[PATCH v1 4/8] ARM: dts: aspeed: yosemite4: Revise address of i2c-mux for two fan boards
Andrew Jeffery
andrew at codeconstruct.com.au
Tue Oct 1 10:39:22 AEST 2024
On Mon, 2024-09-30 at 15:04 +0800, Delphine CC Chiu wrote:
> From: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
>
> Change the address of the I2C mux for two fan boards to 0x74
> according to schematic.
>
> Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn at gmail.com>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu at wiwynn.com>
> ---
> .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 80 ++++++++++---------
> 1 file changed, 43 insertions(+), 37 deletions(-)
>
> 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 26e0fcbed8d2..ecf012c9cbbc 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -32,6 +32,8 @@ aliases {
> i2c27 = &imux27;
> i2c28 = &imux28;
> i2c29 = &imux29;
> + i2c30 = &imux30;
> + i2c31 = &imux31;
> i2c34 = &imux34;
> i2c35 = &imux35;
> };
> @@ -1062,6 +1064,8 @@ gpio at 23 {
> };
>
> &i2c14 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> status = "okay";
> bus-frequency = <400000>;
> adc at 1d {
> @@ -1122,20 +1126,50 @@ eeprom at 51 {
> reg = <0x51>;
> };
>
> - i2c-mux at 71 {
> - compatible = "nxp,pca9846";
> + i2c-mux at 73 {
> + compatible = "nxp,pca9544";
> #address-cells = <1>;
> #size-cells = <0>;
>
> idle-state = <0>;
> i2c-mux-idle-disconnect;
> - reg = <0x71>;
> + reg = <0x73>;
>
> i2c at 0 {
> #address-cells = <1>;
> #size-cells = <0>;
> reg = <0>;
>
> + adc at 35 {
> + compatible = "maxim,max11617";
> + reg = <0x35>;
> + };
> + };
> +
> + i2c at 1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + adc at 35 {
> + compatible = "maxim,max11617";
> + reg = <0x35>;
> + };
> + };
> + };
> +
> + i2c-mux at 74 {
> + compatible = "nxp,pca9546";
> + reg = <0x74>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + i2c-mux-idle-disconnect;
> +
> + imux30: i2c at 0 {
> + reg = <0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> adc at 1f {
> compatible = "ti,adc128d818";
> reg = <0x1f>;
> @@ -1152,6 +1186,8 @@ pwm at 20{
> gpio at 22{
> compatible = "ti,tca6424";
> reg = <0x22>;
> + gpio-controller;
> + #gpio-cells = <2>;
This seems unrelated. Such changes should be in their own patch with a
`Fixes:` tag.
> };
>
> pwm at 23{
> @@ -1181,10 +1217,10 @@ gpio at 61 {
> };
> };
>
> - i2c at 1 {
> + imux31: i2c at 1 {
> + reg = <1>;
> #address-cells = <1>;
> #size-cells = <0>;
> - reg = <0>;
>
> adc at 1f {
> compatible = "ti,adc128d818";
> @@ -1202,6 +1238,8 @@ pwm at 20{
> gpio at 22{
> compatible = "ti,tca6424";
> reg = <0x22>;
> + gpio-controller;
> + #gpio-cells = <2>;
This should go in the same patch as the instance above.
> };
>
> pwm at 23{
> @@ -1231,38 +1269,6 @@ gpio at 61 {
> };
> };
> };
> -
> - i2c-mux at 73 {
> - compatible = "nxp,pca9544";
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - idle-state = <0>;
> - i2c-mux-idle-disconnect;
> - reg = <0x73>;
> -
> - i2c at 0 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - reg = <0>;
> -
> - adc at 35 {
> - compatible = "maxim,max11617";
> - reg = <0x35>;
> - };
> - };
> -
> - i2c at 1 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - reg = <0>;
> -
> - adc at 35 {
> - compatible = "maxim,max11617";
> - reg = <0x35>;
> - };
> - };
> - };
> };
>
> &i2c15 {
More information about the Linux-aspeed
mailing list