diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-01-25 06:00:36 (GMT) |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2016-01-25 20:50:10 (GMT) |
| commit | 4feefdcfe916113ac6e1837ea22857f25fe1771c (patch) | |
| tree | 17f96858bc2aaa8c7e5ea67a25701ef85ec1029e /drivers/usb | |
| parent | 9dc8ba19c50fc0b1623c654bcfe6caa903a4c36c (diff) | |
| download | u-boot-4feefdcfe916113ac6e1837ea22857f25fe1771c.tar.xz | |
usb: add clock support for generic EHCI
This driver is designed in a generic manner, so clocks should be
handled genericly as well.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-generic.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c index 1292caa..84114c5 100644 --- a/drivers/usb/host/ehci-generic.c +++ b/drivers/usb/host/ehci-generic.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <clk.h> #include <dm.h> #include "ehci.h" @@ -21,6 +22,19 @@ static int ehci_usb_probe(struct udevice *dev) { struct ehci_hccr *hccr = (struct ehci_hccr *)dev_get_addr(dev); struct ehci_hcor *hcor; + int i; + + for (i = 0; ; i++) { + struct udevice *clk_dev; + int clk_id; + + clk_id = clk_get_by_index(dev, i, &clk_dev); + if (clk_id < 0) + break; + if (clk_enable(clk_dev, clk_id)) + printf("failed to enable clock (dev=%s, id=%d)\n", + clk_dev->name, clk_id); + } hcor = (struct ehci_hcor *)((uintptr_t)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); |