linux-kernel - [PATCH v3 2/2] usb: xhci-mtk: add optional frame count clock

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Message-ID: <20230417024213.17973-2-chunfeng.yun@mediatek.com>
Date:   Mon, 17 Apr 2023 10:42:13 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Tianping Fang <tianping.fang@...iatek.com>
Subject: [PATCH v3 2/2] 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@...labora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v3: add reviewed-by AngeloGioacchino

v2: no changes
---
 drivers/usb/host/xhci-mtk.c | 1 +
 drivers/usb/host/xhci-mtk.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index f7cbb08fc506..90cf40d6d0c3 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -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);
 }
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index 1174a510dd38..faaaf05e36ce 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -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 */
-- 
2.18.0