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From a96468412cac8abd66667c322fbcda756cc3abc9 Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Fri, 13 Oct 2017 16:26:41 +0800
Subject: [PATCH 134/224] dt-bindings: usb: mtk-xhci: remove dummy clocks and
add optional ones
Remove dummy clocks for usb wakeup and add optional ones for
MCU_BUS_CK and DMA_BUS_CK.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/mediatek,mtk-xhci.txt | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
@@ -26,10 +26,11 @@ Required properties:
- clocks : a list of phandle + clock-specifier pairs, one for each
entry in clock-names
- clock-names : must contain
- "sys_ck": for clock of xHCI MAC
- "ref_ck": for reference clock of xHCI MAC
- "wakeup_deb_p0": for USB wakeup debounce clock of port0
- "wakeup_deb_p1": for USB wakeup debounce clock of port1
+ "sys_ck": controller clock used by normal mode,
+ 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
- phys : a list of phandle + phy specifier pairs
@@ -57,9 +58,7 @@ usb30: usb@11270000 {
clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
<&pericfg CLK_PERI_USB0>,
<&pericfg CLK_PERI_USB1>;
- clock-names = "sys_ck", "ref_ck",
- "wakeup_deb_p0",
- "wakeup_deb_p1";
+ clock-names = "sys_ck", "ref_ck";
phys = <&phy_port0 PHY_TYPE_USB3>,
<&phy_port1 PHY_TYPE_USB2>;
vusb33-supply = <&mt6397_vusb_reg>;
@@ -91,9 +90,8 @@ Required properties:
- clocks : a list of phandle + clock-specifier pairs, one for each
entry in clock-names
- - clock-names : must be
- "sys_ck": for clock of xHCI MAC
- "ref_ck": for reference clock of xHCI MAC
+ - clock-names : must contain "sys_ck", and the following ones are optional:
+ "ref_ck", "mcu_ck" and "dma_ck"
Optional properties:
- vbus-supply : reference to the VBUS regulator;
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