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ARM: tegra: initialize basic system clocks
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Initialize basic system clocks and provide a auxdata table to allow some
peripheral drivers to find their clocks.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Peter De Schrijver authored and Olof Johansson committed Feb 6, 2012
1 parent 7ff43ee commit f7223d3
Showing 1 changed file with 23 additions and 1 deletion.
24 changes: 23 additions & 1 deletion arch/arm/mach-tegra/board-dt-tegra30.c
Original file line number Diff line number Diff line change
Expand Up @@ -34,16 +34,38 @@
#include <asm/hardware/gic.h>

#include "board.h"
#include "clock.h"

static struct of_device_id tegra_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
{}
};

struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000200, "sdhci-tegra.1", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000400, "sdhci-tegra.2", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000600, "sdhci-tegra.3", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C000, "tegra-i2c.0", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C400, "tegra-i2c.1", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C500, "tegra-i2c.2", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C700, "tegra-i2c.3", NULL),
OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL),
{}
};

static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
/* name parent rate enabled */
{ "uartd", "pll_p", 408000000, true },
{ NULL, NULL, 0, 0},
};

static void __init tegra30_dt_init(void)
{
tegra_clk_init_from_table(tegra_dt_clk_init_table);

of_platform_populate(NULL, tegra_dt_match_table,
NULL, NULL);
tegra30_auxdata_lookup, NULL);
}

static const char *tegra30_dt_board_compat[] = {
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