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Message-Id: <20170414131555.9431-1-icenowy@aosc.io>
Date: Fri, 14 Apr 2017 21:15:54 +0800
From: Icenowy Zheng <icenowy@...c.io>
To: Maxime Ripard <maxime.ripard@...e-electrons.com>,
Chen-Yu Tsai <wens@...e.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 1/2] arm64: allwinner: a64: add EHCI0/OHCI0 nodes to A64 DTSI
Allwinner A64 SoC features a pair of EHCI/OHCI controllers that can be
set to wire to USB0 port (the OTG-capable one), which can be used to
provide a better performance in host mode.
Add their device tree nodes.
Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index c7f669f5884f..65a344d9cea4 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -204,6 +204,28 @@
#phy-cells = <1>;
};
+ ehci0: usb@...1a000 {
+ compatible = "allwinner,sun50i-a64-ehci", "generic-ehci";
+ reg = <0x01c1a000 0x100>;
+ interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_OHCI0>,
+ <&ccu CLK_BUS_EHCI0>,
+ <&ccu CLK_USB_OHCI0>;
+ resets = <&ccu RST_BUS_OHCI0>,
+ <&ccu RST_BUS_EHCI0>;
+ status = "disabled";
+ };
+
+ ohci0: usb@...1a400 {
+ compatible = "allwinner,sun50i-a64-ohci", "generic-ohci";
+ reg = <0x01c1a400 0x100>;
+ interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_OHCI0>,
+ <&ccu CLK_USB_OHCI0>;
+ resets = <&ccu RST_BUS_OHCI0>;
+ status = "disabled";
+ };
+
ehci1: usb@...1b000 {
compatible = "allwinner,sun50i-a64-ehci", "generic-ehci";
reg = <0x01c1b000 0x100>;
--
2.12.2
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