe53000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm4: pwm at ffe54000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe54000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm5: pwm at ffe55000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe55000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
+ pwm6: pwm at ffe56000 {
+ compatible = "renesas,pwm-r8a7779", "renesas,pwm-rcar";
+ reg = <0xffe56000 0x8>;
+ clocks = <&mstp0_clks R8A7779_CLK_PWM>;
+ power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
pfc: pinctrl at fffc0000 {
compatible = "renesas,pfc-r8a7779";
reg = <0xfffc0000 0x23c>;
@@ -554,7 +617,8 @@ mstp0_clks: clocks at ffc80030 {
compatible = "renesas,r8a7779-mstp-clocks",
"renesas,cpg-mstp-clocks";
reg = <0xffc80030 4>;
- clocks = <&cpg_clocks R8A7779_CLK_S>,
+ clocks = <&cpg_clocks R8A7779_CLK_P>,
+ <&cpg_clocks R8A7779_CLK_S>,
<&cpg_clocks R8A7779_CLK_P>,
<&cpg_clocks R8A7779_CLK_P>,
<&cpg_clocks R8A7779_CLK_P>,
@@ -572,20 +636,21 @@ mstp0_clks: clocks at ffc80030 {
<&cpg_clocks R8A7779_CLK_P>;
#clock-cells = <1>;
clock-indices = <
- R8A7779_CLK_HSPI R8A7779_CLK_TMU2
- R8A7779_CLK_TMU1 R8A7779_CLK_TMU0
- R8A7779_CLK_HSCIF1 R8A7779_CLK_HSCIF0
- R8A7779_CLK_SCIF5 R8A7779_CLK_SCIF4
- R8A7779_CLK_SCIF3 R8A7779_CLK_SCIF2
- R8A7779_CLK_SCIF1 R8A7779_CLK_SCIF0
- R8A7779_CLK_I2C3 R8A7779_CLK_I2C2
- R8A7779_CLK_I2C1 R8A7779_CLK_I2C0
+ R8A7779_CLK_PWM R8A7779_CLK_HSPI
+ R8A7779_CLK_TMU2 R8A7779_CLK_TMU1
+ R8A7779_CLK_TMU0 R8A7779_CLK_HSCIF1
+ R8A7779_CLK_HSCIF0 R8A7779_CLK_SCIF5
+ R8A7779_CLK_SCIF4 R8A7779_CLK_SCIF3
+ R8A7779_CLK_SCIF2 R8A7779_CLK_SCIF1
+ R8A7779_CLK_SCIF0 R8A7779_CLK_I2C3
+ R8A7779_CLK_I2C2 R8A7779_CLK_I2C1
+ R8A7779_CLK_I2C0
>;
clock-output-names =
- "hspi", "tmu2", "tmu1", "tmu0", "hscif1",
- "hscif0", "scif5", "scif4", "scif3", "scif2",
- "scif1", "scif0", "i2c3", "i2c2", "i2c1",
- "i2c0";
+ "pwm", "hspi", "tmu2", "tmu1", "tmu0",
+ "hscif1", "hscif0", "scif5", "scif4", "scif3",
+ "scif2", "scif1", "scif0", "i2c3", "i2c2",
+ "i2c1", "i2c0";
};
mstp1_clks: clocks at ffc80034 {
compatible = "renesas,r8a7779-mstp-clocks",
--
2.34.1
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