[PATCH v5] ARM: dts: aspeed: yosemite4: add I3C config in DTS

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: MarshallZhan-wiwynn <marshall_zhan@xxxxxxxxxx>

Set I3C config in yosemite4 DTS.

Test plan:
Tested PLDM GetTID successfully with the I3C hub driver.

Signed-off-by: MarshallZhan-wiwynn <marshall_zhan@xxxxxxxxxx>
Signed-off-by: Delphine CC Chiu <delphine_cc_chiu@xxxxxxxxxx>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts  | 86 +++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index 29f224bccd63..5dbfe073e536 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -1317,6 +1317,92 @@ eeprom@50 {
 	};
 };
 
+&i3c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i3c1_default>;
+	i3c-pp-scl-hi-period-ns = <40>;
+	i3c-pp-scl-lo-period-ns = <40>;
+	i3c-od-scl-hi-period-ns = <380>;
+	i3c-od-scl-lo-period-ns = <620>;
+	sda-tx-hold-ns = <10>;
+
+	mctp-controller;
+	hub@0x70 {
+		reg = <0x70 0x3c0 0x00700000>;
+		cp0-ldo-en = "disabled";
+		cp1-ldo-en = "disabled";
+		cp0-ldo-volt = "1.2V";
+		cp1-ldo-volt = "1.2V";
+		tp0145-ldo-en = "disabled";
+		tp2367-ldo-en = "disabled";
+		tp0145-ldo-volt = "1.2V";
+		tp2367-ldo-volt = "1.2V";
+		tp0145-pullup = "2k";
+		tp2367-pullup = "2k";
+
+		target-port@0 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@1 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@2 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@3 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+	};
+};
+
+&i3c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i3c2_default>;
+	i3c-pp-scl-hi-period-ns = <40>;
+	i3c-pp-scl-lo-period-ns = <40>;
+	i3c-od-scl-hi-period-ns = <380>;
+	i3c-od-scl-lo-period-ns = <620>;
+	sda-tx-hold-ns = <10>;
+
+	mctp-controller;
+	hub@0x70 {
+		reg = <0x70 0x3c0 0x00700000>;
+		cp0-ldo-en = "disabled";
+		cp1-ldo-en = "disabled";
+		cp0-ldo-volt = "1.2V";
+		cp1-ldo-volt = "1.2V";
+		tp0145-ldo-en = "disabled";
+		tp2367-ldo-en = "disabled";
+		tp0145-ldo-volt = "1.2V";
+		tp2367-ldo-volt = "1.2V";
+		tp0145-pullup = "2k";
+		tp2367-pullup = "2k";
+
+		target-port@0 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@1 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@2 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+		target-port@3 {
+			mode = "i3c";
+			pullup = "enabled";
+		};
+	};
+};
+
 &adc0 {
 	status = "okay";
 	pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
-- 
2.25.1





[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux