A few Raspberry Pi cleanups, add gpio line names
This commit is contained in:
Peter Robinson
parent
c50bbd2bed
commit
8c38f1d976
@ -267,7 +267,7 @@ index 0000000..b2df7cf
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+// SPDX-License-Identifier: GPL-2.0
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+/dts-v1/;
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+#include "bcm2837.dtsi"
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+#include "bcm2835-rpi.dtsi"
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+#include "bcm2836-rpi.dtsi"
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+#include "bcm283x-rpi-usb-host.dtsi"
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+
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+/ {
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255
bcm283x-Add-missing-GPIO-line-names.patch
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255
bcm283x-Add-missing-GPIO-line-names.patch
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@ -0,0 +1,255 @@
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From 99909530ec9b6e9b1b3b756a05a83fa1c7d6d4bc Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <stefan.wahren@i2se.com>
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Date: Tue, 1 Jan 2019 18:29:08 +0100
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Subject: [PATCH] ARM: dts: bcm283x: Add missing GPIO line names
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The GPIO sysfs is deprecated and disabled in the defconfig files.
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So in order to motivate the usage of the new GPIO character device API
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add the missing GPIO line names for Raspberry Pi 2 and 3.
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Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
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---
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arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 66 ++++++++++++++++++++
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arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 70 ++++++++++++++++++++++
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arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 70 ++++++++++++++++++++++
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3 files changed, 206 insertions(+)
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diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
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index 871fc4a558cf..7b4e651bafdd 100644
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--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
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+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
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@@ -28,6 +28,72 @@
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};
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&gpio {
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+ /*
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+ * Taken from rpi_SCH_2b_1p2_reduced.pdf and
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+ * the official GPU firmware DT blob.
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+ *
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+ * Legend:
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+ * "NC" = not connected (no rail from the SoC)
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+ * "FOO" = GPIO line named "FOO" on the schematic
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+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
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+ */
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+ gpio-line-names = "ID_SDA",
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+ "ID_SCL",
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+ "SDA1",
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+ "SCL1",
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+ "GPIO_GCLK",
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+ "GPIO5",
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+ "GPIO6",
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+ "SPI_CE1_N",
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+ "SPI_CE0_N",
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+ "SPI_MISO",
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+ "SPI_MOSI",
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+ "SPI_SCLK",
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+ "GPIO12",
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+ "GPIO13",
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+ /* Serial port */
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+ "TXD0",
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+ "RXD0",
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+ "GPIO16",
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+ "GPIO17",
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+ "GPIO18",
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+ "GPIO19",
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+ "GPIO20",
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+ "GPIO21",
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+ "GPIO22",
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+ "GPIO23",
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+ "GPIO24",
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+ "GPIO25",
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+ "GPIO26",
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+ "GPIO27",
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+ "SDA0",
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+ "SCL0",
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+ "", /* GPIO30 */
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+ "LAN_RUN",
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+ "CAM_GPIO1",
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+ "", /* GPIO33 */
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+ "", /* GPIO34 */
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+ "PWR_LOW_N",
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+ "", /* GPIO36 */
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+ "", /* GPIO37 */
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+ "USB_LIMIT",
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+ "", /* GPIO39 */
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+ "PWM0_OUT",
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+ "CAM_GPIO0",
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+ "SMPS_SCL",
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+ "SMPS_SDA",
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+ "ETHCLK",
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+ "PWM1_OUT",
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+ "HDMI_HPD_N",
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+ "STATUS_LED",
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+ /* Used by SD Card */
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+ "SD_CLK_R",
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+ "SD_CMD_R",
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+ "SD_DATA0_R",
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+ "SD_DATA1_R",
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+ "SD_DATA2_R",
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+ "SD_DATA3_R";
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+
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pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
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/* I2S interface */
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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index 94886fcaf0b9..9358f8481f36 100644
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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@@ -52,6 +52,76 @@
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};
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};
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+&gpio {
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+ /*
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+ * Taken from rpi_SCH_3bplus_1p0_reduced.pdf and
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+ * the official GPU firmware DT blob.
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+ *
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+ * Legend:
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+ * "NC" = not connected (no rail from the SoC)
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+ * "FOO" = GPIO line named "FOO" on the schematic
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+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
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+ */
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+ gpio-line-names = "ID_SDA",
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+ "ID_SCL",
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+ "SDA1",
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+ "SCL1",
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+ "GPIO_GCLK",
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+ "GPIO5",
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+ "GPIO6",
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+ "SPI_CE1_N",
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+ "SPI_CE0_N",
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+ "SPI_MISO",
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+ "SPI_MOSI",
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+ "SPI_SCLK",
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+ "GPIO12",
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+ "GPIO13",
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+ /* Serial port */
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+ "TXD1",
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+ "RXD1",
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+ "GPIO16",
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+ "GPIO17",
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+ "GPIO18",
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+ "GPIO19",
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+ "GPIO20",
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+ "GPIO21",
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+ "GPIO22",
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+ "GPIO23",
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+ "GPIO24",
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+ "GPIO25",
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+ "GPIO26",
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+ "GPIO27",
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+ "HDMI_HPD_N",
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+ "STATUS_LED_G",
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+ /* Used by BT module */
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+ "CTS0",
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+ "RTS0",
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+ "TXD0",
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+ "RXD0",
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+ /* Used by Wifi */
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+ "SD1_CLK",
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+ "SD1_CMD",
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+ "SD1_DATA0",
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+ "SD1_DATA1",
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+ "SD1_DATA2",
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+ "SD1_DATA3",
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+ "PWM0_OUT",
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+ "PWM1_OUT",
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+ "ETHCLK",
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+ "WIFI_CLK",
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+ "SDA0",
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+ "SCL0",
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+ "SMPS_SCL",
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+ "SMPS_SDA",
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+ /* Used by SD Card */
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+ "SD_CLK_R",
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+ "SD_CMD_R",
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+ "SD_DATA0_R",
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+ "SD_DATA1_R",
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+ "SD_DATA2_R",
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+ "SD_DATA3_R";
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+};
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+
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&hdmi {
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hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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};
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
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index 31b1c03e0ff7..ce71f578c51a 100644
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
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@@ -47,6 +47,76 @@
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};
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};
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+&gpio {
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+ /*
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+ * Taken from rpi_SCH_3b_1p2_reduced.pdf and
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+ * the official GPU firmware DT blob.
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+ *
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+ * Legend:
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+ * "NC" = not connected (no rail from the SoC)
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+ * "FOO" = GPIO line named "FOO" on the schematic
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+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
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+ */
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+ gpio-line-names = "ID_SDA",
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+ "ID_SCL",
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+ "SDA1",
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+ "SCL1",
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+ "GPIO_GCLK",
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+ "GPIO5",
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+ "GPIO6",
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+ "SPI_CE1_N",
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+ "SPI_CE0_N",
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+ "SPI_MISO",
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+ "SPI_MOSI",
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+ "SPI_SCLK",
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+ "GPIO12",
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+ "GPIO13",
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+ /* Serial port */
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+ "TXD1",
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+ "RXD1",
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+ "GPIO16",
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+ "GPIO17",
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+ "GPIO18",
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+ "GPIO19",
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+ "GPIO20",
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+ "GPIO21",
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+ "GPIO22",
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+ "GPIO23",
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+ "GPIO24",
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+ "GPIO25",
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+ "GPIO26",
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+ "GPIO27",
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+ "", /* GPIO 28 */
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+ "LAN_RUN_BOOT",
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+ /* Used by BT module */
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+ "CTS0",
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+ "RTS0",
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+ "TXD0",
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+ "RXD0",
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+ /* Used by Wifi */
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+ "SD1_CLK",
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+ "SD1_CMD",
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+ "SD1_DATA0",
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+ "SD1_DATA1",
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+ "SD1_DATA2",
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+ "SD1_DATA3",
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+ "PWM0_OUT",
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+ "PWM1_OUT",
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+ "ETHCLK",
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+ "WIFI_CLK",
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+ "SDA0",
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+ "SCL0",
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+ "SMPS_SCL",
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+ "SMPS_SDA",
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+ /* Used by SD Card */
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+ "SD_CLK_R",
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+ "SD_CMD_R",
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+ "SD_DATA0_R",
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+ "SD_DATA1_R",
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+ "SD_DATA2_R",
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+ "SD_DATA3_R";
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+};
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+
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>;
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10
kernel.spec
10
kernel.spec
@ -574,13 +574,15 @@ Patch305: qcom-msm89xx-fixes.patch
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# https://patchwork.kernel.org/project/linux-mmc/list/?submitter=71861
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Patch306: arm-sdhci-esdhc-imx-fixes.patch
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Patch330: bcm2835-cpufreq-add-CPU-frequency-control-driver.patch
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# Initall support for the 3A+
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Patch334: bcm2837-dts-add-Raspberry-Pi-3-A.patch
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Patch330: bcm2837-dts-add-Raspberry-Pi-3-A.patch
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# https://patchwork.kernel.org/patch/10741809/
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Patch336: bcm2835-mmc-sdhci-iproc-handle-mmc_of_parse-errors-during-probe.patch
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Patch331: bcm2835-mmc-sdhci-iproc-handle-mmc_of_parse-errors-during-probe.patch
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Patch332: bcm283x-Add-missing-GPIO-line-names.patch
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Patch339: bcm2835-cpufreq-add-CPU-frequency-control-driver.patch
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# Fix for AllWinner A64 Timer Errata, still not final
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# https://patchwork.kernel.org/patch/10392891/
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