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Date: Mon, 27 Mar 2023 10:55:22 -0400
From: Frank Li <Frank.Li@....com>
To: frank.li@....com
Cc: devicetree@...r.kernel.org, festevam@...il.com,
imx@...ts.linux.dev, kernel@...gutronix.de,
krzysztof.kozlowski+dt@...aro.org, krzysztof.kozlowski@...aro.org,
linux-arm-kernel@...ts.infradead.org, linux-imx@....com,
linux-kernel@...r.kernel.org, robh+dt@...nel.org,
s.hauer@...gutronix.de, shawnguo@...nel.org
Subject: [PATCH v5 2/3] arm64: dts: imx8qxp: add cadence usb3 support
There are cadence usb3.0 controller in 8qxp and 8qm.
Add usb3 node at common connect subsystem.
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v4 to v5
- using shorter clock name according rob's feedback
Change from v3 to v4
- none
Change from v2 to v3:
- Drop fixed frequency clock. See binding doc patch.
- move req as second property
Change from v1 to v2
- fix shawn's comments
.../boot/dts/freescale/imx8-ss-conn.dtsi | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
index 4852760adeee..b32c2e199c16 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
@@ -138,6 +138,53 @@ fec2: ethernet@...50000 {
status = "disabled";
};
+ usbotg3: usb@...10000 {
+ compatible = "fsl,imx8qm-usb3";
+ reg = <0x5b110000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&usb3_lpcg IMX_LPCG_CLK_1>,
+ <&usb3_lpcg IMX_LPCG_CLK_0>,
+ <&usb3_lpcg IMX_LPCG_CLK_7>,
+ <&usb3_lpcg IMX_LPCG_CLK_4>,
+ <&usb3_lpcg IMX_LPCG_CLK_5>;
+ clock-names = "lpm", "bus", "aclk", "ipg", "core";
+ assigned-clocks = <&clk IMX_SC_R_USB_2 IMX_SC_PM_CLK_MST_BUS>;
+ assigned-clock-rates = <250000000>;
+ power-domains = <&pd IMX_SC_R_USB_2>;
+ status = "disabled";
+
+ usbotg3_cdns3: usb@...20000 {
+ compatible = "cdns,usb3";
+ reg = <0x5b130000 0x10000>, /* memory area for HOST registers */
+ <0x5b140000 0x10000>, /* memory area for DEVICE registers */
+ <0x5b120000 0x10000>; /* memory area for OTG/DRD registers */
+ reg-names = "xhci", "dev", "otg";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host", "peripheral", "otg", "wakeup";
+ phys = <&usb3_phy>;
+ phy-names = "cdns3,usb3-phy";
+ status = "disabled";
+ };
+ };
+
+ usb3_phy: usb-phy@...60000 {
+ compatible = "nxp,salvo-phy";
+ reg = <0x5b160000 0x40000>;
+ clocks = <&usb3_lpcg IMX_LPCG_CLK_6>;
+ clock-names = "salvo_phy_clk";
+ power-domains = <&pd IMX_SC_R_USB_2_PHY>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
/* LPCG clocks */
sdhc0_lpcg: clock-controller@...00000 {
compatible = "fsl,imx8qxp-lpcg";
@@ -234,4 +281,26 @@ usb2_lpcg: clock-controller@...70000 {
clock-output-names = "usboh3_ahb_clk", "usboh3_phy_ipg_clk";
power-domains = <&pd IMX_SC_R_USB_0_PHY>;
};
+
+ usb3_lpcg: clock-controller@...80000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x5b280000 0x10000>;
+ #clock-cells = <1>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>,
+ <IMX_LPCG_CLK_4>, <IMX_LPCG_CLK_5>,
+ <IMX_LPCG_CLK_6>, <IMX_LPCG_CLK_7>;
+ clocks = <&clk IMX_SC_R_USB_2 IMX_SC_PM_CLK_PER>,
+ <&clk IMX_SC_R_USB_2 IMX_SC_PM_CLK_MISC>,
+ <&conn_ipg_clk>,
+ <&conn_ipg_clk>,
+ <&conn_ipg_clk>,
+ <&clk IMX_SC_R_USB_2 IMX_SC_PM_CLK_MST_BUS>;
+ clock-output-names = "usb3_app_clk",
+ "usb3_lpm_clk",
+ "usb3_ipg_clk",
+ "usb3_core_pclk",
+ "usb3_phy_clk",
+ "usb3_aclk";
+ power-domains = <&pd IMX_SC_R_USB_2_PHY>;
+ };
};
--
2.34.1
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