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Message-ID: <20200529030126.GW279327@builder.lan>
Date:   Thu, 28 May 2020 20:01:26 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/6] arm64: dts: qcom: add sm8150 hdk dts

On Sat 23 May 19:38 PDT 2020, Jonathan Marek wrote:

> Add initial HDK855 dts, based on sm8150-mtp, with a few changes.
> 

Happy to see this on the list Jonathan, just some minor things on the
remoteproc nodes below.

> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  arch/arm64/boot/dts/qcom/Makefile       |   1 +
>  arch/arm64/boot/dts/qcom/sm8150-hdk.dts | 461 ++++++++++++++++++++++++
>  2 files changed, 462 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sm8150-hdk.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index cc103f7020fd..e5dbd8b63951 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r3.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-db845c.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-hdk.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm8150-hdk.dts b/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
[..]
> +/ {
> +	model = "Qualcomm Technologies, Inc. SM8150 HDK";
> +	compatible = "qcom,sm8150-hdk";
> +
> +	aliases {
> +		serial0 = &uart2;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	vph_pwr: vph-pwr-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vph_pwr";
> +		regulator-min-microvolt = <3700000>;
> +		regulator-max-microvolt = <3700000>;
> +	};
> +
> +	/*
> +	 * Apparently RPMh does not provide support for PM8150 S4 because it
> +	 * is always-on; model it as a fixed regulator.
> +	 */

One day we should stop being surprised by this and drop the "Apparently"
from this comment ;)

> +	vreg_s4a_1p8: pm8150-s4 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg_s4a_1p8";
> +
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +
> +		regulator-always-on;
> +		regulator-boot-on;
> +
> +		vin-supply = <&vph_pwr>;
> +	};
[..]
> +&remoteproc_adsp {
> +	status = "okay";

It would be nice to see a
	firmware-name = "qcom/sm8150/adsp.mbn";

here. Because if we ever end up pushing firmware to linux-firmware this
DTB would continue to work.

Use https://github.com/andersson/pil-squasher to get mbn files out of
the mdt+bXX files for your testing (or just rename/symlink the mdt to
mbn for now).

> +};
> +
> +&remoteproc_cdsp {
> +	status = "okay";

	firmware-name = "qcom/sm8150/cdsp.mbn";

> +};
> +
> +&remoteproc_slpi {
> +	status = "okay";

	firmware-name = "qcom/sm8150/slpi.mbn";

Regards,
Bjorn

> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <0 4>, <126 4>;
> +};
> +
> +&uart2 {
> +	status = "okay";
> +};
> +
> +&ufs_mem_hc {
> +	status = "okay";
> +
> +	reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
> +
> +	vcc-supply = <&vreg_l10a_2p5>;
> +	vcc-max-microamp = <750000>;
> +	vccq-supply = <&vreg_l9a_1p2>;
> +	vccq-max-microamp = <700000>;
> +	vccq2-supply = <&vreg_s4a_1p8>;
> +	vccq2-max-microamp = <750000>;
> +};
> +
> +&ufs_mem_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vdda_ufs_2ln_core_1>;
> +	vdda-max-microamp = <90200>;
> +	vdda-pll-supply = <&vreg_l3c_1p2>;
> +	vdda-pll-max-microamp = <19000>;
> +};
> +
> +&usb_1_hsphy {
> +	status = "okay";
> +	vdda-pll-supply = <&vdd_usb_hs_core>;
> +	vdda33-supply = <&vdda_usb_hs_3p1>;
> +	vdda18-supply = <&vdda_usb_hs_1p8>;
> +};
> +
> +&usb_2_hsphy {
> +	status = "okay";
> +	vdda-pll-supply = <&vdd_usb_hs_core>;
> +	vdda33-supply = <&vdda_usb_hs_3p1>;
> +	vdda18-supply = <&vdda_usb_hs_1p8>;
> +};
> +
> +&usb_1_qmpphy {
> +	status = "okay";
> +	vdda-phy-supply = <&vreg_l3c_1p2>;
> +	vdda-pll-supply = <&vdda_usb_ss_dp_core_1>;
> +};
> +
> +&usb_2_qmpphy {
> +	status = "okay";
> +	vdda-phy-supply = <&vreg_l3c_1p2>;
> +	vdda-pll-supply = <&vdda_usb_ss_dp_core_1>;
> +};
> +
> +&usb_1 {
> +	status = "okay";
> +};
> +
> +&usb_2 {
> +	status = "okay";
> +};
> +
> +&usb_1_dwc3 {
> +	dr_mode = "peripheral";
> +};
> +
> +&usb_2_dwc3 {
> +	dr_mode = "host";
> +};
> -- 
> 2.26.1
> 

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