diff options
Diffstat (limited to 'configs/platform-rpi/patches/linux-4.4/0014-ARM-bcm2835-Add-the-Raspberry-Pi-power-domain-driver.patch')
| -rw-r--r-- | configs/platform-rpi/patches/linux-4.4/0014-ARM-bcm2835-Add-the-Raspberry-Pi-power-domain-driver.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/configs/platform-rpi/patches/linux-4.4/0014-ARM-bcm2835-Add-the-Raspberry-Pi-power-domain-driver.patch b/configs/platform-rpi/patches/linux-4.4/0014-ARM-bcm2835-Add-the-Raspberry-Pi-power-domain-driver.patch new file mode 100644 index 0000000..6bbce3f --- /dev/null +++ b/configs/platform-rpi/patches/linux-4.4/0014-ARM-bcm2835-Add-the-Raspberry-Pi-power-domain-driver.patch @@ -0,0 +1,60 @@ +From: Alexander Aring <alex.aring@gmail.com> +Date: Wed, 16 Dec 2015 16:26:49 -0800 +Subject: [PATCH] ARM: bcm2835: Add the Raspberry Pi power domain driver to the + DT. + +This connects the USB driver to the USB power domain, so that USB can +actually be turned on at boot if the bootloader didn't do it for us. + +Signed-off-by: Alexander Aring <alex.aring@gmail.com> +Signed-off-by: Eric Anholt <eric@anholt.net> +Signed-off-by: Alexander Aring <alex.aring@gmail.com> +--- + arch/arm/boot/dts/bcm2835-rpi.dtsi | 12 ++++++++++++ + arch/arm/boot/dts/bcm283x.dtsi | 2 +- + 2 files changed, 13 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi +index 3afb9fefe2d1..aad668c81d8c 100644 +--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi +@@ -1,3 +1,5 @@ ++#include <dt-bindings/soc/raspberrypi-power.h> ++ + / { + memory { + reg = <0 0x10000000>; +@@ -18,6 +20,12 @@ + compatible = "raspberrypi,bcm2835-firmware"; + mboxes = <&mailbox>; + }; ++ ++ power: power { ++ compatible = "raspberrypi,bcm2835-power"; ++ firmware = <&firmware>; ++ #power-domain-cells = <1>; ++ }; + }; + }; + +@@ -58,3 +66,7 @@ + status = "okay"; + bus-width = <4>; + }; ++ ++&usb { ++ power-domains = <&power RPI_POWER_DOMAIN_USB>; ++}; +diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi +index bf74e8afbe88..c8e8e4b98097 100644 +--- a/arch/arm/boot/dts/bcm283x.dtsi ++++ b/arch/arm/boot/dts/bcm283x.dtsi +@@ -180,7 +180,7 @@ + status = "disabled"; + }; + +- usb@7e980000 { ++ usb: usb@7e980000 { + compatible = "brcm,bcm2835-usb"; + reg = <0x7e980000 0x10000>; + interrupts = <1 9>; |