linux-kernel - [PATCH v2 1/2] dt-bindings: usb: mtk-xhci: add an optional xhci

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Message-ID: <1564472056-27875-1-git-send-email-chunfeng.yun@mediatek.com>
Date:   Tue, 30 Jul 2019 15:34:15 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Mathias Nyman <mathias.nyman@...el.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-usb@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        Daniel Kurtz <djkurtz@...omium.org>
Subject: [PATCH v2 1/2] dt-bindings: usb: mtk-xhci: add an optional xhci_ck clock

Add a new optional clock xhci_ck

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2 changes:
  1. add the new clock at the end, suggested by Rob
---
 Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
index 266c2d917a28..f3e4acecabe8 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
@@ -30,7 +30,8 @@ Required properties:
 	the following ones are optional:
 	"ref_ck": reference clock used by low power mode etc,
 	"mcu_ck": mcu_bus clock for register access,
-	"dma_ck": dma_bus clock for data transfer by DMA
+	"dma_ck": dma_bus clock for data transfer by DMA,
+	"xhci_ck": controller clock
 
  - phys : see usb-hcd.txt in the current directory
 
@@ -100,7 +101,7 @@ Required properties:
  - clocks : a list of phandle + clock-specifier pairs, one for each
 	entry in clock-names
  - clock-names : must contain "sys_ck", and the following ones are optional:
-	"ref_ck", "mcu_ck" and "dma_ck"
+	"ref_ck", "mcu_ck" and "dma_ck", "xhci_ck"
 
 Optional properties:
  - vbus-supply : reference to the VBUS regulator;
-- 
2.21.0