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usb: mtu3: add optional clock xhci_ck and frmcnt_ck

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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>
This commit is contained in:
Chunfeng Yun 2023-04-17 10:52:03 +08:00 committed by Greg Kroah-Hartman
parent d10cb206ac
commit 41792870dc
2 changed files with 3 additions and 1 deletions
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2
drivers/usb/mtu3/mtu3.h
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@ -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 {

2
drivers/usb/mtu3/mtu3_plat.c
View file

@ -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;