linux-kernel - [PATCH v3 2/3] arm64: dts: meson: g12a: Add G12A USB nodes

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Message-Id: <20190325100339.749-3-narmstrong@baylibre.com>
Date:   Mon, 25 Mar 2019 11:03:38 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v3 2/3] arm64: dts: meson: g12a: Add G12A USB nodes

This patch adds the nodes for the USB Complex found in the Amlogic
G12A SoC.

It includes the :
- 2 USB2 PHYs
- 1 USB3 + PCIE Combo PHY
- the USB Glue with it's DWC2 and DWC3 sub-nodes

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 75 +++++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 4b3be7e60b4d..a9cd91f033f2 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -3,11 +3,13 @@
  * Copyright (c) 2018 Amlogic, Inc. All rights reserved.
  */
 
+#include <dt-bindings/phy/phy.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/clock/g12a-clkc.h>
 #include <dt-bindings/clock/g12a-aoclkc.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
 
 / {
 	compatible = "amlogic,g12a";
@@ -175,6 +177,26 @@
 				};
 			};
 
+			usb2_phy0: phy@...00 {
+				compatible = "amlogic,g12a-usb2-phy";
+				reg = <0x0 0x36000 0x0 0x2000>;
+				clocks = <&xtal>;
+				clock-names = "xtal";
+				resets = <&reset RESET_USB_PHY20>;
+				reset-names = "phy";
+				#phy-cells = <0>;
+			};
+
+			usb2_phy1: phy@...00 {
+				compatible = "amlogic,g12a-usb2-phy";
+				reg = <0x0 0x3a000 0x0 0x2000>;
+				clocks = <&xtal>;
+				clock-names = "xtal";
+				resets = <&reset RESET_USB_PHY21>;
+				reset-names = "phy";
+				#phy-cells = <0>;
+			};
+
 			hiu: bus@...00 {
 				compatible = "simple-bus";
 				reg = <0x0 0x3c000 0x0 0x1400>;
@@ -195,6 +217,18 @@
 					};
 				};
 			};
+
+			usb3_pcie_phy: phy@...00 {
+				compatible = "amlogic,g12a-usb3-pcie-phy";
+				reg = <0x0 0x46000 0x0 0x2000>;
+				clocks = <&clkc CLKID_PCIE_PLL>;
+				clock-names = "ref_clk";
+				resets = <&reset RESET_PCIE_PHY>;
+				reset-names = "phy";
+				assigned-clocks = <&clkc CLKID_PCIE_PLL>;
+				assigned-clock-rates = <100000000>;
+				#phy-cells = <1>;
+			};
 		};
 
 		aobus: bus@...00000 {
@@ -358,6 +392,47 @@
 				status = "disabled";
 			};
 		};
+
+		usb: usb@...09000 {
+			status = "disabled";
+			compatible = "amlogic,meson-g12a-usb-ctrl";
+			reg = <0x0 0xffe09000 0x0 0xa0>;
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			clocks = <&clkc CLKID_USB>;
+			resets = <&reset RESET_USB>;
+
+			dr_mode = "otg";
+
+			phys = <&usb2_phy0>, <&usb2_phy1>,
+			       <&usb3_pcie_phy PHY_TYPE_USB3>;
+			phy-names = "usb2-phy0", "usb2-phy1", "usb3-phy0";
+
+			dwc2: usb@...00000 {
+				compatible = "amlogic,meson-g12a-usb", "snps,dwc2";
+				reg = <0x0 0xff400000 0x0 0x40000>;
+				interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
+				clock-names = "ddr";
+				phys = <&usb2_phy1>;
+				dr_mode = "peripheral";
+				g-rx-fifo-size = <192>;
+				g-np-tx-fifo-size = <128>;
+				g-tx-fifo-size = <128 128 16 16 16>;
+			};
+
+			dwc3: usb@...00000 {
+				compatible = "snps,dwc3";
+				reg = <0x0 0xff500000 0x0 0x100000>;
+				interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+				dr_mode = "host";
+				snps,dis_u2_susphy_quirk;
+				snps,quirk-frame-length-adjustment;
+			};
+		};
 	};
 
 	timer {
-- 
2.21.0