From: "Rob Herring (Arm)" <robh@kernel.org>
To: Jonas Karlman <jonas@kwiboo.se>
Cc: linux-arm-kernel@lists.infradead.org,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Yao Zi <ziyao@disroot.org>, Chukun Pan <amadeus@jmu.edu.cn>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
linux-gpio@vger.kernel.org, Heiko Stuebner <heiko@sntech.de>,
devicetree@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>
Subject: Re: [PATCH v2 1/5] dt-bindings: gpio: rockchip: Allow use of a power-domain
Date: Wed, 23 Jul 2025 08:47:05 -0500 [thread overview]
Message-ID: <175327842469.2144459.7995862129200440475.robh@kernel.org> (raw)
In-Reply-To: <20250723085654.2273324-2-jonas@kwiboo.se>
On Wed, 23 Jul 2025 08:56:43 +0000, Jonas Karlman wrote:
> The GPIO controllers in most Rockchip SoCs are part of power domains
> that are always powered on, i.e. PD_BUS or PD_PMU. These always powered
> on power domains have typically not been described in the device tree.
>
> Because these power domains have been left out of the device tree there
> has not been any real need to properly describe the GPIO controllers
> power domain.
>
> On RK3528 the GPIO controllers are spread out among the described
> PD_RKVENC, PD_VO and PD_VPU power domains. However, one GPIO controller
> belong to an undescribed always powered on power domain.
>
> Add support to describe an optional power-domains for the GPIO
> controllers in Rockchip SoCs.
>
> Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
> ---
> v2: Update commit message
> ---
> Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 3 +++
> 1 file changed, 3 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2025-07-23 13:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-23 8:56 [PATCH v2 0/5] rockchip: Add power controller support for RK3528 Jonas Karlman
2025-07-23 8:56 ` [PATCH v2 1/5] dt-bindings: gpio: rockchip: Allow use of a power-domain Jonas Karlman
2025-07-23 13:47 ` Rob Herring (Arm) [this message]
2025-07-23 8:56 ` [PATCH v2 2/5] dt-bindings: i2c: i2c-rk3x: " Jonas Karlman
2025-07-23 13:47 ` Rob Herring (Arm)
2025-07-23 22:45 ` Andi Shyti
2025-07-23 8:56 ` [PATCH v2 3/5] dt-bindings: iio: adc: rockchip-saradc: " Jonas Karlman
2025-07-23 13:47 ` Rob Herring (Arm)
2025-07-23 15:50 ` Jonathan Cameron
2025-07-23 8:56 ` [PATCH v2 4/5] dt-bindings: serial: snps-dw-apb-uart: " Jonas Karlman
2025-07-23 13:47 ` Rob Herring (Arm)
2025-07-23 8:56 ` [PATCH v2 5/5] arm64: dts: rockchip: Enable more power domains for RK3528 Jonas Karlman
2025-07-24 9:55 ` (subset) [PATCH v2 0/5] rockchip: Add power controller support " Bartosz Golaszewski
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