Re: [PATCH 11/12] arm64: dts: exynos: Add Exynos9810 SoC support

[Krzysztof Kozlowski <krzk@kernel.org>]

On 24/10/2024 00:36, Markuss Broks wrote:
> Exynos 9810 is an ARMv8 mobile SoC found in various Samsung devices,
> such as Samsung Galaxy S9 (starlte), S9 Plus (star2lte),
> Note 9 (crownlte) and perhaps others.
> 
> Add minimal support for this SoC, including basic stuff like:
> - PSCI for bringing up secondary cores
> - ARMv8 generic timer
> - GPIO and pinctrl.
> 
> The firmware coming with the devices based on this SoC is buggy
> and doesn't configure CNTFRQ_EL0, as required by spec, so it's
> needed to hardcode the frequency in the timer node.
> 
> Co-authored-by: Maksym Holovach <nergzd@nergzd723.xyz>
> Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
> ---
>  arch/arm64/boot/dts/exynos/exynos9810-pinctrl.dtsi | 525 +++++++++++++++++++++
>  arch/arm64/boot/dts/exynos/exynos9810.dtsi         | 256 ++++++++++
>  2 files changed, 781 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos9810-pinctrl.dtsi b/arch/arm64/boot/dts/exynos/exynos9810-pinctrl.dtsi
> new file mode 100644
> index 0000000000000000000000000000000000000000..4b2ee59dc7241b0ec31c99fd909d1c5e25aa77e0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos9810-pinctrl.dtsi
> @@ -0,0 +1,525 @@
> +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
> +/*
> + * Samsung's Exynos 9810 SoC pin-mux and pin-config device tree source
> + *
> + * Copyright (c) 2024 Markuss Broks <markuss.broks@gmail.com>
> + * Copyright (c) 2024 Maksym Holovach <nergzd@nergzd723.xyz>
> + */
> +
> +#include "exynos-pinctrl.h"
> +
> +&pinctrl_alive {
> +	wakeup-interrupt-controller {

This is part of SoC DTSI.

> +		compatible = "samsung,exynos9810-wakeup-eint",
> +			     "samsung,exynos850-wakeup-eint",
> +			     "samsung,exynos7-wakeup-eint";
> +	};
> +
> +	etc1: etc1-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpa0: gpa0-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpa1: gpa1-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpa2: gpa2-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpa3: gpa3-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpa4: gpa4-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpq0: gpq0-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +};
> +
> +&pinctrl_aud {
> +	gpb0: gpb0-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpb1: gpb1-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpb2: gpb2-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +};
> +
> +&pinctrl_chub {
> +	interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;

Please do not introduce different style than all other files.


Best regards,
Krzysztof