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Date: Mon, 18 Apr 2022 19:24:22 +0530
From: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To: Matthias Kaehlcke <mka@...omium.org>
CC: <agross@...nel.org>, <bjorn.andersson@...aro.org>,
<robh+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<quic_rohkumar@...cinc.com>, <srinivas.kandagatla@...aro.org>,
<dianders@...omium.org>, <swboyd@...omium.org>,
<judyhsiao@...omium.org>,
Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH v7 1/4] arm64: dts: qcom: sc7280: Add nodes for soundwire
and va tx rx digital macro codecs
On 4/14/2022 12:24 AM, Matthias Kaehlcke wrote:
Thanks for your time Matthias!!!
> On Wed, Apr 13, 2022 at 08:51:14PM +0530, Srinivasa Rao Mandadapu wrote:
>> SC7280 has VA, TX and RX macros with SoundWire Controllers to attach with
>> external codecs using soundwire masters. Add these nodes for sc7280 based
>> platforms audio use case.
>>
>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
>> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> ---
>> arch/arm64/boot/dts/qcom/sc7280.dtsi | 122 +++++++++++++++++++++++++++++++++++
>> 1 file changed, 122 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 50fea0e..c0f127f 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -1980,6 +1980,128 @@
>> #clock-cells = <1>;
>> };
>>
>> + lpass_rx_macro: codec@...0000 {
>> + compatible = "qcom,sc7280-lpass-rx-macro";
>> + reg = <0 0x03200000 0 0x1000>;
>> +
>> + status = "disabled";
> nit: this is easily missed here inmidst of the other stuff, best place
> it at the end of the node as many other nodes do.
Okay. will place accordingly.
>
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&lpass_rx_swr>;
>> +
>> + clocks = <&lpass_aon LPASS_AON_CC_TX_MCLK_CLK>,
>> + <&lpass_aon LPASS_AON_CC_TX_MCLK_2X_CLK>,
>> + <&lpass_va_macro>;
>> + clock-names = "mclk", "npl", "fsgen";
>> +
>> + power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>,p
>> + <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
>> + power-domain-names ="macro", "dcodec";
> add space after '='.
Okay.
>
>> +
>> + #clock-cells = <0>;
>> + #sound-dai-cells = <1>;
>> + };
>> +
>> + swr0: soundwire@...0000 {
>> + compatible = "qcom,soundwire-v1.6.0";
>> + reg = <0 0x03210000 0 0x2000>;
>> +
>> + interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&lpass_rx_macro>;
>> + clock-names = "iface";
>> +
>> + qcom,din-ports = <0>;
>> + qcom,dout-ports = <5>;
>> +
>> + resets = <&lpass_audiocc LPASS_AUDIO_SWR_RX_CGCR>;
>> + reset-names = "swr_audio_cgcr";
> The resets aren't mentioned in the binding, should they be added?
Yes. They are to be added. Mentioned same in the cover letter dependencies.
>
>> +
>> + qcom,ports-word-length = /bits/ 8 <0x01 0x07 0x04 0xff 0xff>;
>> + qcom,ports-sinterval-low = /bits/ 8 <0x03 0x3f 0x1f 0x03 0x03>;
>> + qcom,ports-offset1 = /bits/ 8 <0x00 0x00 0x0b 0x01 0x01>;
>> + qcom,ports-offset2 = /bits/ 8 <0x00 0x00 0x0b 0x00 0x00>;
>> + qcom,ports-lane-control = /bits/ 8 <0x01 0x00 0x00 0x00 0x00>;
>> + qcom,ports-block-pack-mode = /bits/ 8 <0xff 0x00 0x01 0xff 0xff>;
>> + qcom,ports-hstart = /bits/ 8 <0xff 0x03 0xff 0xff 0xff>;
>> + qcom,ports-hstop = /bits/ 8 <0xff 0x06 0xff 0xff 0xff>;
>> + qcom,ports-block-group-count = /bits/ 8 <0xff 0xff 0xff 0xff 0x00>;
>> +
>> + #sound-dai-cells = <1>;
>> + #address-cells = <2>;
>> + #size-cells = <0>;
> in difference to the other nodes the soundwire ones don't have
> 'status = "disabled"', should they be disabled by default?
Okay. will add accordingly.
>
>> + };
>> +
>> + lpass_tx_macro: codec@...0000 {
>> + compatible = "qcom,sc7280-lpass-tx-macro";
>> + reg = <0 0x03220000 0 0x1000>;
>> +
>> + status = "disabled";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&lpass_tx_swr>;
>> +
>> + clocks = <&lpass_aon LPASS_AON_CC_TX_MCLK_CLK>,
>> + <&lpass_aon LPASS_AON_CC_TX_MCLK_2X_CLK>,
>> + <&lpass_va_macro>;
>> + clock-names = "mclk", "npl", "fsgen";
>> +
>> + power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>,
>> + <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
>> + power-domain-names ="macro", "dcodec";
> add space after '='
Okay.
>
>> +
>> + #clock-cells = <0>;
>> + #sound-dai-cells = <1>;
>> + };
>> +
>> + swr1: soundwire@...0000 {
>> + compatible = "qcom,soundwire-v1.6.0";
>> + reg = <0 0x03230000 0 0x2000>;
>> +
>> + interrupts-extended = <&intc GIC_SPI 496 IRQ_TYPE_LEVEL_HIGH>,
>> + <&pdc 130 IRQ_TYPE_LEVEL_HIGH>;
>> + interrupt-names = "swr_master_irq", "swr_wake_irq";
> From the binding
>
> - interrupt-names:
> Usage: Optional
> Value type: boolean
> Value type: <stringlist>
> Definition: should be "core" for core and "wakeup" for wake interrupt.
>
> Does the binding need an update?
Here interrupt names are not being used. Will remove here.
>
>> + clocks = <&lpass_tx_macro>;
>> + clock-names = "iface";
>> +
>> + qcom,din-ports = <3>;
>> + qcom,dout-ports = <0>;
>> +
>> + resets = <&lpass_audiocc LPASS_AUDIO_SWR_TX_CGCR>;
>> + reset-names = "swr_audio_cgcr";
>> +
>> + qcom,ports-sinterval-low = /bits/ 8 <0x01 0x03 0x03>;
>> + qcom,ports-offset1 = /bits/ 8 <0x01 0x00 0x02>;
>> + qcom,ports-offset2 = /bits/ 8 <0x00 0x00 0x00>;
>> + qcom,ports-hstart = /bits/ 8 <0xff 0xff 0xff>;
>> + qcom,ports-hstop = /bits/ 8 <0xff 0xff 0xff>;
>> + qcom,ports-word-length = /bits/ 8 <0xff 0x00 0xff>;
>> + qcom,ports-block-pack-mode = /bits/ 8 <0xff 0xff 0xff>;
>> + qcom,ports-block-group-count = /bits/ 8 <0xff 0xff 0xff>;
>> + qcom,ports-lane-control = /bits/ 8 <0x00 0x01 0x00>;
>> + qcom,port-offset = <1>;
>> +
>> + #sound-dai-cells = <1>;
>> + #address-cells = <2>;
>> + #size-cells = <0>;
>> + };
>> +
>> + lpass_va_macro: codec@...0000 {
>> + compatible = "qcom,sc7280-lpass-va-macro";
>> + reg = <0 0x03370000 0 0x1000>;
>> +
>> + status = "disabled";
>> + pinctrl-0 = <&lpass_dmic01>;
>> + pinctrl-names = "default";
>> +
>> + clocks = <&lpass_aon LPASS_AON_CC_TX_MCLK_CLK>;
>> + clock-names = "mclk";
>> +
>> + power-domains = <&lpass_hm LPASS_CORE_CC_LPASS_CORE_HM_GDSC>,
>> + <&lpass_aon LPASS_AON_CC_LPASS_AUDIO_HM_GDSC>;
>> + power-domain-names ="macro", "dcodec";
> add space after '='.
Okay.
>
>> +
>> + #clock-cells = <0>;
>> + #sound-dai-cells = <1>;
>> + };
>> +
>> lpass_ag_noc: interconnect@...0000 {
>> reg = <0 0x03c40000 0 0xf080>;
>> compatible = "qcom,sc7280-lpass-ag-noc";
>> --
>> 2.7.4
>>
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