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Commit 21fb1ccc authored by Peter De Schrijver's avatar Peter De Schrijver Committed by Olof Johansson
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arm/tegra: add support for ventana pinmuxing 



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: default avatarPeter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent e1462454

arch/arm/mach-tegra/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-tegra/board-seaboard-pinmux.c

+48 −0
Original line number Diff line number Diff line
@@ -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();

}