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Date: Mon, 11 Apr 2022 19:32:33 +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>,
<srinivas.kandagatla@...aro.org>, <dianders@...omium.org>,
<swboyd@...omium.org>, <judyhsiao@...omium.org>,
Venkata Prasad Potturu <quic_potturu@...cinc.com>,
<quic_rohkumar@...cinc.com>
Subject: Re: [PATCH v6 1/3] arm64: dts: qcom: sc7280: Add nodes for va tx and
rx macros and external codecs
On 4/6/2022 3:05 AM, Matthias Kaehlcke wrote:
Thanks for your time Matthias!!!
> On Tue, Apr 05, 2022 at 04:43:38PM +0530, Srinivasa Rao Mandadapu wrote:
>> SC7280 has VA, TX and RX macros with SoundWire Controllers to attach with
>> codecs like WCD938x, max98360a using soundwire masters and i2s bus.
>> Add these nodes for sc7280 based platforms audio use case.
>> Add tlmm gpio property in wcd938x node for switching CTIA/OMTP Headset.
>>
>> 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>
>> ---
> A change log would be helpful for reviewers
Change log added in cover letter.
>
>> arch/arm64/boot/dts/qcom/sc7280-crd.dts | 6 ++
>> arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 8 ++
>> arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 88 ++++++++++++++++++
>> arch/arm64/boot/dts/qcom/sc7280.dtsi | 121 +++++++++++++++++++++++++
>> 4 files changed, 223 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
>> index e2efbdd..224a82d 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> You might want to consider splitting this patch into one that
> adds the SoC specific bits and one for each board. It's cleaner
> and might allow to land the SoC specific bits even when the board
> specific part is still under discussion. It also might make the
> life easier for folks who want to pick the SoC specific parts,
> but aren't interested in the board bits (e.g. because they want
> to support a different board). Just a thought, the split is not
> strictly necessary.
Okay. will split accordingly.
>
>> @@ -84,6 +84,12 @@ ap_ts_pen_1v8: &i2c13 {
>> pins = "gpio51";
>> };
>>
>> +&wcd938x {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&us_euro_select>;
>> + us-euro-gpios = <&tlmm 81 GPIO_ACTIVE_HIGH>;
>> +};
>> +
>> &tlmm {
>> tp_int_odl: tp-int-odl {
>> pins = "gpio7";
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
>> index de646d9..c6a04c3 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
>> @@ -20,6 +20,14 @@
>> #include "sc7280-chrome-common.dtsi"
>>
>> / {
>> + max98360a: audio-codec-0 {
>> + compatible = "maxim,max98360a";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&_en>;
>> + sdmode-gpios = <&tlmm 63 GPIO_ACTIVE_HIGH>;
>> + #sound-dai-cells = <0>;
>> + };
>> +
> This node shouldn't be at top but with the other device nodes, in
> alphabetical order, i.e. before 'pwmleds'.
Actually we are sorting as per node name. Hence kept it here. As per
previous reviewer comments, sorted accordingly.
Please suggest better approach.
>
>> chosen {
>> stdout-path = "serial0:115200n8";
>> };
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> index f912a89..83c76b2 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
>> @@ -20,6 +20,41 @@
>> serial1 = &uart7;
>> };
>>
>> + max98360a: audio-codec-0 {
>> + compatible = "maxim,max98360a";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&_en>;
>> + sdmode-gpios = <&tlmm 63 GPIO_ACTIVE_HIGH>;
>> + #sound-dai-cells = <0>;
>> + };
>> +
>> + wcd938x: audio-codec-1 {
>> + compatible = "qcom,wcd9380-codec";
>> + #sound-dai-cells = <1>;
>> +
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&wcd938x_reset_active>, <&wcd938x_reset_sleep>;
>> + reset-gpios = <&tlmm 83 GPIO_ACTIVE_HIGH>;
>> +
>> + qcom,rx-device = <&wcd_rx>;
>> + qcom,tx-device = <&wcd_tx>;
>> +
>> + vdd-rxtx-supply = <&vreg_l18b_1p8>;
>> + vdd-io-supply = <&vreg_l18b_1p8>;
>> + vdd-buck-supply = <&vreg_l17b_1p8>;
>> + vdd-mic-bias-supply = <&vreg_bob>;
>> +
>> + qcom,micbias1-microvolt = <1800000>;
>> + qcom,micbias2-microvolt = <1800000>;
>> + qcom,micbias3-microvolt = <1800000>;
>> + qcom,micbias4-microvolt = <1800000>;
>> +
>> + qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000
>> + 500000 500000 500000>;
>> + qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
>> + qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
>> + };
>> +
>> gpio-keys {
>> compatible = "gpio-keys";
>> label = "gpio-keys";
>> @@ -373,6 +408,19 @@
>> status = "okay";
>> };
>>
>> +&rxmacro {
>> + status = "okay";
>> +};
>> +
>> +&txmacro {
>> + status = "okay";
>> +};
>> +
>> +&vamacro {
>> + status = "okay";
>> + vdd-micb-supply = <&vreg_bob>;
>> +};
>> +
>> &sdhc_1 {
>> status = "okay";
>>
>> @@ -574,6 +622,24 @@
>> drive-strength = <6>;
>> };
>>
>> +&swr0 {
>> + wcd_rx: codec@0,4 {
>> + compatible = "sdw20217010d00";
>> + reg = <0 4>;
>> + #sound-dai-cells = <1>;
>> + qcom,rx-port-mapping = <1 2 3 4 5>;
>> + };
>> +};
>> +
>> +&swr1 {
>> + wcd_tx: codec@0,3 {
>> + compatible = "sdw20217010d00";
>> + reg = <0 3>;
>> + #sound-dai-cells = <1>;
>> + qcom,tx-port-mapping = <1 2 3 4>;
>> + };
>> +};
>> +
>> &tlmm {
>> amp_en: amp-en {
>> pins = "gpio63";
>> @@ -663,5 +729,27 @@
>> function = "gpio";
>> bias-pull-down;
>> };
>> +
>> + us_euro_select: us-euro-select {
> nit: in the schematic this is called 'us_euro_hs_sel'. IMO it's preferable
> to use the name from the schematic rather than inventing a new one, unless
> there's a good reason for it.
Okay. will change accordingly.
>
>> + pins = "gpio81";
>> + function = "gpio";
>> + bias-pull-down;
>> + drive-strength = <2>;
>> + };
>> +
>> + wcd938x_reset_active: wcd938x-reset-active {
> same as above: the schematic calls this pin 'wcd_reset_n'
>
> drop the -active suffix
Okay. will change accordingly.
>
>> + pins = "gpio83";
>> + function = "gpio";
>> + drive-strength = <16>;
> A value of 16 seems pretty high. Is it really needed?
Okay. Verified with drive strength 8. will change accordingly.
>
>> + output-high;
>> + };
>> +
>> + wcd938x_reset_sleep: wcd938x-reset-sleep {
>> + pins = "gpio83";
>> + function = "gpio";
>> + drive-strength = <16>;
> see above
okay.
>
>> + bias-disable;
>> + output-low;
>> + };
>> };
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index db74fc3..78ec84c 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -822,6 +822,127 @@
>> #power-domain-cells = <1>;
>> };
>>
>> + rxmacro: codec@...0000 {
> These node are not at the correct position. They should be sorted by
> address and hence be inserted between 'lpasscc@...0000' and
> 'interconnect@...0000'.
Actually we are sorting as per node(codec) name. Hence kept it here. As
per previous reviewer comments, sorted accordingly.
Please suggest better approach.
>
>> + compatible = "qcom,sc7280-lpass-rx-macro";
>> + reg = <0 0x03200000 0 0x1000>;
>> +
>> + status = "disabled";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&rx_swr_active>;
>> +
>> + clocks = <&lpass_aon LPASS_AON_CC_TX_MCLK_CLK>,
>> + <&lpass_aon LPASS_AON_CC_TX_MCLK_2X_CLK>,
>> + <&vamacro>;
>> + 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";
>> +
>> + #clock-cells = <0>;
>> + #sound-dai-cells = <1>;
>> + };
>> +
>> + txmacro: codec@...0000 {
>> + compatible = "qcom,sc7280-lpass-tx-macro";
>> + reg = <0 0x03220000 0 0x1000>;
>> +
>> + status = "disabled";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&tx_swr_active>;
>> +
>> + clocks = <&lpass_aon LPASS_AON_CC_TX_MCLK_CLK>,
>> + <&lpass_aon LPASS_AON_CC_TX_MCLK_2X_CLK>,
>> + <&vamacro>;
>> + 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";
>> +
>> + #clock-cells = <0>;
>> + #sound-dai-cells = <1>;
>> + };
>> +
>> + vamacro: codec@...0000 {
>> + compatible = "qcom,sc7280-lpass-va-macro";
>> + reg = <0 0x03370000 0 0x1000>;
>> +
>> + status = "disabled";
>> + pinctrl-0 = <&dmic01_active>;
>> + 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";
>> +
>> + #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 = <&rxmacro>;
>> + clock-names = "iface";
>> +
>> + qcom,din-ports = <0>;
>> + qcom,dout-ports = <5>;
>> +
>> + resets = <&lpass_audiocc LPASS_AUDIO_SWR_RX_CGCR>;
>> + reset-names = "swr_audio_cgcr";
>> +
>> + 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>;
>> + };
>> +
>> + 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";
>> + clocks = <&txmacro>;
>> + 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 0x0 0xff>;
> s/0x0/0x00/
okay.
>
>> + 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>;
>> + };
> add empty line
Okay. will remove it.
>
>> ipcc: mailbox@...000 {
>> compatible = "qcom,sc7280-ipcc", "qcom,ipcc";
>> reg = <0 0x00408000 0 0x1000>;
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