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Message-ID: <0848ee8e-f520-06a1-9a15-f6dadc2fd69e@linaro.org>
Date:   Wed, 14 Jun 2023 12:43:20 +0200
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Subject: Re: [PATCH 2/2] arm64: dts: qcom: ipq5332: add support for the RDP446
 variant
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To:     Hariharan K <quic_harihk@quicinc.com>, agross@kernel.org,
        andersson@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     quic_srichara@quicinc.com, quic_sjaganat@quicinc.com,
        quic_kathirav@quicinc.com, quic_arajkuma@quicinc.com,
        quic_anusha@quicinc.com
References: <20230606095732.12884-1-quic_harihk@quicinc.com>
 <20230606095732.12884-3-quic_harihk@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20230606095732.12884-3-quic_harihk@quicinc.com>
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On 6.06.2023 11:57, Hariharan K wrote:
> Add the initial device tree support for the Reference Design
> Platform(RDP) 446 based on IPQ5332 family of SoC. This patch carries
> the support for Console UART, SPI NOR and I2C.
> 
> Signed-off-by: Hariharan K <quic_harihk@quicinc.com>
> ---
Please consider making a common dtsi, like for 9574 here:

https://lore.kernel.org/linux-arm-msm/20230614085040.22071-1-quic_anusha@quicinc.com

Konrad
>  arch/arm64/boot/dts/qcom/Makefile           |  1 +
>  arch/arm64/boot/dts/qcom/ipq5332-rdp446.dts | 83 +++++++++++++++++++++
>  2 files changed, 84 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp446.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 4f9e81253e18..f962e1b7cf7a 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -6,6 +6,7 @@ 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-rdp442.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp446.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp446.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp446.dts
> new file mode 100644
> index 000000000000..0e1d98b093e4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp446.dts
> @@ -0,0 +1,83 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * IPQ5332 AP-MI04.1 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 MI04.1";
> +	compatible = "qcom,ipq5332-ap-mi04.1", "qcom,ipq5332";
> +
> +	aliases {
> +		serial0 = &blsp1_uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0";
> +	};
> +};
> +
> +&blsp1_uart0 {
> +	pinctrl-0 = <&serial_0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&blsp1_i2c1 {
> +	clock-frequency  = <400000>;
> +	pinctrl-0 = <&i2c_1_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";
> +		reg = <0>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <50000000>;
> +	};
> +};
> +
> +&sleep_clk {
> +	clock-frequency = <32000>;
> +};
> +
> +&xo_board {
> +	clock-frequency = <24000000>;
> +};
> +
> +/* PINCTRL */
> +
> +&tlmm {
> +	i2c_1_pins: i2c-1-state {
> +		pins = "gpio29", "gpio30";
> +		function = "blsp1_i2c0";
> +		drive-strength = <8>;
> +		bias-pull-up;
> +	};
> +
> +	spi_0_data_clk_pins: spi-0-data-clk-state {
> +		pins = "gpio14", "gpio15", "gpio16";
> +		function = "blsp0_spi";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	spi_0_cs_pins: spi-0-cs-state {
> +		pins = "gpio17";
> +		function = "blsp0_spi";
> +		drive-strength = <2>;
> +		bias-pull-up;
> +	};
> +};