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