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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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73d6a69e3b
Provide alternate board code for the marzen to demonstrate how DT may be used given the current state of driver device tree support. This is intended to act as a reference for mach-shmobile developers. Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
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* marzen board support - Reference DT implementation
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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* Copyright (C) 2013 Simon Horman
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/pinctrl/machine.h>
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#include <mach/r8a7779.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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static const struct pinctrl_map marzen_pinctrl_map[] = {
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/* SCIF2 (CN18: DEBUG0) */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
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"scif2_data_c", "scif2"),
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/* SCIF4 (CN19: DEBUG1) */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
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"scif4_data", "scif4"),
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/* SDHI0 */
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
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"sdhi0_data4", "sdhi0"),
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
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"sdhi0_ctrl", "sdhi0"),
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
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"sdhi0_cd", "sdhi0"),
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
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"sdhi0_wp", "sdhi0"),
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/* SMSC */
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PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
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"intc_irq1_b", "intc"),
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PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
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"lbsc_ex_cs0", "lbsc"),
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};
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static void __init marzen_init(void)
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{
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pinctrl_register_mappings(marzen_pinctrl_map,
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ARRAY_SIZE(marzen_pinctrl_map));
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r8a7779_pinmux_init();
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r8a7779_add_standard_devices_dt();
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}
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static const char *marzen_boards_compat_dt[] __initdata = {
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"renesas,marzen-reference",
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NULL,
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};
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DT_MACHINE_START(MARZEN, "marzen")
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.smp = smp_ops(r8a7779_smp_ops),
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.map_io = r8a7779_map_io,
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.init_early = r8a7779_init_delay,
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.nr_irqs = NR_IRQS_LEGACY,
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.init_irq = r8a7779_init_irq_dt,
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.init_machine = marzen_init,
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.init_time = shmobile_timer_init,
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.dt_compat = marzen_boards_compat_dt,
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MACHINE_END
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