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ARM: bcm2835: Add device tree for Raspberry Pi model B+

PATCH Applied Lee Jones 2 participants 3 messages Nov 20, 2014

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Lee Jones

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#0 lore raw

PATCH 1/1 ARM: bcm2835: Add device tree for Raspberry Pi model B+

From: Matthias Klein <[email protected]>

The model B and B+ differ in the GPIO lines for ACT and PWR leds, and the I2S interface.

---

As requested by Arnd.

 arch/arm/boot/dts/Makefile               |  1 +
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 30 +++++++++++++++++++
 arch/arm/boot/dts/bcm2835-rpi-b.dts      | 46 ++--------------------------
 arch/arm/boot/dts/bcm2835-rpi.dtsi       | 51 ++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 43 deletions(-)
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi.dtsi
arch/arm/boot/dts/Makefile +1 -0
index 38c89ca..cbf7db6 100644
@@ -54,6 +54,7 @@ dtb-$(CONFIG_ARCH_AT91)	+= at91-sama5d4ek.dtb
 dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
 dtb-$(CONFIG_ARCH_AXXIA) += axm5516-amarillo.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
+dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b-plus.dtb
 dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BCM_63XX) += bcm963138dvt.dtb
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \
arch/arm/boot/dts/bcm2835-rpi-b-plus.dts new file +30 -0
new file mode 100644
index 0000000..e479515
@@ -0,0 +1,30 @@
+/dts-v1/;
+/include/ "bcm2835-rpi.dtsi"
+
+/ {
+	compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
+	model = "Raspberry Pi Model B+";
+
+	leds {
+		act {
+			gpios = <&gpio 47 0>;
+		};
+
+		pwr {
+			label = "PWR";
+			gpios = <&gpio 35 0>;
+			default-state = "keep";
+			linux,default-trigger = "default-on";
+		};
+	};
+};
+
+&gpio {
+	pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
+
+	/* I2S interface */
+	i2s_alt0: i2s_alt0 {
+		brcm,pins = <18 19 20 21>;
+		brcm,function = <4>; /* alt0 */
+	};
+};
arch/arm/boot/dts/bcm2835-rpi-b.dts +3 -43

66 lines not on this page · raw message

arch/arm/boot/dts/bcm2835-rpi.dtsi new file +51 -0

51 lines not on this page · raw message

Signature · 1 line
1.9.1
maintainer Applied
#1 lore raw
Quoted 12 lines · On Thursday 20 November 2014 10:52:45 Lee Jones wrote:

From: Matthias Klein <[email protected]>

The model B and B+ differ in the GPIO lines for ACT and PWR leds, and the I2S interface.

---

As requested by Arnd.

Quoted 8 lines
 arch/arm/boot/dts/Makefile               |  1 +
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 30 +++++++++++++++++++
 arch/arm/boot/dts/bcm2835-rpi-b.dts      | 46 ++--------------------------
 arch/arm/boot/dts/bcm2835-rpi.dtsi       | 51 ++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 43 deletions(-)
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi.dtsi

Applied to next/dt.

When you send a patch for inclusion the next time, better be explicit and ask for it to be picked up into arm-soc, so we know it's not just for review.

Thanks,

Arnd

author
#2 lore raw
Quoted 22 lines · Arnd Bergmann
Quoted 12 lines · On Thursday 20 November 2014 10:52:45 Lee Jones wrote:

From: Matthias Klein <[email protected]>

The model B and B+ differ in the GPIO lines for ACT and PWR leds, and the I2S interface.

---

As requested by Arnd.

Quoted 8 lines
 arch/arm/boot/dts/Makefile               |  1 +
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 30 +++++++++++++++++++
 arch/arm/boot/dts/bcm2835-rpi-b.dts      | 46 ++--------------------------
 arch/arm/boot/dts/bcm2835-rpi.dtsi       | 51 ++++++++++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 43 deletions(-)
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi.dtsi
Quoted 5 lines

Applied to next/dt.

When you send a patch for inclusion the next time, better be explicit and ask for it to be picked up into arm-soc, so we know it's not just for review.

Sounds reasonable. Thanks Arnd.