[PATCH linux dev-4.10] arm/dts: Add I2C master and ports to FSI cfam

Joel Stanley joel at jms.id.au
Wed Jun 28 14:57:22 AEST 2017


On Tue, Jun 27, 2017 at 5:03 AM, Eddie James <eajames at linux.vnet.ibm.com> wrote:
> From: "Edward A. James" <eajames at us.ibm.com>
>
> FSI I2C master algorithm probes port devices based on dts.

Do you need all 28 ports enabled?

>
> Signed-off-by: Edward A. James <eajames at us.ibm.com>
> ---
>  arch/arm/boot/dts/ibm-power9-cfam.dtsi | 134 +++++++++++++++++++++++++++++++++
>  1 file changed, 134 insertions(+)
>
> diff --git a/arch/arm/boot/dts/ibm-power9-cfam.dtsi b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
> index f29c6e3..a0b5c97 100644
> --- a/arch/arm/boot/dts/ibm-power9-cfam.dtsi
> +++ b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
> @@ -4,6 +4,73 @@
>                 #address-cells = <1>;
>                 #size-cells = <1>;
>
> +               i2cm at 1800 {
> +                       compatible = "ibm,fsi-i2c-master";
> +                       reg = <0x1800 0x400>;
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port at 0 {
> +                               port = <0>;
> +                       };
> +
> +                       port at 1 {
> +                               port = <1>;
> +                       };
> +
> +                       port at 2 {
> +                               port = <2>;
> +                       };
> +
> +                       port at 3 {
> +                               port = <3>;
> +                       };
> +
> +                       port at 4 {
> +                               port = <4>;
> +                       };
> +
> +                       port at 5 {
> +                               port = <5>;
> +                       };
> +
> +                       port at 6 {
> +                               port = <6>;
> +                       };
> +
> +                       port at 7 {
> +                               port = <7>;
> +                       };
> +
> +                       port at 8 {
> +                               port = <8>;
> +                       };
> +
> +                       port at 9 {
> +                               port = <9>;
> +                       };
> +
> +                       port at 10 {
> +                               port = <10>;
> +                       };
> +
> +                       port at 11 {
> +                               port = <11>;
> +                       };
> +
> +                       port at 12 {
> +                               port = <12>;
> +                       };
> +
> +                       port at 13 {
> +                               port = <13>;
> +                       };
> +
> +                       port at 14 {
> +                               port = <14>;
> +                       };
> +               };
> +
>                 sbefifo at 2400 {
>                         compatible = "ibm,p9-sbefifo";
>                         reg = <0x2400 0x400>;
> @@ -31,6 +98,73 @@
>                                 #address-cells = <1>;
>                                 #size-cells = <1>;
>
> +                               i2cm at 1800 {
> +                                       compatible = "ibm,fsi-i2c-master";
> +                                       reg = <0x1800 0x400>;
> +                                       #address-cells = <1>;
> +                                       #size-cells = <0>;
> +
> +                                       port at 0 {
> +                                               port = <0>;
> +                                       };
> +
> +                                       port at 1 {
> +                                               port = <1>;
> +                                       };
> +
> +                                       port at 2 {
> +                                               port = <2>;
> +                                       };
> +
> +                                       port at 3 {
> +                                               port = <3>;
> +                                       };
> +
> +                                       port at 4 {
> +                                               port = <4>;
> +                                       };
> +
> +                                       port at 5 {
> +                                               port = <5>;
> +                                       };
> +
> +                                       port at 6 {
> +                                               port = <6>;
> +                                       };
> +
> +                                       port at 7 {
> +                                               port = <7>;
> +                                       };
> +
> +                                       port at 8 {
> +                                               port = <8>;
> +                                       };
> +
> +                                       port at 9 {
> +                                               port = <9>;
> +                                       };
> +
> +                                       port at 10 {
> +                                               port = <10>;
> +                                       };
> +
> +                                       port at 11 {
> +                                               port = <11>;
> +                                       };
> +
> +                                       port at 12 {
> +                                               port = <12>;
> +                                       };
> +
> +                                       port at 13 {
> +                                               port = <13>;
> +                                       };
> +
> +                                       port at 14 {
> +                                               port = <14>;
> +                                       };
> +                               };
> +
>                                 sbefifo at 2400 {
>                                         compatible = "ibm,p9-sbefifo";
>                                         reg = <0x2400 0x400>;
> --
> 1.8.3.1
>


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