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

From: Delphine CC Chiu
Date: Mon May 06 2024 - 07:33:38 EST


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@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 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