[PATCH 2/4] ARM: dts: aspeed: Add Aspeed AST2600 PWM/Fan node in devicetree
Troy Lee
troy_lee at aspeedtech.com
Wed Dec 9 02:59:18 EST 2020
Create a common node in aspeed-g6.dtsi and add fan nodes for ast2600-evb
dts file.
Signed-off-by: Troy Lee <troy_lee at aspeedtech.com>
---
arch/arm/boot/dts/aspeed-ast2600-evb.dts | 149 +++++++++++++++++++++++
arch/arm/boot/dts/aspeed-g6.dtsi | 10 ++
2 files changed, 159 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index 89be13197780..51e00cf60749 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -23,6 +23,155 @@
};
};
+&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 at 0 {
+ reg = <0x00>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x00>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 1 {
+ reg = <0x01>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x01>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 2 {
+ reg = <0x02>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x02>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 3 {
+ reg = <0x03>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x03>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 4 {
+ reg = <0x04>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x04>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 5 {
+ reg = <0x05>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x05>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 6 {
+ reg = <0x06>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x06>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 7 {
+ reg = <0x07>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x07>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 8 {
+ reg = <0x08>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x08>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 9 {
+ reg = <0x09>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x09>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 10 {
+ reg = <0x0a>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 11 {
+ reg = <0x0b>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 12 {
+ reg = <0x0c>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 13 {
+ reg = <0x0d>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 14 {
+ reg = <0x0e>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
+ aspeed,pulse-pr = <2>;
+ };
+
+ fan at 15 {
+ reg = <0x0f>;
+ aspeed,pwm-freq = <25000>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0f>;
+ aspeed,pulse-pr = <2>;
+ };
+};
+
&mdio0 {
status = "okay";
diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index 97ca743363d7..7687d37bba26 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -298,6 +298,16 @@
#size-cells = <1>;
ranges;
+ pwm_tacho: pwm-tacho-controller at 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 at 1e6e2000 {
compatible = "aspeed,ast2600-scu", "syscon", "simple-mfd";
reg = <0x1e6e2000 0x1000>;
--
2.17.1
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