From 4feefdcfe916113ac6e1837ea22857f25fe1771c Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Mon, 25 Jan 2016 15:00:36 +0900 Subject: [PATCH] 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 --- drivers/usb/host/ehci-generic.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c index 1292caae4d..84114c5df9 100644 --- a/drivers/usb/host/ehci-generic.c +++ b/drivers/usb/host/ehci-generic.c @@ -5,6 +5,7 @@ */ #include +#include #include #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))); -- 2.30.2