[PATCH 7/7] usb: mtu3: add optional clock xhci_ck and frmcnt_ck
Chunfeng Yun
chunfeng.yun at mediatek.com
Sun Apr 2 19:52:30 PDT 2023
Add optional clock 'xhci_ck' which is usually the same as sys_ck, but
some SoC use two separated clocks when the controller supports dual
role mode;
Add optional clock 'frmcnt_ck' used on 4nm or advanced process SoC.
Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
drivers/usb/mtu3/mtu3.h | 2 +-
drivers/usb/mtu3/mtu3_plat.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h
index 2d7b57e07eee..b4a7662dded5 100644
--- a/drivers/usb/mtu3/mtu3.h
+++ b/drivers/usb/mtu3/mtu3.h
@@ -90,7 +90,7 @@ struct mtu3_request;
*/
#define EP0_RESPONSE_BUF 6
-#define BULK_CLKS_CNT 4
+#define BULK_CLKS_CNT 6
/* device operated link and speed got from DEVICE_CONF register */
enum mtu3_speed {
diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c
index d78ae52b4e26..6f264b129243 100644
--- a/drivers/usb/mtu3/mtu3_plat.c
+++ b/drivers/usb/mtu3/mtu3_plat.c
@@ -234,6 +234,8 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb)
clks[1].id = "ref_ck";
clks[2].id = "mcu_ck";
clks[3].id = "dma_ck";
+ clks[4].id = "xhci_ck";
+ clks[5].id = "frmcnt_ck";
ret = devm_clk_bulk_get_optional(dev, BULK_CLKS_CNT, clks);
if (ret)
return ret;
--
2.18.0
More information about the linux-arm-kernel
mailing list