public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH v1] ARM: dts: aspeed: yosemite4: add I3C config in DTS
@ 2024-05-06 11:33 Delphine CC Chiu
  2024-05-06 15:38 ` Krzysztof Kozlowski
  2024-05-07 12:12 ` kernel test robot
  0 siblings, 2 replies; 4+ messages in thread
From: Delphine CC Chiu @ 2024-05-06 11:33 UTC (permalink / raw)
  To: patrick, joel, openbmc, Rob Herring, Krzysztof Kozlowski,
	Conor Dooley, Andrew Jeffery
  Cc: Delphine CC Chiu, devicetree, linux-arm-kernel, linux-aspeed,
	linux-kernel

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@wiwynn.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@0x70 {
+		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@0x70 {
+		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


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2024-05-17  2:35 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-05-06 11:33 [PATCH v1] ARM: dts: aspeed: yosemite4: add I3C config in DTS Delphine CC Chiu
2024-05-06 15:38 ` Krzysztof Kozlowski
2024-05-17  2:35   ` Delphine_CC_Chiu/WYHQ/Wiwynn
2024-05-07 12:12 ` kernel test robot

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox