diff options
author | Matthias Klein <matthias.klein@linux.com> | 2014-11-20 10:52:45 +0000 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2014-11-20 12:17:25 +0100 |
commit | ba2a1d6959acfc387c20eae6480b1c4b3bbc5950 (patch) | |
tree | 8252c652b77f179d6b0324c341b502c0f84e7c8c /arch | |
parent | 498149dd1218625867d5139773c560f9f12193c9 (diff) | |
download | linux-ba2a1d6959acfc387c20eae6480b1c4b3bbc5950.tar.bz2 |
ARM: bcm2835: Add device tree for Raspberry Pi model B+
The model B and B+ differ in the GPIO lines for ACT and PWR leds, and the
I2S interface.
Signed-off-by: Matthias Klein <matthias.klein@linux.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 30 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi-b.dts | 46 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi.dtsi | 51 |
4 files changed, 85 insertions, 43 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 2b57568af583..165a6add38b9 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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_CYGNUS) += \ bcm911360_entphn.dtb \ bcm911360k.dtb \ diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts new file mode 100644 index 000000000000..e479515099c3 --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts @@ -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 */ + }; +}; diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts index 58a0d60b95f1..bafa46fc226a 100644 --- a/arch/arm/boot/dts/bcm2835-rpi-b.dts +++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts @@ -1,63 +1,23 @@ /dts-v1/; -/include/ "bcm2835.dtsi" +/include/ "bcm2835-rpi.dtsi" / { compatible = "raspberrypi,model-b", "brcm,bcm2835"; model = "Raspberry Pi Model B"; - memory { - reg = <0 0x10000000>; - }; - leds { - compatible = "gpio-leds"; - act { - label = "ACT"; gpios = <&gpio 16 1>; - default-state = "keep"; - linux,default-trigger = "heartbeat"; }; }; }; &gpio { - pinctrl-names = "default"; - pinctrl-0 = <&gpioout &alt0 &alt2 &alt3>; - - gpioout: gpioout { - brcm,pins = <6>; - brcm,function = <1>; /* GPIO out */ - }; - - alt0: alt0 { - brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>; - brcm,function = <4>; /* alt0 */ - }; - - alt3: alt3 { - brcm,pins = <48 49 50 51 52 53>; - brcm,function = <7>; /* alt3 */ - }; + pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>; /* I2S interface */ - alt2: alt2 { + i2s_alt2: i2s_alt2 { brcm,pins = <28 29 30 31>; brcm,function = <6>; /* alt2 */ }; }; - -&i2c0 { - status = "okay"; - clock-frequency = <100000>; -}; - -&i2c1 { - status = "okay"; - clock-frequency = <100000>; -}; - -&sdhci { - status = "okay"; - bus-width = <4>; -}; diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi new file mode 100644 index 000000000000..c7064487017d --- /dev/null +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -0,0 +1,51 @@ +/include/ "bcm2835.dtsi" + +/ { + memory { + reg = <0 0x10000000>; + }; + + leds { + compatible = "gpio-leds"; + + act { + label = "ACT"; + default-state = "keep"; + linux,default-trigger = "heartbeat"; + }; + }; +}; + +&gpio { + pinctrl-names = "default"; + + gpioout: gpioout { + brcm,pins = <6>; + brcm,function = <1>; /* GPIO out */ + }; + + alt0: alt0 { + brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>; + brcm,function = <4>; /* alt0 */ + }; + + alt3: alt3 { + brcm,pins = <48 49 50 51 52 53>; + brcm,function = <7>; /* alt3 */ + }; +}; + +&i2c0 { + status = "okay"; + clock-frequency = <100000>; +}; + +&i2c1 { + status = "okay"; + clock-frequency = <100000>; +}; + +&sdhci { + status = "okay"; + bus-width = <4>; +}; |