usb: mtu3: add optional clock xhci_ck and frmcnt_ck

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@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-7-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h
index 2d7b57e..b4a7662 100644 (file)
--- 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 d78ae52..6f264b1 100644 (file)
--- 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;