[PATCH v2 3/4] ARM: dts: aspeed: Add Aspeed AST2600 PWM/Fan node in devicetree

Troy Lee
2021-01-13T07:11:45Z

Create a common node in aspeed-g6.dtsi and add fan nodes for
aspeed-ast2600-evb.dts file.

Changes since v1:
- rename properties name in child node

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
---
arch/arm/boot/dts/aspeed-ast2600-evb.dts | 152 +++++++++++++++++++++++
arch/arm/boot/dts/aspeed-g6.dtsi | 10 ++
2 files changed, 162 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index 89be13197780..d94e70b957fb 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -23,6 +23,158 @@ memory@80000000 {
};
};

+&pwm_tacho {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_tach0_default
+ &pinctrl_pwm1_default &pinctrl_tach1_default
+ &pinctrl_pwm2_default &pinctrl_tach2_default
+ &pinctrl_pwm3_default &pinctrl_tach3_default
+ &pinctrl_pwm4_default &pinctrl_tach4_default
+ &pinctrl_pwm5_default &pinctrl_tach5_default
+ &pinctrl_pwm6_default &pinctrl_tach6_default
+ &pinctrl_pwm7_default &pinctrl_tach7_default
+ &pinctrl_pwm8g1_default &pinctrl_tach8_default
+ &pinctrl_pwm9g1_default &pinctrl_tach9_default
+ &pinctrl_pwm10g1_default &pinctrl_tach10_default
+ &pinctrl_pwm11g1_default &pinctrl_tach11_default
+ &pinctrl_pwm12g1_default &pinctrl_tach12_default
+ &pinctrl_pwm13g1_default &pinctrl_tach13_default
+ &pinctrl_pwm14g1_default &pinctrl_tach14_default
+ &pinctrl_pwm15g1_default &pinctrl_tach15_default>;
+
+ fan@1 {
+ reg = <0x00>;
+ aspeed,pwm-freq = <25000>;
+ aspeed,falling-point = /bits/ 8 <100>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x00>;
+ aspeed,tacho-div = <3>;
+ pulses-per-revolution = <1>;
+ };
+
+ fan@2 {
+ reg = <0x01>;
+ aspeed,pwm-freq = <25000>;
+ aspeed,falling-point = /bits/ 8 <100>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x01>;
+ pulses-per-revolution = <1>;
+ };
+
+ fan@3 {
+ reg = <0x02>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x02>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@4 {
+ reg = <0x03>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x03>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@5 {
+ reg = <0x04>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x04>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@6 {
+ reg = <0x05>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x05>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@7 {
+ reg = <0x06>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x06>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@8 {
+ reg = <0x07>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x07>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@9 {
+ reg = <0x08>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x08>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@10 {
+ reg = <0x09>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x09>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@11 {
+ reg = <0x0a>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0a>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@12 {
+ reg = <0x0b>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0b>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@13 {
+ reg = <0x0c>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0c>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@14 {
+ reg = <0x0d>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0d>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@15 {
+ reg = <0x0e>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0e>;
+ pulses-per-revolution = <2>;
+ };
+
+ fan@16 {
+ reg = <0x0f>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ fan-tach-ch = /bits/ 8 <0x0f>;
+ pulses-per-revolution = <2>;
+ };
+};
+
&mdio0 {
status = "okay";

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index 810b0676ab03..0369f8db123a 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -304,6 +304,16 @@ apb {
#size-cells = <1>;
ranges;

+ pwm_tacho: pwm-tacho-controller@1e610000 {
+ compatible = "aspeed,ast2600-pwm-tachometer";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1e610000 0x100>;
+ clocks = <&syscon ASPEED_CLK_AHB>;
+ resets = <&syscon ASPEED_RESET_PWM>;
+ status = "disabled";
+ };
+
syscon: syscon@1e6e2000 {
compatible = "aspeed,ast2600-scu", "syscon", "simple-mfd";
reg = <0x1e6e2000 0x1000>;
--
2.25.1