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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 19:28:36 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-20 15:06:20 +0100 |
| commit | 1d0b3c8ac40c21e71c2b84d273145d71a66311b7 (patch) | |
| tree | 423e8cdcb958a661d422bcff6ad35c1287dcac3d | |
| parent | ad2c5cb39faf64881ce392a410df4f01315439e9 (diff) | |
| download | barebox-1d0b3c8ac40c21e71c2b84d273145d71a66311b7.tar.gz barebox-1d0b3c8ac40c21e71c2b84d273145d71a66311b7.tar.xz | |
rpi: Enable USB Power domain during startup
Enable the USB Power domain during startup. The power domain is
abstracted as a regulator in barebox, but modelled as a power domain in
the device tree. Until this is sorted out just enable the power domain
or regulator in the board code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/boards/raspberry-pi/rpi-common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/boards/raspberry-pi/rpi-common.c b/arch/arm/boards/raspberry-pi/rpi-common.c index acb26f6a64..45961b52ee 100644 --- a/arch/arm/boards/raspberry-pi/rpi-common.c +++ b/arch/arm/boards/raspberry-pi/rpi-common.c @@ -21,6 +21,7 @@ #include <linux/clk.h> #include <linux/clkdev.h> #include <envfs.h> +#include <regulator.h> #include <malloc.h> #include <libfile.h> #include <gpio.h> @@ -462,11 +463,20 @@ static void rpi_vc_fdt(void) static int rpi_devices_init(void) { + struct regulator *reg; + rpi_model_init(); bcm2835_register_fb(); armlinux_set_architecture(MACH_TYPE_BCM2708); rpi_env_init(); rpi_vc_fdt(); + + reg = regulator_get_name("bcm2835_usb"); + if (IS_ERR(reg)) + return PTR_ERR(reg); + + regulator_enable(reg); + return 0; } late_initcall(rpi_devices_init); |