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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ifV6qRD+BfML9e9yBRlXMcsiNht/UBMmDXk01DtXIfo=; b=bOmmr7F3kaSO/91oa95aGuhVQdcWWYugsr+CE8xm+k5yqa6rD3tWSnVSL4aTaJ3s4l w7htbptawxTUk2w0UDe5+PXqtqqWgHBQocVNe/NPPsIKEGT8/IvOro8y4Y7Qee21rSMC EVUF0164s1bYOhRW5fviFgQZS0zWfujfRpXQMF3p4N1buOOKN8BJx2nfodCAhUdSaXfY n/s/92FEjkRHjECei66nsjqiQmvIjXrJ9jpiaBlN+L6yAJOspFZMjkiazsdtAXZgsAm+ 4cBhaiFSMKt6eHFwaOFWd7VRwQvkwzlkxPW6alszzUTsgegqV0fac3oK+/UBKiVKbhsZ xtYg== X-Gm-Message-State: AJcUukeU+N3z6X4b8ytem/ftbBYuaYBFJAdo1d+0B7NpPhLlVkk58rnn cJFJ949yc9GUVdoPjBWIUFHB9uOx72caMGnPouI= X-Google-Smtp-Source: ALg8bN6roek0t37jI0sSfhfrDay1zr3XjNEU+zFuZNg/XtGa0kqhQBsQng/vV3Jv2bS6hVy3NgOHT/NGQlI5ip2z3dI= X-Received: by 2002:adf:9d85:: with SMTP id p5mr24912152wre.41.1548046358464; Sun, 20 Jan 2019 20:52:38 -0800 (PST) MIME-Version: 1.0 References: <1547297008-2740-1-git-send-email-stefan.wahren@i2se.com> <1547297008-2740-7-git-send-email-stefan.wahren@i2se.com> In-Reply-To: <1547297008-2740-7-git-send-email-stefan.wahren@i2se.com> From: Peter Robinson Date: Mon, 21 Jan 2019 04:52:26 +0000 Message-ID: Subject: Re: [PATCH 6/6] ARM: dts: bcm283x: Add missing GPIO line names To: Stefan Wahren X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190120_205242_046069_8480A767 X-CRM114-Status: GOOD ( 19.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Gottfried Haider , Florian Fainelli , Scott Branden , devicetree@vger.kernel.org, Ray Jui , Phil Elwell , Eric Anholt , Rob Herring , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Jan 12, 2019 at 12:44 PM Stefan Wahren wrote: > > The GPIO sysfs is deprecated and disabled in the defconfig files. > So in order to motivate the usage of the new GPIO character device API > add the missing GPIO line names for Raspberry Pi 2 and 3. In the lack > of full schematics i would leave all undocumented pins as unnamed. > > Signed-off-by: Stefan Wahren Tested-by: Peter Robinson Tested on RPi2/3/3B+ using lsgpio > --- > arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 66 ++++++++++++++++++++++++++++ > arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 70 ++++++++++++++++++++++++++++++ > arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 70 ++++++++++++++++++++++++++++++ > 3 files changed, 206 insertions(+) > > diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts > index 871fc4a..7b4e651 100644 > --- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts > +++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts > @@ -28,6 +28,72 @@ > }; > > &gpio { > + /* > + * Taken from rpi_SCH_2b_1p2_reduced.pdf and > + * the official GPU firmware DT blob. > + * > + * Legend: > + * "NC" = not connected (no rail from the SoC) > + * "FOO" = GPIO line named "FOO" on the schematic > + * "FOO_N" = GPIO line named "FOO" on schematic, active low > + */ > + gpio-line-names = "ID_SDA", > + "ID_SCL", > + "SDA1", > + "SCL1", > + "GPIO_GCLK", > + "GPIO5", > + "GPIO6", > + "SPI_CE1_N", > + "SPI_CE0_N", > + "SPI_MISO", > + "SPI_MOSI", > + "SPI_SCLK", > + "GPIO12", > + "GPIO13", > + /* Serial port */ > + "TXD0", > + "RXD0", > + "GPIO16", > + "GPIO17", > + "GPIO18", > + "GPIO19", > + "GPIO20", > + "GPIO21", > + "GPIO22", > + "GPIO23", > + "GPIO24", > + "GPIO25", > + "GPIO26", > + "GPIO27", > + "SDA0", > + "SCL0", > + "", /* GPIO30 */ > + "LAN_RUN", > + "CAM_GPIO1", > + "", /* GPIO33 */ > + "", /* GPIO34 */ > + "PWR_LOW_N", > + "", /* GPIO36 */ > + "", /* GPIO37 */ > + "USB_LIMIT", > + "", /* GPIO39 */ > + "PWM0_OUT", > + "CAM_GPIO0", > + "SMPS_SCL", > + "SMPS_SDA", > + "ETHCLK", > + "PWM1_OUT", > + "HDMI_HPD_N", > + "STATUS_LED", > + /* Used by SD Card */ > + "SD_CLK_R", > + "SD_CMD_R", > + "SD_DATA0_R", > + "SD_DATA1_R", > + "SD_DATA2_R", > + "SD_DATA3_R"; > + > pinctrl-0 = <&gpioout &alt0 &i2s_alt0>; > > /* I2S interface */ > diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts > index d3ec6cd..c6fa34c 100644 > --- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts > +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts > @@ -52,6 +52,76 @@ > }; > }; > > +&gpio { > + /* > + * Taken from rpi_SCH_3bplus_1p0_reduced.pdf and > + * the official GPU firmware DT blob. > + * > + * Legend: > + * "NC" = not connected (no rail from the SoC) > + * "FOO" = GPIO line named "FOO" on the schematic > + * "FOO_N" = GPIO line named "FOO" on schematic, active low > + */ > + gpio-line-names = "ID_SDA", > + "ID_SCL", > + "SDA1", > + "SCL1", > + "GPIO_GCLK", > + "GPIO5", > + "GPIO6", > + "SPI_CE1_N", > + "SPI_CE0_N", > + "SPI_MISO", > + "SPI_MOSI", > + "SPI_SCLK", > + "GPIO12", > + "GPIO13", > + /* Serial port */ > + "TXD1", > + "RXD1", > + "GPIO16", > + "GPIO17", > + "GPIO18", > + "GPIO19", > + "GPIO20", > + "GPIO21", > + "GPIO22", > + "GPIO23", > + "GPIO24", > + "GPIO25", > + "GPIO26", > + "GPIO27", > + "HDMI_HPD_N", > + "STATUS_LED_G", > + /* Used by BT module */ > + "CTS0", > + "RTS0", > + "TXD0", > + "RXD0", > + /* Used by Wifi */ > + "SD1_CLK", > + "SD1_CMD", > + "SD1_DATA0", > + "SD1_DATA1", > + "SD1_DATA2", > + "SD1_DATA3", > + "PWM0_OUT", > + "PWM1_OUT", > + "ETHCLK", > + "WIFI_CLK", > + "SDA0", > + "SCL0", > + "SMPS_SCL", > + "SMPS_SDA", > + /* Used by SD Card */ > + "SD_CLK_R", > + "SD_CMD_R", > + "SD_DATA0_R", > + "SD_DATA1_R", > + "SD_DATA2_R", > + "SD_DATA3_R"; > +}; > + > &hdmi { > hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; > }; > diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts > index 31b1c03..ce71f57 100644 > --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts > +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts > @@ -47,6 +47,76 @@ > }; > }; > > +&gpio { > + /* > + * Taken from rpi_SCH_3b_1p2_reduced.pdf and > + * the official GPU firmware DT blob. > + * > + * Legend: > + * "NC" = not connected (no rail from the SoC) > + * "FOO" = GPIO line named "FOO" on the schematic > + * "FOO_N" = GPIO line named "FOO" on schematic, active low > + */ > + gpio-line-names = "ID_SDA", > + "ID_SCL", > + "SDA1", > + "SCL1", > + "GPIO_GCLK", > + "GPIO5", > + "GPIO6", > + "SPI_CE1_N", > + "SPI_CE0_N", > + "SPI_MISO", > + "SPI_MOSI", > + "SPI_SCLK", > + "GPIO12", > + "GPIO13", > + /* Serial port */ > + "TXD1", > + "RXD1", > + "GPIO16", > + "GPIO17", > + "GPIO18", > + "GPIO19", > + "GPIO20", > + "GPIO21", > + "GPIO22", > + "GPIO23", > + "GPIO24", > + "GPIO25", > + "GPIO26", > + "GPIO27", > + "", /* GPIO 28 */ > + "LAN_RUN_BOOT", > + /* Used by BT module */ > + "CTS0", > + "RTS0", > + "TXD0", > + "RXD0", > + /* Used by Wifi */ > + "SD1_CLK", > + "SD1_CMD", > + "SD1_DATA0", > + "SD1_DATA1", > + "SD1_DATA2", > + "SD1_DATA3", > + "PWM0_OUT", > + "PWM1_OUT", > + "ETHCLK", > + "WIFI_CLK", > + "SDA0", > + "SCL0", > + "SMPS_SCL", > + "SMPS_SDA", > + /* Used by SD Card */ > + "SD_CLK_R", > + "SD_CMD_R", > + "SD_DATA0_R", > + "SD_DATA1_R", > + "SD_DATA2_R", > + "SD_DATA3_R"; > +}; > + > &pwm { > pinctrl-names = "default"; > pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>; > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel