USB: modifications for at91sam9g10
Modify both host and gadget USB drivers for at91sam9g10.
This add a clock management equivalent to at91sam9261 on usb drivers.
It also add the way of handling gadget pull-ups (like the at91sam9261).
Signed-off-by: Hong Xu <hong.xu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 66450a1..043e04d 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -892,7 +892,7 @@
txvc |= AT91_UDP_TXVC_PUON;
at91_udp_write(udc, AT91_UDP_TXVC, txvc);
- } else if (cpu_is_at91sam9261()) {
+ } else if (cpu_is_at91sam9261() || cpu_is_at91sam9g10()) {
u32 usbpucr;
usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
@@ -910,7 +910,7 @@
txvc &= ~AT91_UDP_TXVC_PUON;
at91_udp_write(udc, AT91_UDP_TXVC, txvc);
- } else if (cpu_is_at91sam9261()) {
+ } else if (cpu_is_at91sam9261() || cpu_is_at91sam9g10()) {
u32 usbpucr;
usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
@@ -1692,7 +1692,7 @@
udc->ep[3].maxpacket = 64;
udc->ep[4].maxpacket = 512;
udc->ep[5].maxpacket = 512;
- } else if (cpu_is_at91sam9261()) {
+ } else if (cpu_is_at91sam9261() || cpu_is_at91sam9g10()) {
udc->ep[3].maxpacket = 64;
} else if (cpu_is_at91sam9263()) {
udc->ep[0].maxpacket = 64;
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 7ccffcb..68b83ab 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -35,7 +35,7 @@
static void at91_start_clock(void)
{
- if (cpu_is_at91sam9261())
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_enable(hclk);
clk_enable(iclk);
clk_enable(fclk);
@@ -46,7 +46,7 @@
{
clk_disable(fclk);
clk_disable(iclk);
- if (cpu_is_at91sam9261())
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_disable(hclk);
clocked = 0;
}
@@ -142,7 +142,7 @@
iclk = clk_get(&pdev->dev, "ohci_clk");
fclk = clk_get(&pdev->dev, "uhpck");
- if (cpu_is_at91sam9261())
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
hclk = clk_get(&pdev->dev, "hck0");
at91_start_hc(pdev);
@@ -155,7 +155,7 @@
/* Error handling */
at91_stop_hc(pdev);
- if (cpu_is_at91sam9261())
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_put(hclk);
clk_put(fclk);
clk_put(iclk);
@@ -192,7 +192,7 @@
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
- if (cpu_is_at91sam9261())
+ if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_put(hclk);
clk_put(fclk);
clk_put(iclk);