5657d98dea
Both the Tegra30 I2S and AHUB modules used clocks, and hence currently require AUXDATA in order to get specific device names so that clock lookups work. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Olof Johansson <olof@lixom.net>
96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/*
|
|
* arch/arm/mach-tegra/board-dt-tegra30.c
|
|
*
|
|
* NVIDIA Tegra30 device tree board support
|
|
*
|
|
* Copyright (C) 2011 NVIDIA Corporation
|
|
*
|
|
* Derived from:
|
|
*
|
|
* arch/arm/mach-tegra/board-dt-tegra20.c
|
|
*
|
|
* Copyright (C) 2010 Secret Lab Technologies, Ltd.
|
|
* Copyright (C) 2010 Google, Inc.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_fdt.h>
|
|
#include <linux/of_irq.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#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),
|
|
OF_DEV_AUXDATA("nvidia,tegra30-ahub", 0x70080000, "tegra30-ahub", NULL),
|
|
{}
|
|
};
|
|
|
|
static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
|
|
/* name parent rate enabled */
|
|
{ "uarta", "pll_p", 408000000, true },
|
|
{ "pll_a", "pll_p_out1", 564480000, true },
|
|
{ "pll_a_out0", "pll_a", 11289600, true },
|
|
{ "extern1", "pll_a_out0", 0, true },
|
|
{ "clk_out_1", "extern1", 0, true },
|
|
{ "i2s0", "pll_a_out0", 11289600, false},
|
|
{ "i2s1", "pll_a_out0", 11289600, false},
|
|
{ "i2s2", "pll_a_out0", 11289600, false},
|
|
{ "i2s3", "pll_a_out0", 11289600, false},
|
|
{ "i2s4", "pll_a_out0", 11289600, false},
|
|
{ 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,
|
|
tegra30_auxdata_lookup, NULL);
|
|
}
|
|
|
|
static const char *tegra30_dt_board_compat[] = {
|
|
"nvidia,tegra30",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)")
|
|
.map_io = tegra_map_common_io,
|
|
.init_early = tegra30_init_early,
|
|
.init_irq = tegra_dt_init_irq,
|
|
.handle_irq = gic_handle_irq,
|
|
.timer = &tegra_timer,
|
|
.init_machine = tegra30_dt_init,
|
|
.restart = tegra_assert_system_reset,
|
|
.dt_compat = tegra30_dt_board_compat,
|
|
MACHINE_END
|