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Thu, 27 Mar 2025 11:27:05 +0000 From: Nikolaos Pasaloukos To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , James Cowgill , Matt Redfearn , Neil Jones , Linus Walleij , Bartosz Golaszewski , Matt Redfearn , Catalin Marinas , Will Deacon CC: "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-gpio@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Nikolaos Pasaloukos Subject: [PATCH v2 3/3] arm64: dts: blaize-blzp1600: Enable GPIO support Thread-Topic: [PATCH v2 3/3] arm64: dts: blaize-blzp1600: Enable GPIO support Thread-Index: AQHbnwsr8t06J68oF0WylvpAtNCDMg== Date: Thu, 27 Mar 2025 11:27:05 +0000 Message-ID: <20250327-kernel-upstreaming-add_gpio_support-v2-3-bbe51f8d66da@blaize.com> References: <20250327-kernel-upstreaming-add_gpio_support-v2-0-bbe51f8d66da@blaize.com> In-Reply-To: <20250327-kernel-upstreaming-add_gpio_support-v2-0-bbe51f8d66da@blaize.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MA0PR01MB10184:EE_|MAZPR01MB8910:EE_ x-ms-office365-filtering-correlation-id: 1f420926-929a-4e97-b130-08dd6d224dd1 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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This interface is used to control signals on many other peripherals, such as Ethernet, USB, SD and eMMC. Signed-off-by: Nikolaos Pasaloukos --- arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts | 36 ++++++++++++++++++++++ arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi | 12 ++++++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts index 7e3cef2ed3522e202487e799b2021cd45398e006..fb5415eb347a028fc65090027a4c4fc89c8280f5 100644 --- a/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts @@ -81,3 +81,39 @@ gpio_expander_m2: gpio@75 { "UART1_TO_RSP"; /* GPIO_15 */ }; }; + +&gpio0 { + status = "okay"; + gpio-line-names = "PERST_N", /* GPIO_0 */ + "LM96063_ALERT_N", /* GPIO_1 */ + "INA3221_PV", /* GPIO_2 */ + "INA3221_CRIT", /* GPIO_3 */ + "INA3221_WARN", /* GPIO_4 */ + "INA3221_TC", /* GPIO_5 */ + "QSPI0_RST_N", /* GPIO_6 */ + "LM96063_TCRIT_N", /* GPIO_7 */ + "DSI_TCH_INT", /* GPIO_8 */ + "DSI_RST", /* GPIO_9 */ + "DSI_BL", /* GPIO_10 */ + "DSI_INT", /* GPIO_11 */ + "ETH_RST", /* GPIO_12 */ + "CSI0_RST", /* GPIO_13 */ + "CSI0_PWDN", /* GPIO_14 */ + "CSI1_RST", /* GPIO_15 */ + "CSI1_PWDN", /* GPIO_16 */ + "CSI2_RST", /* GPIO_17 */ + "CSI2_PWDN", /* GPIO_18 */ + "CSI3_RST", /* GPIO_19 */ + "CSI3_PWDN", /* GPIO_20 */ + "ADAC_RST", /* GPIO_21 */ + "SD_SW_VDD", /* GPIO_22 */ + "SD_PON_VDD", /* GPIO_23 */ + "GPIO_EXP_INT", /* GPIO_24 */ + "BOARD_ID_0", /* GPIO_25 */ + "SDIO1_SW_VDD", /* GPIO_26 */ + "SDIO1_PON_VDD", /* GPIO_27 */ + "SDIO2_SW_VDD", /* GPIO_28 */ + "SDIO2_PON_VDD", /* GPIO_29 */ + "BOARD_ID_1", /* GPIO_30 */ + "BOARD_ID_2"; /* GPIO_31 */ +}; diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi index 7d399e6a532f5b24385dd837be965be771c7d24c..5a6c882b2f57d57d304869dee877c996cbabb712 100644 --- a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi @@ -120,6 +120,18 @@ gic: interrupt-controller@410000 { IRQ_TYPE_LEVEL_LOW)>; }; + gpio0: gpio@4c0000 { + compatible = "blaize,blzp1600-gpio"; + reg = <0x4c0000 0x1000>; + gpio-controller; + #gpio-cells = <2>; + ngpios = <32>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + status = "disabled"; + }; + uart0: serial@4d0000 { compatible = "ns16550a"; reg = <0x4d0000 0x1000>;