From a96468412cac8abd66667c322fbcda756cc3abc9 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun 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 Acked-by: Rob Herring Reviewed-by: Matthias Brugger Signed-off-by: Greg Kroah-Hartman --- .../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;