[PATCH v9 12/15] ARM: dts: aspeed: anacapa: Add NCT7363 fan controllers

Colin Huang u8813345 at gmail.com
Tue Sep 29 23:10:20 PDT 2026


From: Carl Lee <carl.lee at amd.com>

Add two NCT7363 fan-controller nodes on Anacapa I2C mux
channels and define their PWM/tach channel mappings.

This matches the fan-control hardware layout and allows the
kernel to probe the correct fan-controller devices.

Signed-off-by: Carl Lee <carl.lee at amd.com>
---
 .../aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi   | 102 +++++++++++++++++++++
 1 file changed, 102 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
index 5f849bd21fe0..f546a7b5786a 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
@@ -25,6 +25,52 @@
 &i2c8 {
 	i2c-mux at 72 {
 		i2c at 0 {
+			fanctl1: fan-controller at 21 {
+				compatible = "nuvoton,nct7363";
+				reg = <0x21>;
+				#pwm-cells = <2>;
+
+				fan-0 {
+					pwms = <&fanctl1 6 40000>;
+					tach-ch = /bits/ 8 <0x00>;
+				};
+
+				fan-2 {
+					pwms = <&fanctl1 9 40000>;
+					tach-ch = /bits/ 8 <0x02>;
+				};
+
+				fan-3 {
+					pwms = <&fanctl1 9 40000>;
+					tach-ch = /bits/ 8 <0x03>;
+				};
+
+				fan-5 {
+					pwms = <&fanctl1 12 40000>;
+					tach-ch = /bits/ 8 <0x05>;
+				};
+
+				fan-6 {
+					pwms = <&fanctl1 12 40000>;
+					tach-ch = /bits/ 8 <0x06>;
+				};
+
+				fan-9 {
+					pwms = <&fanctl1 0 40000>;
+					tach-ch = /bits/ 8 <0x09>;
+				};
+
+				fan-10 {
+					pwms = <&fanctl1 0 40000>;
+					tach-ch = /bits/ 8 <0x0a>;
+				};
+
+				fan-15 {
+					pwms = <&fanctl1 6 40000>;
+					tach-ch = /bits/ 8 <0x0f>;
+				};
+			};
+
 			gpio at 24 {
 				gpio-line-names =
 					"RPDB_EAM2_PRSNT_MOS_N_R", "RPDB_EAM3_PRSNT_MOS_N_R",
@@ -64,6 +110,62 @@ power-monitor at 45 {
 		};
 
 		i2c at 1 {
+			fanctl0: fan-controller at 23 {
+				compatible = "nuvoton,nct7363";
+				reg = <0x23>;
+				#pwm-cells = <2>;
+
+				fan-0 {
+					pwms = <&fanctl0 6 40000>;
+					tach-ch = /bits/ 8 <0x00>;
+				};
+
+				fan-2 {
+					pwms = <&fanctl0 9 40000>;
+					tach-ch = /bits/ 8 <0x02>;
+				};
+
+				fan-3 {
+					pwms = <&fanctl0 9 40000>;
+					tach-ch = /bits/ 8 <0x03>;
+				};
+
+				fan-5 {
+					pwms = <&fanctl0 12 40000>;
+					tach-ch = /bits/ 8 <0x05>;
+				};
+
+				fan-6 {
+					pwms = <&fanctl0 12 40000>;
+					tach-ch = /bits/ 8 <0x06>;
+				};
+
+				fan-9 {
+					pwms = <&fanctl0 0 40000>;
+					tach-ch = /bits/ 8 <0x09>;
+				};
+
+				fan-10 {
+					pwms = <&fanctl0 0 40000>;
+					tach-ch = /bits/ 8 <0x0a>;
+				};
+
+				fan-12 {
+					pwms = <&fanctl0 3 40000>;
+					tach-ch = /bits/ 8 <0x0c>;
+				};
+
+				fan-13 {
+					pwms = <&fanctl0 3 40000>;
+					tach-ch = /bits/ 8 <0x0d>;
+				};
+
+				fan-15 {
+					pwms = <&fanctl0 6 40000>;
+					tach-ch = /bits/ 8 <0x0f>;
+				};
+			};
+
 			gpio at 24 {
 				gpio-line-names =
 					"LPDB_P50V_FAN0_R2_PG","LPDB_P50V_FAN1_R2_PG",

-- 
2.34.1




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