Re: [PATCH v3 4/7] arm64: dts: qcom: sc8280xp: add missing i2c nodes

From: Johan Hovold
Date: Fri Dec 23 2022 - 05:36:23 EST


On Tue, Dec 20, 2022 at 02:28:51PM -0500, Brian Masney wrote:
> Add the missing nodes for the i2c buses that's present on this SoC.
>
> This work was derived from various patches that Qualcomm delivered
> to Red Hat in a downstream kernel.
>
> Signed-off-by: Brian Masney <bmasney@xxxxxxxxxx>
> ---
> Changes from v2 to v3
> - None
>
> Changes from v1 to v2
> - Dropped qupX_ prefix from labels. (Johan)
>
> arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 352 +++++++++++++++++++++++++
> 1 file changed, 352 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> index f1111cd7f679..a502d4e19d98 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> @@ -813,6 +813,38 @@ qup2: geniqup@8c0000 {
>
> status = "disabled";
>
> + i2c16: i2c@880000 {
> + compatible = "qcom,geni-i2c";
> + reg = <0 0x00880000 0 0x4000>;
> + clocks = <&gcc GCC_QUPV3_WRAP2_S0_CLK>;
> + clock-names = "se";
> + interrupts = <GIC_SPI 373 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;

I'm aware that the two current i2c nodes has these two properties here
in the middle, but would you mind moving '#address-cells' and
'#size-cells' after 'reg' instead where I'd expect them to be?

Same for the spi patch.

I can clean up the existing two nodes (and binding example) unless you
want to do it.

> + power-domains = <&rpmhpd SC8280XP_CX>;
> + interconnects = <&clk_virt MASTER_QUP_CORE_2 0 &clk_virt SLAVE_QUP_CORE_2 0>,
> + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_2 0>,
> + <&aggre1_noc MASTER_QUP_2 0 &mc_virt SLAVE_EBI1 0>;
> + interconnect-names = "qup-core", "qup-config", "qup-memory";
> + status = "disabled";
> + };

Johan