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tegra: add ULPI on USB2 funcmux entry

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This is needed as a prerequisite for Tegra USB ULPI support
within U-Boot.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
CC: Stephen Warren <swarren@wwwdotorg.org>
CC: Tom Warren <twarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Lucas Stach 2012-05-31 01:51:01 +00:00 • committed by Albert ARIBAUD (U-Boot)
parent 1e2d785975
commit f97daaa231
2 changed files with 16 additions and 2 deletions
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15
arch/arm/cpu/armv7/tegra2/funcmux.c
View file

@ -209,9 +209,20 @@ int funcmux_select(enum periph_id id, int config)
pinmux_set_func(grp[i], PMUX_FUNC_KBC);
pinmux_set_pullupdown(grp[i], PMUX_PULL_UP);
}
break;
}
break;
case PERIPH_ID_USB2:
if (config == FUNCMUX_USB2_ULPI) {
pinmux_set_func(PINGRP_UAA, PMUX_FUNC_ULPI);
pinmux_set_func(PINGRP_UAB, PMUX_FUNC_ULPI);
pinmux_set_func(PINGRP_UDA, PMUX_FUNC_ULPI);
pinmux_tristate_disable(PINGRP_UAA);
pinmux_tristate_disable(PINGRP_UAB);
pinmux_tristate_disable(PINGRP_UDA);
}
break;
default:
debug("%s: invalid periph_id %d", __func__, id);

3
arch/arm/include/asm/arch-tegra2/funcmux.h
View file

@ -51,6 +51,9 @@ enum {
FUNCMUX_SDMMC4_ATC_ATD_8BIT = 0,
FUNCMUX_SDMMC4_ATB_GMA_4_BIT,
FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT,
/* USB configs */
FUNCMUX_USB2_ULPI = 0,
};
/**