mirror of https://gitee.com/openkylin/linux.git
133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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* Koelsch board support - Reference DT implementation
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Magnus Damm
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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/dma-mapping.h>
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#include <linux/kernel.h>
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#include <linux/of_platform.h>
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#include <linux/platform_data/rcar-du.h>
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#include <mach/clock.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/rcar-gen2.h>
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#include <mach/r8a7791.h>
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#include <asm/mach/arch.h>
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/* DU */
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static struct rcar_du_encoder_data koelsch_du_encoders[] = {
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{
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.type = RCAR_DU_ENCODER_NONE,
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.output = RCAR_DU_OUTPUT_LVDS0,
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.connector.lvds.panel = {
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.width_mm = 210,
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.height_mm = 158,
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.mode = {
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.clock = 65000,
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.hdisplay = 1024,
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.hsync_start = 1048,
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.hsync_end = 1184,
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.htotal = 1344,
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.vdisplay = 768,
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.vsync_start = 771,
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.vsync_end = 777,
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.vtotal = 806,
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.flags = 0,
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},
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},
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},
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};
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static struct rcar_du_platform_data koelsch_du_pdata = {
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.encoders = koelsch_du_encoders,
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.num_encoders = ARRAY_SIZE(koelsch_du_encoders),
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};
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static const struct resource du_resources[] __initconst = {
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DEFINE_RES_MEM(0xfeb00000, 0x40000),
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DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
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DEFINE_RES_IRQ(gic_spi(256)),
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DEFINE_RES_IRQ(gic_spi(268)),
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};
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static void __init koelsch_add_du_device(void)
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{
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struct platform_device_info info = {
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.name = "rcar-du-r8a7791",
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.id = -1,
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.res = du_resources,
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.num_res = ARRAY_SIZE(du_resources),
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.data = &koelsch_du_pdata,
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.size_data = sizeof(koelsch_du_pdata),
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.dma_mask = DMA_BIT_MASK(32),
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};
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platform_device_register_full(&info);
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}
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/*
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* This is a really crude hack to provide clkdev support to platform
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* devices until they get moved to DT.
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*/
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static const struct clk_name clk_names[] __initconst = {
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{ "cmt0", "fck", "sh-cmt-48-gen2.0" },
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{ "du0", "du.0", "rcar-du-r8a7791" },
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{ "du1", "du.1", "rcar-du-r8a7791" },
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{ "lvds0", "lvds.0", "rcar-du-r8a7791" },
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};
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/*
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* This is a really crude hack to work around core platform clock issues
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*/
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static const struct clk_name clk_enables[] __initconst = {
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{ "ether", NULL, "ee700000.ethernet" },
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{ "i2c2", NULL, "e6530000.i2c" },
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{ "msiof0", NULL, "e6e20000.spi" },
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{ "qspi_mod", NULL, "e6b10000.spi" },
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{ "sdhi0", NULL, "ee100000.sd" },
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{ "sdhi1", NULL, "ee140000.sd" },
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{ "sdhi2", NULL, "ee160000.sd" },
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{ "thermal", NULL, "e61f0000.thermal" },
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};
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static void __init koelsch_add_standard_devices(void)
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{
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shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
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shmobile_clk_workaround(clk_enables, ARRAY_SIZE(clk_enables), true);
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r8a7791_add_dt_devices();
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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koelsch_add_du_device();
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}
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static const char * const koelsch_boards_compat_dt[] __initconst = {
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"renesas,koelsch",
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"renesas,koelsch-reference",
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NULL,
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};
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DT_MACHINE_START(KOELSCH_DT, "koelsch")
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.smp = smp_ops(r8a7791_smp_ops),
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.init_early = shmobile_init_delay,
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.init_time = rcar_gen2_timer_init,
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.init_machine = koelsch_add_standard_devices,
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.init_late = shmobile_init_late,
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.dt_compat = koelsch_boards_compat_dt,
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MACHINE_END
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