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Mon, 14 Sep 2026 01:47:15 -0700 (PDT) From: Alexey Charkov Date: Mon, 14 Sep 2026 12:47:15 +0400 Subject: [PATCH] arm64: dts: rockchip: Set gpioN aliases on RK3576 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260914-rk3576-gpio-aliases-v1-1-ce5f86f9ae0e@flipper.net> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXMQQqDMBBA0avIrB2IWqPxKuIipqOOLRoyKgXx7 k3r8i3+P0EoMAk0yQmBDhZel4gsTcBNdhkJ+RkNucq1MtkDw6soK42j5xXtm62QoHHKalXXfWk GiKUPNPDnf22727L3M7ntt4Lr+gIIVSeBdwAAAA== X-Change-ID: 20260914-rk3576-gpio-aliases-9c0a6088b59f To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1143; i=alchark@flipper.net; h=from:subject:message-id; bh=xSsTA1+Iig8rnrr46UdcEnmTqyfP4pnCIpRKT/lZv4s=; b=owGbwMvMwCW2adGNfoHIK0sZT6slMWQt3zKl493uJBmRTYsfxiasex+ntehC9OljXSWFERvsA mfd/1JyoWMiC4MYF4OlmCLL3G9LbKca8c3a5eHxFWYOKxPIEGmRBgYgYGHgy03MKzXSMdIz1TbU MzTSMdYxYuDiFICpblZkZPgc/9Zs9pLzqxY/nhGV8HvV+a4TP/0nLDXQdtWPW3FtodMhhv+lMQ1 7JS9MP6Y6Ke9bbihns0MOn+PB0x+cbJRm7zq7/DcnAA== X-Developer-Key: i=alchark@flipper.net; a=openpgp; fpr=9DF6A43D95320E9ABA4848F5B2A2D88F1059D4A5 With no alias, the OS is free to number the GPIO chips arbitrarily, such as in probe order, which is what Linux kernel's rockchip_gpio_probe() does if its of_alias_get_id(np, "gpio") fails. This results in GPIO chip numbers arbitrarily shuffled in userspace, causing confusion and pain. Set gpioN aliases in the SoC .dtsi, just like other SoC versions do. Signed-off-by: Alexey Charkov --- arch/arm64/boot/dts/rockchip/rk3576.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts= /rockchip/rk3576.dtsi index d418bfc04097..e87ace5d05e6 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi @@ -21,6 +21,11 @@ / { #size-cells =3D <2>; =20 aliases { + gpio0 =3D &gpio0; + gpio1 =3D &gpio1; + gpio2 =3D &gpio2; + gpio3 =3D &gpio3; + gpio4 =3D &gpio4; i2c0 =3D &i2c0; i2c1 =3D &i2c1; i2c2 =3D &i2c2; --- base-commit: 68142f986ff04b2b70b31db00f719bf690f64a9a change-id: 20260914-rk3576-gpio-aliases-9c0a6088b59f Best regards, -- =20 Alexey Charkov