From 699c40e8789cfbb5c3ca4ef2849a4bd051ff79bb Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Fri, 12 Oct 2012 09:45:48 +0000 Subject: ARM: tegra: Harmony: enable ULPI USB port The ULPI port is routed onto pins on the mini PCI Express connector. A standard breakout board may be used to access the port. * Add required DT entries to configure the ULPI port. * Setup up the ULPI pinmux in the board code. * Enable multiple USB controller and ULPI support in the board config. Signed-off-by: Stephen Warren Signed-off-by: Tom Warren --- board/nvidia/dts/tegra20-harmony.dts | 3 ++- board/nvidia/harmony/harmony.c | 9 +++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'board') diff --git a/board/nvidia/dts/tegra20-harmony.dts b/board/nvidia/dts/tegra20-harmony.dts index ca5facb..5645a8d 100644 --- a/board/nvidia/dts/tegra20-harmony.dts +++ b/board/nvidia/dts/tegra20-harmony.dts @@ -8,6 +8,7 @@ aliases { usb0 = "/usb@c5008000"; + usb1 = "/usb@c5004000"; }; memory { @@ -52,7 +53,7 @@ }; usb@c5004000 { - status = "disabled"; + nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */ }; nand-controller@70008000 { diff --git a/board/nvidia/harmony/harmony.c b/board/nvidia/harmony/harmony.c index 32ed9bb..c7590ac 100644 --- a/board/nvidia/harmony/harmony.c +++ b/board/nvidia/harmony/harmony.c @@ -75,3 +75,12 @@ int board_mmc_init(bd_t *bd) return 0; } #endif + +void pin_mux_usb(void) +{ + funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); + pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); + pinmux_tristate_disable(PINGRP_CDEV2); + /* USB2 PHY reset GPIO */ + pinmux_tristate_disable(PINGRP_UAC); +} -- cgit v1.1