RE: [PATCH 2/3] dt: tegra20: Add ehci host controller nodes.
From: Stephen Warren <hidden>
Date: 2011-07-19 23:15:50
Also in:
linux-tegra, lkml
Stephen Warren wrote at Tuesday, July 19, 2011 5:00 PM:
achew-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org wrote at Tuesday, July 19, 2011 4:47 PM:quoted
From: Andrew Chew <redacted> These values were derived from various headers in arch/arm/mach-tegra.
...
quoted
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 83fedf3..a0353bb 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi@@ -160,5 +160,57 @@ interrupts = < 63 >; status = "disabled"; }; + + ehci@c5000000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-ehci"; + reg = <0xc5000000 0x4000>; + interrupts = < 52 >; + mode = < 1 >; + power_down_on_bus_suspend; + type = "utmi"; + hssync_start_delay = < 0 >; + idle_wait_delay = < 17 >; + elastic_limit = < 16 >; + term_range_adj = < 6 >; + xcvr_setup = < 15 >; + xcvr_lsfslew = < 2 >; + xcvr_lsrslew = < 2 >; + status = "disabled";In the latest devicetree/test, tegra20.dtsi doesn't specify status for any nodes, but leaves everything enabled. Instead, board-specific files disable any unused devices.
Andrew pointed out that isn't actually true right now. However, Grant did state that he was *going* to make Tegra work that way, so the comment basically still stands. -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html