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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <beeb2475-dc82-485d-a984-5d6554a4c379@gmail.com>
Date: Thu, 24 Oct 2024 09:31:17 +0300
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Markuss Broks <markuss.broks@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Alim Akhtar <alim.akhtar@...sung.com>,
 Sylwester Nawrocki <s.nawrocki@...sung.com>,
 Linus Walleij <linus.walleij@...aro.org>, Tomasz Figa
 <tomasz.figa@...il.com>, Will Deacon <will@...nel.org>,
 Mark Rutland <mark.rutland@....com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Krzysztof Kozlowski <krzk@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
 Maksym Holovach <nergzd@...gzd723.xyz>
Subject: Re: [PATCH 11/12] arm64: dts: exynos: Add Exynos9810 SoC support


On 10/24/24 01:36, 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@...gzd723.xyz>
> Signed-off-by: Markuss Broks <markuss.broks@...il.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@...il.com>
> + * Copyright (c) 2024 Maksym Holovach <nergzd@...gzd723.xyz>
> + */
> +
> +#include "exynos-pinctrl.h"
> +
> +&pinctrl_alive {
> +	wakeup-interrupt-controller {
> +		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>;
> +	};

[snip]

> +
> +	gpp3: gpp3-gpio-bank {
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +
> +	gpg0: gpg0-gpio-bank {

gpgX comes before gppX, sort all the nodes :D

> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
> +

[snip]

> +	};
> +};
> +
> +#include "exynos9810-pinctrl.dtsi"
> +#include "arm/samsung/exynos-syscon-restart.dtsi"
>