Re: [PATCH 2/3] dt: tegra20: Add ehci host controller nodes.
From: Olof Johansson <hidden>
Date: 2011-07-19 23:58:43
Also in:
linux-tegra, lkml
Hi, On Tue, Jul 19, 2011 at 3:46 PM, [off-list ref] wrote:
quoted hunk ↗ jump to hunk
From: Andrew Chew <redacted> These values were derived from various headers in arch/arm/mach-tegra. Signed-off-by: Andrew Chew <redacted> --- arch/arm/boot/dts/tegra20.dtsi | 52 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 52 insertions(+), 0 deletions(-)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";
These are mostly phy related settings, maybe do a phy subnode with them? That way the usb_phy code can probe on that. -Olof