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usb: xhci-mtk: add optional frame count clock 

Add optional clock frmcnt_ck used on 4nm or advanced process SoC

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230407062406.12575-2-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2023-04-07 14:24:06 +08:00 committed by Greg Kroah-Hartman
parent 4076c4f37b
commit 6a14ffc05c
2 changed files with 2 additions and 1 deletions
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1
drivers/usb/host/xhci-mtk.c
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@ -398,6 +398,7 @@ static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk)
clks[2].id = "ref_ck";
clks[3].id = "mcu_ck";
clks[4].id = "dma_ck";
clks[5].id = "frmcnt_ck";
return devm_clk_bulk_get_optional(mtk->dev, BULK_CLKS_NUM, clks);
}

2
drivers/usb/host/xhci-mtk.h
View File

@ -15,7 +15,7 @@
#include "xhci.h"
#define BULK_CLKS_NUM 5
#define BULK_CLKS_NUM 6
#define BULK_VREGS_NUM 2
/* support at most 64 ep, use 32 size hash table */