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arm/tegra: add support for ventana pinmuxing

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Add support for ventana pinmuxing as a seaboard derivative. This is a cut down
version of work done by Jong Kim <jongk@nvidia.com>.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Peter De Schrijver 2011-10-12 14:53:04 +03:00 committed by Olof Johansson
parent e146245453
commit 21fb1ccc92
2 changed files with 49 additions and 0 deletions
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1
arch/arm/mach-tegra/Makefile
View File

@ -31,6 +31,7 @@ obj-${CONFIG_MACH_SEABOARD} += board-seaboard-pinmux.o
obj-${CONFIG_MACH_TEGRA_DT} += board-dt.o
obj-${CONFIG_MACH_TEGRA_DT} += board-harmony-pinmux.o
obj-${CONFIG_MACH_TEGRA_DT} += board-seaboard-pinmux.o
obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice.o
obj-${CONFIG_MACH_TRIMSLICE} += board-trimslice-pinmux.o

48
arch/arm/mach-tegra/board-seaboard-pinmux.c
View File

@ -159,6 +159,27 @@ static __initdata struct tegra_pingroup_config seaboard_pinmux[] = {
{TEGRA_PINGROUP_XM2D, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
};
static __initdata struct tegra_pingroup_config ventana_pinmux[] = {
{TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_DDC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_DTA, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_DTB, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_DTC, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_DTD, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GMD, TEGRA_MUX_SFLASH, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_LPW0, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_LPW2, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_LSC1, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_LSCK, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_LSDA, TEGRA_MUX_RSVD4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_PTA, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SLXC, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SLXK, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIC, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
};
static struct platform_device *pinmux_devices[] = {
&tegra_gpio_device,
&tegra_pinmux_device,
@ -173,6 +194,26 @@ static struct tegra_gpio_table common_gpio_table[] = {
{ .gpio = TEGRA_GPIO_ISL29018_IRQ, .enable = true },
};
static void __init update_pinmux(struct tegra_pingroup_config *newtbl, int size)
{
int i, j;
struct tegra_pingroup_config *new_pingroup, *base_pingroup;
/* Update base seaboard pinmux table with secondary board
* specific pinmux table table.
*/
for (i = 0; i < size; i++) {
new_pingroup = &newtbl[i];
for (j = 0; j < ARRAY_SIZE(seaboard_pinmux); j++) {
base_pingroup = &seaboard_pinmux[j];
if (new_pingroup->pingroup == base_pingroup->pingroup) {
*base_pingroup = *new_pingroup;
break;
}
}
}
}
void __init seaboard_common_pinmux_init(void)
{
platform_add_devices(pinmux_devices, ARRAY_SIZE(pinmux_devices));
@ -189,3 +230,10 @@ void __init seaboard_pinmux_init(void)
{
seaboard_common_pinmux_init();
}
void __init ventana_pinmux_init(void)
{
update_pinmux(ventana_pinmux, ARRAY_SIZE(ventana_pinmux));
seaboard_common_pinmux_init();
}