[PATCH V6 11/12] ARM: tegra: Add Tegra124 XUSB mailbox and xHCI controller

Andrew Bresticker abrestic at chromium.org
Mon Nov 24 16:17:23 PST 2014


Add nodes for the Tegra XUSB mailbox and Tegra xHCI controller and
add the PHY mailbox channel to the XUSB padctl node.

Signed-off-by: Andrew Bresticker <abrestic at chromium.org>
Reviewed-by: Stephen Warren <swarren at nvidia.com>
---
No changes from v3/v4/v5.
Changes from v2:
 - Dropped channel specifier from mailbox bindings.
 - Added mbox-names properties.
Changes from v1:
 - Updated to use common mailbox bindings.
 - Added remaining clocks/resets.
---
 arch/arm/boot/dts/tegra124.dtsi | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index df2b06b..2e06130 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -591,11 +591,52 @@
 		status = "disabled";
 	};
 
+	usb at 0,70090000 {
+		compatible = "nvidia,tegra124-xhci";
+		reg = <0x0 0x70090000 0x0 0x8000>,
+		      <0x0 0x70098000 0x0 0x1000>,
+		      <0x0 0x70099000 0x0 0x1000>;
+		interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_XUSB_HOST>,
+			 <&tegra_car TEGRA124_CLK_XUSB_HOST_SRC>,
+			 <&tegra_car TEGRA124_CLK_XUSB_DEV>,
+			 <&tegra_car TEGRA124_CLK_XUSB_DEV_SRC>,
+			 <&tegra_car TEGRA124_CLK_XUSB_FALCON_SRC>,
+			 <&tegra_car TEGRA124_CLK_XUSB_SS>,
+			 <&tegra_car TEGRA124_CLK_XUSB_SS_DIV2>,
+			 <&tegra_car TEGRA124_CLK_XUSB_SS_SRC>,
+			 <&tegra_car TEGRA124_CLK_XUSB_HS_SRC>,
+			 <&tegra_car TEGRA124_CLK_XUSB_FS_SRC>,
+			 <&tegra_car TEGRA124_CLK_PLL_U_480M>,
+			 <&tegra_car TEGRA124_CLK_CLK_M>,
+			 <&tegra_car TEGRA124_CLK_PLL_E>;
+		clock-names = "xusb_host", "xusb_host_src", "xusb_dev",
+			      "xusb_dev_src", "xusb_falcon_src", "xusb_ss",
+			      "xusb_ss_div2", "xusb_ss_src", "xusb_hs_src",
+			      "xusb_fs_src", "pll_u_480m", "clk_m", "pll_e";
+		resets = <&tegra_car 89>, <&tegra_car 95>, <&tegra_car 156>,
+			 <&tegra_car 143>;
+		reset-names = "xusb_host", "xusb_dev", "xusb_ss", "xusb";
+		mboxes = <&xusb_mbox>;
+		mbox-names = "xusb";
+		status = "disabled";
+	};
+
+	xusb_mbox: mailbox at 0,70098000 {
+		compatible = "nvidia,tegra124-xusb-mbox";
+		reg = <0x0 0x70098000 0x0 0x1000>;
+		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+
+		#mbox-cells = <0>;
+	};
+
 	padctl: padctl at 0,7009f000 {
 		compatible = "nvidia,tegra124-xusb-padctl";
 		reg = <0x0 0x7009f000 0x0 0x1000>;
 		resets = <&tegra_car 142>;
 		reset-names = "padctl";
+		mboxes = <&xusb_mbox>;
+		mbox-names = "xusb";
 
 		#phy-cells = <1>;
 	};
-- 
2.1.0.rc2.206.gedb03e5




More information about the linux-arm-kernel mailing list