Re: [PATCH] arm64: dts: qcom: qcs615: Adds SPMI bus, PMIC and peripherals

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On Mon, Oct 14, 2024 at 06:08:17PM +0800, Tingguo Cheng wrote:
> Create a new file qcs615-pmic.dtsi to add on-board PMIC and peripher-
> als in the PMIC that controlled by SPMI bus. The peripherals include
> GPIO, RTC, PON, power key and resin-key for QCS615 platform. The power
> key and volume down key are controlled by PMIC PON hardware on QCS615.

Why do you need a separate file? Unless there is a good reason such
configuration should be split between the pmic.dtsi and the board file.

BTW, what is the PMIC id for pmm6155au? Is it a real PMIC or a version
of some other PMIC?

> 
> Signed-off-by: Tingguo Cheng <quic_tingguoc@xxxxxxxxxxx>
> ---
> This patch depends on the patch series:
> - https://lore.kernel.org/all/20240926-add_initial_support_for_qcs615-v3-0-e37617e91c62@xxxxxxxxxxx/
> ---
>  arch/arm64/boot/dts/qcom/qcs615-pmic.dtsi | 56 +++++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/qcs615-ride.dts  |  1 +
>  arch/arm64/boot/dts/qcom/qcs615.dtsi      | 23 +++++++++++++
>  3 files changed, 80 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs615-pmic.dtsi b/arch/arm64/boot/dts/qcom/qcs615-pmic.dtsi
> new file mode 100644
> index 0000000000000000000000000000000000000000..d5e98503bb32aa6c75f9a9c613d562c6140ddf14
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs615-pmic.dtsi
> @@ -0,0 +1,56 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/spmi/spmi.h>
> +
> +&spmi_bus {
> +	pmm6155au_0: pmic@0 {
> +		compatible = "qcom,spmi-pmic";
> +		reg = <0x0 SPMI_USID>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		pmm6155au_0_pon: pon@800 {
> +			compatible = "qcom,pm8998-pon";
> +			reg = <0x800>;
> +
> +			pon_pwrkey: pwrkey {
> +				compatible = "qcom,pm8941-pwrkey";
> +				interrupts = <0x0 0x8 0x0 IRQ_TYPE_EDGE_BOTH>;
> +				debounce = <15625>;
> +				bias-pull-up;
> +				linux,code = <KEY_POWER>;
> +			};
> +
> +			pon_resin: resin {
> +				compatible = "qcom,pm8941-resin";
> +				interrupts = <0x0 0x8 0x1 IRQ_TYPE_EDGE_BOTH>;
> +				debounce = <15625>;
> +				bias-pull-up;
> +				linux,code = <KEY_VOLUMEDOWN>;
> +			};
> +		};
> +
> +		pmm6155au_0_rtc: rtc@6100 {
> +			compatible = "qcom,pm8941-rtc";
> +			reg = <0x6100>, <0x6200>;
> +			reg-names = "rtc", "alarm";
> +			interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
> +			allow-set-time;
> +		};
> +
> +		pmm6155au_0_gpios: gpio@c000 {
> +			compatible = "qcom,pm8150-gpio";
> +			reg = <0xc000>;
> +			gpio-controller;
> +			gpio-ranges = <&pmm6155au_0_gpios 0 0 12>;
> +			#gpio-cells = <2>;
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +};
> +
> diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> index 4ef969a6af150933c72a7a83374a5a2657eebc1b..b79c22730920e3097425e1d1933e744205b3c18e 100644
> --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> @@ -6,6 +6,7 @@
>  
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  #include "qcs615.dtsi"
> +#include "qcs615-pmic.dtsi"
>  / {
>  	model = "Qualcomm Technologies, Inc. QCS615 Ride";
>  	compatible = "qcom,qcs615-ride", "qcom,qcs615";
> diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
> index ac4c4c751da1fbb28865877555ba317677bc6bd2..9793161db515a2ef1df6465c8d0a04a11e71ffc1 100644
> --- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
> @@ -517,6 +517,29 @@ sram@c3f0000 {
>  			reg = <0x0 0x0c3f0000 0x0 0x400>;
>  		};
>  
> +		spmi_bus: qcom,spmi@c440000 {
> +			compatible = "qcom,spmi-pmic-arb";
> +			reg = <0x0 0xc440000 0x0 0x1100>,
> +			      <0x0 0xc600000 0x0 0x2000000>,
> +			      <0x0 0xe600000 0x0 0x100000>,
> +			      <0x0 0xe700000 0x0 0xa0000>,
> +			      <0x0 0xc40a000 0x0 0x26000>;
> +			reg-names = "core",
> +				    "chnls",
> +				    "obsrvr",
> +				    "intr",
> +				    "cnfg";
> +			interrupts-extended = <&pdc 1 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "periph_irq";
> +			interrupt-controller;
> +			#interrupt-cells = <4>;
> +			#address-cells = <2>;
> +			#size-cells = <0>;
> +			cell-index = <0>;
> +			qcom,channel = <0>;
> +			qcom,ee = <0>;
> +		};
> +
>  		intc: interrupt-controller@17a00000 {
>  			compatible = "arm,gic-v3";
>  			reg = <0x0 0x17a00000 0x0 0x10000>,     /* GICD */
> 
> ---
> base-commit: c83f0b825741bcb9d8a7be67c63f6b9045d30f5a
> change-id: 20240929-adds-spmi-pmic-peripherals-for-qcs615-16ee53179a7d
> prerequisite-change-id: 20240924-add_initial_support_for_qcs615-a01bb2dd4650:v3
> prerequisite-patch-id: 09782474af7eecf1013425fd34f9d2f082fb3616
> prerequisite-patch-id: 624720e543d7857e46d3ee49b8cea413772deb4c
> prerequisite-patch-id: 04ca722967256efddc402b7bab94136a5174b0b9
> prerequisite-patch-id: ab88a42ec69ad90e8509c9c5b7c6bdd595a7f783
> prerequisite-patch-id: 918724fafe43acaa4c4b980bfabe36e9c3212cd1
> prerequisite-patch-id: 91cb230c6d129ff21c24d124fad9e37a66cb6a22
> prerequisite-patch-id: 57afeee80c9aa069ee243f5a5b634702867d20f1
> 
> Best regards,
> -- 
> Tingguo Cheng <quic_tingguoc@xxxxxxxxxxx>
> 

-- 
With best wishes
Dmitry




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