clk: at91: add PMC usb clock

This patch adds new at91 usb clock implementation using common clk framework.
This clock is used to clock usb ports (ohci, ehci and udc).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 8e18ab0d8e22..2483ddc0868b 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -99,4 +99,13 @@ extern void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np,
                                                 struct at91_pmc *pmc);
 #endif
 
+#if defined(CONFIG_HAVE_AT91_USB_CLK)
+extern void __init of_at91rm9200_clk_usb_setup(struct device_node *np,
+                                               struct at91_pmc *pmc);
+extern void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
+                                               struct at91_pmc *pmc);
+extern void __init of_at91sam9n12_clk_usb_setup(struct device_node *np,
+                                                struct at91_pmc *pmc);
+#endif
+
 #endif /* __PMC_H_ */