forked from Minki/linux
dc76a1adfa
Add defines for common Micrel PHY setups so that other platforms can use them. Update imx61 and sama5 hardware to use the micrel_phy.h PHY defines. Also add support for the KSZ9021RLRN PHY. Signed-off-by: Dinh Nguyen <dinguyen@altera.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: David S. Miller <davem@davemloft.net> CC: Andrew Victor <linux@maxim.org.za> CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*
|
|
* Setup code for SAMA5 Evaluation Kits with Device Tree support
|
|
*
|
|
* Copyright (C) 2013 Atmel,
|
|
* 2013 Ludovic Desroches <ludovic.desroches@atmel.com>
|
|
*
|
|
* Licensed under GPLv2 or later.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/micrel_phy.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_irq.h>
|
|
#include <linux/of_platform.h>
|
|
#include <linux/phy.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include "at91_aic.h"
|
|
#include "generic.h"
|
|
|
|
|
|
static const struct of_device_id irq_of_match[] __initconst = {
|
|
|
|
{ .compatible = "atmel,sama5d3-aic", .data = at91_aic5_of_init },
|
|
{ /*sentinel*/ }
|
|
};
|
|
|
|
static void __init at91_dt_init_irq(void)
|
|
{
|
|
of_irq_init(irq_of_match);
|
|
}
|
|
|
|
static int ksz9021rn_phy_fixup(struct phy_device *phy)
|
|
{
|
|
int value;
|
|
|
|
/* Set delay values */
|
|
value = MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW | 0x8000;
|
|
phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
|
|
value = 0xF2F4;
|
|
phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
|
|
value = MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW | 0x8000;
|
|
phy_write(phy, MICREL_KSZ9021_EXTREG_CTRL, value);
|
|
value = 0x2222;
|
|
phy_write(phy, MICREL_KSZ9021_EXTREG_DATA_WRITE, value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __init sama5_dt_device_init(void)
|
|
{
|
|
if (of_machine_is_compatible("atmel,sama5d3xcm") &&
|
|
IS_ENABLED(CONFIG_PHYLIB))
|
|
phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
|
|
ksz9021rn_phy_fixup);
|
|
|
|
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
|
|
}
|
|
|
|
static const char *sama5_dt_board_compat[] __initdata = {
|
|
"atmel,sama5",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)")
|
|
/* Maintainer: Atmel */
|
|
.init_time = at91sam926x_pit_init,
|
|
.map_io = at91_map_io,
|
|
.handle_irq = at91_aic5_handle_irq,
|
|
.init_early = at91_dt_initialize,
|
|
.init_irq = at91_dt_init_irq,
|
|
.init_machine = sama5_dt_device_init,
|
|
.dt_compat = sama5_dt_board_compat,
|
|
MACHINE_END
|