Quoting Srinivasa Rao Mandadapu (2022-02-03 03:33:00)
> Add lpass cpu node for audio on sc7280 based platforms.
>
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
> Co-developed-by: Venkata Prasad Potturu <quic_potturu@xxxxxxxxxxx>
> Signed-off-by: Venkata Prasad Potturu <quic_potturu@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 28 +++++++++++++++
> arch/arm64/boot/dts/qcom/sc7280.dtsi | 59 ++++++++++++++++++++++++++++++++
> 2 files changed, 87 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 2806888..a76b2d1 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -691,3 +691,31 @@
> &vamacro {
> vdd-micb-supply = <&vreg_bob>;
> };
> +
> +&lpass_cpu {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&sec_mi2s_active>;
Is it a reset gpio? If so, make it a reset-gpios property. I couldn't
find the definition.
> +
> + mi2s-secondary@1 {
> + reg = <MI2S_SECONDARY>;
> + qcom,playback-sd-lines = <0>;
> + };
> +
> + hdmi-primary@5 {
> + reg = <LPASS_DP_RX>;
> + };
> +
> + wcd-rx@6 {
> + reg = <LPASS_CDC_DMA_RX0>;
> + };
> +
> + wcd-tx@19 {
> + reg = <LPASS_CDC_DMA_TX3>;
> + };
> +
> + va-tx@25 {
> + reg = <LPASS_CDC_DMA_VA_TX0>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 946eb01..c2da5ce 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -17,6 +17,7 @@
> #include <dt-bindings/reset/qcom,sdm845-aoss.h>
> #include <dt-bindings/reset/qcom,sdm845-pdc.h>
> #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/sound/qcom,lpass.h>
> #include <dt-bindings/thermal/thermal.h>
>
> / {
> @@ -1847,6 +1848,64 @@
> #size-cells = <0>;
> };
>
> + lpass_cpu: audio-subsystem@3260000 {
> + compatible = "qcom,sc7280-lpass-cpu";
> + reg = <0 0x3260000 0 0xC000>,
> + <0 0x3280000 0 0x29000>,
> + <0 0x3340000 0 0x29000>,
> + <0 0x336C000 0 0x3000>,
> + <0 0x3987000 0 0x68000>,
> + <0 0x3B00000 0 0x29000>;
Lowercase hex. Pad out reg to 8 digits.
> + reg-names = "lpass-rxtx-cdc-dma-lpm",
> + "lpass-rxtx-lpaif",
> + "lpass-va-lpaif",
> + "lpass-va-cdc-dma-lpm",
> + "lpass-hdmiif",
> + "lpass-lpaif";
That 'lpass' prefix looks very redundant.
> +
> + iommus = <&apps_smmu 0x1820 0>,
> + <&apps_smmu 0x1821 0>,
> + <&apps_smmu 0x1832 0>;
