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SubjectRe: [PATCH 2/4] arm64: dts: qcom: sc7280-crd: Add device tree files for CRD
On Tue, Nov 23, 2021 at 12:30:11PM +0530, Rajendra Nayak wrote:
> CRD (Compute Reference Design) is a sc7280 based board, largely
> derived from the existing IDP board design with some key deltas
> 1. has EC and H1 over SPI similar to IDP2
> 2. touchscreen and trackpad support
> 3. eDP display
>
> We just add the barebones dts file here, subsequent patches will
> add support for EC/H1 and other components.
>
> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/sc7280-crd.dts | 31 +++++++++++++++++++++++++++++++
> 2 files changed, 32 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sc7280-crd.dts
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 6b816eb..b18708c 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -78,6 +78,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-r1-lte.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-herobrine.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp2.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += sc7280-crd.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-ganges-kirin.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-nile-discovery.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-nile-pioneer.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> new file mode 100644
> index 0000000..09d02c2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> @@ -0,0 +1,31 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * sc7280 CRD board device tree source
> + *
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "sc7280-idp.dtsi"
> +
> +/ {
> + model = "Qualcomm Technologies, Inc. sc7280 CRD platform";
> + compatible = "qcom,sc7280-crd", "google,hoglin-rev0", "qcom,sc7280";

As per my comment on the binding there should also be a "google,hoglin"
without a revision suffix, also it seems there are already CRDs with higher
rev numbers.

> +
> + aliases {
> + serial0 = &uart5;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&nvme_pwren {
> + pins = "gpio51";
> +};
> +
> +&nvme_3v3_regulator {
> + gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>;
> +};

uber-nit: 'nvme_3v3_regulator' should be before 'nvme_pwren', assuming
alphabetical/ASCII ordering is used.

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