linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: ipq5332: add support for the RDP468 variant

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Date:   Thu, 23 Mar 2023 07:44:06 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kathiravan T <quic_kathirav@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: ipq5332: add support for the RDP468
 variant

On 23/03/2023 05:49, Kathiravan T wrote:
> Add the initial device tree support for the Reference Design
> Platform(RDP) 468 based on IPQ5332 family of SoCs. This patch carries the
> support for Console UART, SPI NOR, eMMC.
> 
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile           |   1 +
>  arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts | 103 ++++++++++++++++++++
>  2 files changed, 104 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 1a29403400b7..79cf8373997f 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-mi01.2.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> new file mode 100644
> index 000000000000..b2899f953aa4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
> @@ -0,0 +1,103 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * IPQ5332 RDP468 board device tree source
> + *
> + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "ipq5332.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. IPQ5332 MI01.6";
> +	compatible = "qcom,ipq5332-ap-mi01.6", "qcom,ipq5332";
> +
> +	aliases {
> +		serial0 = &blsp1_uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0";
> +	};
> +};
> +
> +&blsp1_uart0 {
> +	pinctrl-0 = <&serial_0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&blsp1_spi0 {
> +	pinctrl-0 = <&spi_0_data_clk_pins &spi_0_cs_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "micron,n25q128a11", "jedec,spi-nor";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		reg = <0>;

reg is always second property, after compatible.

> +		spi-max-frequency = <50000000>;
> +	};
> +};
> +


Best regards,
Krzysztof