Define an I2C alias port from I2C Switch 0x70 at I2C5.
Add the OCP device temperature sensor via I2C alias port
as a tmp421 sensor.
Signed-off-by: Chanh Nguyen <chanh@xxxxxxxxxxxxxxxxxxxxxx>
---
.../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 16 ++++++++++
.../boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 29 +++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
index 0a51d2e32fab..b93339ed61c0 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
@@ -49,6 +49,11 @@
*/
i2c80 = &nvme_m2_0;
i2c81 = &nvme_m2_1;
+
+ /*
+ * i2c bus 82 assigned to OCP slot
+ */
+ i2c82 = &ocpslot;
};
chosen {
@@ -420,6 +425,17 @@
reg = <0x70>;
i2c-mux-idle-disconnect;
+ ocpslot: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0>;
+
+ ocp_temp: temperature-sensor@1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+ };
+
nvmeslot_0_7: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
index 4b91600eaf62..c832b8ae5999 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
@@ -10,6 +10,14 @@
model = "Ampere Mt.Mitchell BMC";
compatible = "ampere,mtmitchell-bmc", "aspeed,ast2600";
+ aliases {
+ /*
+ * i2c bus 30-31 assigned to OCP slot 0-1
+ */
+ i2c30 = &ocpslot_0;
+ i2c31 = &ocpslot_1;
+ };
+
chosen {
stdout-path = &uart5;
};
@@ -424,6 +432,27 @@
#size-cells = <0>;
reg = <0x70>;
i2c-mux-idle-disconnect;
+
+ ocpslot_0: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0>;
+
+ ocpslot_0_temp: temperature-sensor@1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+ };
+ ocpslot_1: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x1>;
+
+ ocpslot_1_temp: temperature-sensor@1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+ };
};
};
--
2.17.1
