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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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 Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
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 Scott Branden <sbranden@broadcom.com>, Eric Anholt <eric@anholt.net>
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Subject: [PATCH 1/6] ARM: dts: bcm283x: Fix DTC warning for memory node
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Date: Sat, 12 Jan 2019 13:43:23 +0100
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Cc: Gottfried Haider <gottfried.haider@gmail.com>, devicetree@vger.kernel.org,
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Compiling the bcm283x DTS with W=1 leads to the following warning:
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Warning (unit_address_vs_reg): /memory: node has a reg or ranges property,
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but no unit name
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Fix this by adding the unit address.
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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/bcm2835-rpi.dtsi         | 2 +-
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 arch/arm/boot/dts/bcm2836-rpi-2-b.dts      | 2 +-
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 arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 2 +-
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 arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 2 +-
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 arch/arm/boot/dts/bcm2837-rpi-3-b.dts      | 2 +-
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 arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi     | 2 +-
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 6 files changed, 6 insertions(+), 6 deletions(-)
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diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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index c6e2b23..e490f2a 100644
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--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
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+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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@@ -1,7 +1,7 @@
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 #include <dt-bindings/power/raspberrypi-power.h>
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 / {
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-	memory {
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+	memory@0 {
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 		device_type = "memory";
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 		reg = <0 0x10000000>;
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 	};
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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 ac4408b..871fc4a 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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@@ -9,7 +9,7 @@
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 	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
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 	model = "Raspberry Pi 2 Model B";
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-	memory {
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+	memory@0 {
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 		reg = <0 0x40000000>;
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 	};
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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index e9fadd3..7f4437a 100644
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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@@ -13,7 +13,7 @@
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 		stdout-path = "serial1:115200n8";
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 	};
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-	memory {
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+	memory@0 {
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 		reg = <0 0x20000000>;
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 	};
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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 42bb090..7d65013 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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@@ -14,7 +14,7 @@
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 		stdout-path = "serial1:115200n8";
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 	};
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-	memory {
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+	memory@0 {
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 		reg = <0 0x40000000>;
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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 0c155dd..9abb9c5 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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@@ -14,7 +14,7 @@
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 		stdout-path = "serial1:115200n8";
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 	};
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-	memory {
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+	memory@0 {
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 		reg = <0 0x40000000>;
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 	};
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diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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index 4a89a18..81399b2 100644
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--- a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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@@ -4,7 +4,7 @@
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 #include "bcm2836-rpi.dtsi"
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 / {
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-	memory {
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+	memory@0 {
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 		reg = <0 0x40000000>;
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 	};
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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 Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
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Subject: [PATCH 2/6] ARM: dts: bcm2835-rpi: Drop unnecessary
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Cc: Gottfried Haider <gottfried.haider@gmail.com>, devicetree@vger.kernel.org,
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Compiling the bcm2835-rpi.dtsi with W=1 leads to the following warning:
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Warning (avoid_unnecessary_addr_size): /soc/firmware: unnecessary
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 #address-cells/#size-cells without "ranges" or child "reg" property
34ee028
34ee028
Fix this by removing these unnecessary properties.
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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/bcm2835-rpi.dtsi | 2 --
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 1 file changed, 2 deletions(-)
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diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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index e490f2a..715d50c 100644
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--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
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+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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@@ -19,8 +19,6 @@
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 	soc {
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 		firmware: firmware {
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 			compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
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-			#address-cells = <0>;
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-			#size-cells = <0>;
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 			mboxes = <&mailbox>;
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 		};
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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Subject: [PATCH 3/6] ARM: dts: bcm2835: Fix labels for GPIO 0,1
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Date: Sat, 12 Jan 2019 13:43:25 +0100
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Cc: Gottfried Haider <gottfried.haider@gmail.com>, devicetree@vger.kernel.org,
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According to the schematics for all RPis with a 40 pin header,
34ee028
the GPIOs 0 and 1 are labeled as ID_SD and ID_SC. In order to
34ee028
clarify that is a I2C bus, append the third letter.
34ee028
34ee028
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
34ee028
---
34ee028
 arch/arm/boot/dts/bcm2835-rpi-a-plus.dts | 4 ++--
34ee028
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 4 ++--
34ee028
 arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 4 ++--
34ee028
 arch/arm/boot/dts/bcm2835-rpi-zero.dts   | 4 ++--
34ee028
 4 files changed, 8 insertions(+), 8 deletions(-)
34ee028
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diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
34ee028
index 2cd9c5e..db8a601 100644
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--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
34ee028
+++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
34ee028
@@ -31,8 +31,8 @@
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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 = "SDA0",
34ee028
-			  "SCL0",
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+	gpio-line-names = "ID_SDA",
34ee028
+			  "ID_SCL",
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 			  "SDA1",
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 			  "SCL1",
34ee028
 			  "GPIO_GCLK",
34ee028
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
34ee028
index cfbdaac..1e40d67 100644
34ee028
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
34ee028
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
34ee028
@@ -33,8 +33,8 @@
34ee028
 	 * "FOO" = GPIO line named "FOO" on the schematic
34ee028
 	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
34ee028
 	 */
34ee028
-	gpio-line-names = "SDA0",
34ee028
-			  "SCL0",
34ee028
+	gpio-line-names = "ID_SDA",
34ee028
+			  "ID_SCL",
34ee028
 			  "SDA1",
34ee028
 			  "SCL1",
34ee028
 			  "GPIO_GCLK",
34ee028
diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
34ee028
index 644d907..5765d34 100644
34ee028
--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
34ee028
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
34ee028
@@ -40,8 +40,8 @@
34ee028
 	 * "FOO" = GPIO line named "FOO" on the schematic
34ee028
 	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
34ee028
 	 */
34ee028
-	gpio-line-names = "GPIO0",
34ee028
-			  "GPIO1",
34ee028
+	gpio-line-names = "ID_SDA",
34ee028
+			  "ID_SCL",
34ee028
 			  "SDA1",
34ee028
 			  "SCL1",
34ee028
 			  "GPIO_GCLK",
34ee028
diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero.dts b/arch/arm/boot/dts/bcm2835-rpi-zero.dts
34ee028
index 00323ba..3b35a8a 100644
34ee028
--- a/arch/arm/boot/dts/bcm2835-rpi-zero.dts
34ee028
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero.dts
34ee028
@@ -28,8 +28,8 @@
34ee028
 	 * "FOO" = GPIO line named "FOO" on the schematic
34ee028
 	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
34ee028
 	 */
34ee028
-	gpio-line-names = "SDA0",
34ee028
-			  "SCL0",
34ee028
+	gpio-line-names = "ID_SDA",
34ee028
+			  "ID_SCL",
34ee028
 			  "SDA1",
34ee028
 			  "SCL1",
34ee028
 			  "GPIO_GCLK",
34ee028
34ee028
From patchwork Sat Jan 12 12:43:26 2019
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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Subject: [PATCH 4/6] ARM: dts: bcm2837-rpi-3-b: Use consistent label for HDMI
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 hotplug
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Date: Sat, 12 Jan 2019 13:43:26 +0100
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Cc: Gottfried Haider <gottfried.haider@gmail.com>, devicetree@vger.kernel.org,
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This make the GPIO label for HDMI hotplug more consistent to the other
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boards.
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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/bcm2837-rpi-3-b.dts | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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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 9abb9c5..31b1c03 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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@@ -39,7 +39,7 @@
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 				  "WL_ON",
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 				  "STATUS_LED",
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 				  "LAN_RUN",
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-				  "HPD_N",
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+				  "HDMI_HPD_N",
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 				  "CAM_GPIO0",
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 				  "CAM_GPIO1",
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 				  "PWR_LOW_N";
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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Subject: [PATCH 5/6] ARM: dts: bcm2837-rpi-3-b-plus: Clarify label for
34ee028
 STATUS_LED
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Date: Sat, 12 Jan 2019 13:43:27 +0100
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The RPI 3 B+ provides control to both LEDs (PWR and ACT). So append
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the first letter of the LED color (like in the schematics) in order
34ee028
to clarify this.
34ee028
34ee028
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
34ee028
---
34ee028
 arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 2 +-
34ee028
 1 file changed, 1 insertion(+), 1 deletion(-)
34ee028
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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
34ee028
index 7d65013..d3ec6cd 100644
34ee028
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
34ee028
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
34ee028
@@ -42,7 +42,7 @@
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 		#gpio-cells = <2>;
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 		gpio-line-names = "BT_ON",
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 				  "WL_ON",
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-				  "STATUS_LED",
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+				  "STATUS_LED_R",
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 				  "LAN_RUN",
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 				  "",
34ee028
 				  "CAM_GPIO0",
34ee028
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From: Stefan Wahren <stefan.wahren@i2se.com>
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To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
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 Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>,
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 Scott Branden <sbranden@broadcom.com>, Eric Anholt <eric@anholt.net>
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Subject: [PATCH 6/6] ARM: dts: bcm283x: Add missing GPIO line names
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Date: Sat, 12 Jan 2019 13:43:28 +0100
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Cc: Gottfried Haider <gottfried.haider@gmail.com>, devicetree@vger.kernel.org,
34ee028
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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. In the lack
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of full schematics i would leave all undocumented pins as unnamed.
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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 871fc4a..7b4e651 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 d3ec6cd..c6fa34c 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 31b1c03..ce71f57 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:
34ee028
+	 * "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
34ee028
+	 */
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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>;