linux-kernel - [PATCH v1] ARM: dts: aspeed: yosemite4: add I3C config in DTS

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Date: Mon,  6 May 2024 19:33:06 +0800
From: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To: patrick@...cx.xyz,
	joel@....id.au,
	openbmc@...ts.ozlabs.org,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andrew Jeffery <andrew@...econstruct.com.au>
Cc: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] ARM: dts: aspeed: yosemite4: add I3C config in DTS

Set I3C config in yosemite4 DTS.

Test plan:
Tested with aspeed I3C patches and I3C hub driver.

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../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 64075cc41d92..6a30c424d745 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -595,6 +595,92 @@ i2c-mux@72 {
 	};
 };
 
+&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@...0 {
+		reg = <0x70 0x3c0 0x00700000>;
+		cp0-ldo-en = "enabled";
+		cp1-ldo-en = "enabled";
+		cp0-ldo-volt = "1.2V";
+		cp1-ldo-volt = "1.2V";
+		tp0145-ldo-en = "enabled";
+		tp2367-ldo-en = "enabled";
+		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@...0 {
+		reg = <0x70 0x3c0 0x00700000>;
+		cp0-ldo-en = "enabled";
+		cp1-ldo-en = "enabled";
+		cp0-ldo-volt = "1.2V";
+		cp1-ldo-volt = "1.2V";
+		tp0145-ldo-en = "enabled";
+		tp2367-ldo-en = "enabled";
+		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 {
 	ref_voltage = <2500>;
 	status = "okay";
-- 
2.25.1