On 7/23/19, 3:34 PM, "Joel Stanley" <joel at jms.id.au> wrote:
On Tue, 23 Jul 2019 at 17:22, Vijay Khemka <vijaykhemka at fb.com> wrote:
>
> Team,
> This patch also needs review. I separated first patch with v2 and that was acked. Please review this as well.
Do you have a coworker who has access to the schematics and can review
the device tree? They would make a great reviewer.
Thanks Joel, Please see there is v2 for this and I will ask coworker to review.
If no reviewer steps forward I will merge it next time I'm merging patches.
Cheers,
Joel
>
> Regards
> -Vijay
>
> On 7/22/19, 12:41 PM, "Vijay Khemka" <vijaykhemka at fb.com> wrote:
>
> Added i2c mux for riser card and multiple ava card and its sensor
> components for Facebook Tiogapass platform
>
> Signed-off-by: Vijay Khemka <vijaykhemka at fb.com>
> ---
> .../dts/aspeed-bmc-facebook-tiogapass.dts | 230 ++++++++++++++++++
> 1 file changed, 230 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> index b7783833a58c..8d0bcb3cd419 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> @@ -12,6 +12,27 @@
> aliases {
> serial0 = &uart1;
> serial4 = &uart5;
> +
> + /*
> + * Hardcode the bus number of i2c switches' channels to
> + * avoid breaking the legacy applications.
> + */
> + i2c16 = &imux16;
> + i2c17 = &imux17;
> + i2c18 = &imux18;
> + i2c19 = &imux19;
> + i2c20 = &imux20;
> + i2c21 = &imux21;
> + i2c22 = &imux22;
> + i2c23 = &imux23;
> + i2c24 = &imux24;
> + i2c25 = &imux25;
> + i2c26 = &imux26;
> + i2c27 = &imux27;
> + i2c28 = &imux28;
> + i2c29 = &imux29;
> + i2c30 = &imux30;
> + i2c31 = &imux31;
> };
> chosen {
> stdout-path = &uart5;
> @@ -124,6 +145,215 @@
> &i2c1 {
> status = "okay";
> //X24 Riser
> + i2c-switch at 71 {
> + compatible = "nxp,pca9544";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x71>;
> +
> + imux16: i2c at 0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + ina219 at 45 {
> + compatible = "ti,ina219";
> + reg = <0x45>;
> + };
> +
> + tmp75 at 48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +
> + tmp421 at 49 {
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> +
> + eeprom at 50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + };
> +
> + i2c-switch at 73 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x73>;
> +
> + imux20: i2c at 0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux21: i2c at 1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux22: i2c at 2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux23: i2c at 3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> +
> + };
> +
> + };
> +
> + imux17: i2c at 1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> +
> + ina219 at 45 {
> + compatible = "ti,ina219";
> + reg = <0x45>;
> + };
> +
> + tmp421 at 48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +
> + tmp421 at 49 {
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> +
> + eeprom at 50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + };
> +
> + i2c-switch at 73 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x73>;
> +
> + imux24: i2c at 0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux25: i2c at 1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux26: i2c at 2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux27: i2c at 3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> +
> + };
> +
> + };
> +
> + imux18: i2c at 2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> +
> + ina219 at 45 {
> + compatible = "ti,ina219";
> + reg = <0x45>;
> + };
> +
> + tmp421 at 48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +
> + tmp421 at 49 {
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> +
> + eeprom at 50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + };
> +
> + i2c-switch at 73 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x73>;
> +
> + imux28: i2c at 0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux29: i2c at 1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux30: i2c at 2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux31: i2c at 3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> +
> + };
> +
> + };
> +
> + imux19: i2c at 3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> +
> + i2c-switch at 40 {
> + compatible = "ti,ina219";
> + reg = <0x40>;
> + };
> +
> + i2c-switch at 41 {
> + compatible = "ti,ina219";
> + reg = <0x41>;
> + };
> +
> + i2c-switch at 45 {
> + compatible = "ti,ina219";
> + reg = <0x45>;
> + };
> +
> + };
> +
> + };
> };
>
> &i2c2 {
> --
> 2.17.1
>
>
>