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[209.91.167.254]) by smtp.gmail.com with ESMTPSA id z13-20020a0cfc0d000000b00677fb605c8csm2549561qvo.55.2023.11.20.08.22.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Nov 2023 08:22:46 -0800 (PST) From: Trevor Woerner To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH] arm64: rockchip: dts: rk3308-rock-pi-s add gpio-line-names Date: Mon, 20 Nov 2023 11:22:32 -0500 Message-ID: <20231120162232.27653-1-twoerner@gmail.com> X-Mailer: git-send-email 2.41.0.327.gaa9166bcc0ba Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add names to the pins of the general-purpose expansion header as given in the Radxa GPIO page[1] following the conventions in the kernel documentation[2] to make it easier for users to correlate the pins with functions when using utilities such as gpioinfo. [1] https://wiki.radxa.com/RockpiS/hardware/gpio [2] Documentation/devicetree/bindings/gpio/gpio.txt Signed-off-by: Trevor Woerner --- .../boot/dts/rockchip/rk3308-rock-pi-s.dts | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts index e9810d2f0407..f2d7251de298 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts +++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts @@ -250,3 +250,61 @@ &usb20_otg { &wdt { status = "okay"; }; + +&gpio0 { + gpio-line-names = + /* GPIO0_A0 - A7 */ + "", "", "", "", "", "", "", "", + /* GPIO0_B0 - B7 */ + "", "", "", "header1-pin3 [GPIO0_B3]", "header1-pin5 [GPIO0_B4]", + "", "", "header1-pin11 [GPIO0_B7]", + /* GPIO0_C0 - C7 */ + "header1-pin13 [GPIO0_C0]", "header1-pin15 [GPIO0_C1]", "", "", "", + "", "", "", + /* GPIO0_D0 - D8 */ + "", "", "", "", "", "", "", ""; +}; + +&gpio1 { + gpio-line-names = + /* GPIO1_A0 - A7 */ + "", "", "", "", "", "", "", "", + /* GPIO1_B0 - B7 */ + "", "", "", "", "", "", "", "", + /* GPIO1_C0 - C7 */ + "", "", "", "", "", "", "header1-pin21 [GPIO1_C6]", + "header1-pin19 [GPIO1_C7]", + /* GPIO1_D0 - D8 */ + "header1-pin23 [GPIO1_D0]", "header1-pin24 [GPIO1_D1]", "", "", "", + "", "", ""; +}; + +&gpio2 { + gpio-line-names = + /* GPIO2_A0 - A7 */ + "header1-pin10 [GPIO2_A0]", "header1-pin8 [GPIO2_A1]", "", "", + "header1-pin7 [GPIO2_A4]", "header1-pin12 [GPIO2_A5]", + "header2-pin46 [GPIO2_A6]", "header1-pin22 [GPIO1_A7]", + /* GPIO2_B0 - B7 */ + "header2-pin45 [GPIO2_B0]", "header1-pin18 [GPIO2_B1]", + "header1-pin16 [GPIO2_B2]", "header2-pin44 [GPIO2_B3]", + "header2-pin43 [GPIO2_B4]", "header2-pin28 [GPIO2_B5]", + "header2-pin30 [GPIO2_B6]", "header2-pin32 [GPIO2_B7]", + /* GPIO2_C0 - C7 */ + "header2-pin34 [GPIO2_C0]", "", "", "", "", "", "", "", + /* GPIO2_D0 - D8 */ + "", "", "", "", "", "", "", ""; +}; + +&gpio3 { + gpio-line-names = + /* GPIO3_A0 - A7 */ + "", "", "", "", "", "", "", "", + /* GPIO3_B0 - B7 */ + "", "", "header2-pin42 [GPIO3_B2]", "header2-pin41 [GPIO3_B3]", + "header2-pin40 [GPIO3_B4]", "header2-pin39 [GPIO3_B5]", "", "", + /* GPIO3_C0 - C7 */ + "", "", "", "", "", "", "", "", + /* GPIO3_D0 - D8 */ + "", "", "", "", "", "", "", ""; +}; -- 2.41.0.327.gaa9166bcc0ba