forked from Minki/linux
a321747186
Replace the GPIO-based HSPI pinmux configuration by pinctrl mappings. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
389 lines
9.2 KiB
C
389 lines
9.2 KiB
C
/*
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* marzen board support
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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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*
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/dma-mapping.h>
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#include <linux/pinctrl/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/smsc911x.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/sh_hspi.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/sh_mobile_sdhi.h>
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#include <linux/mfd/tmio.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/ehci_pdriver.h>
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#include <linux/usb/ohci_pdriver.h>
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#include <linux/pm_runtime.h>
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#include <mach/hardware.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/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/traps.h>
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/* Fixed 3.3V regulator to be used by SDHI0 */
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static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
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REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
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REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
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};
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/* Dummy supplies, where voltage doesn't matter */
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static struct regulator_consumer_supply dummy_supplies[] = {
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REGULATOR_SUPPLY("vddvario", "smsc911x"),
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REGULATOR_SUPPLY("vdd33a", "smsc911x"),
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};
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/* SMSC LAN89218 */
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static struct resource smsc911x_resources[] = {
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[0] = {
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.start = 0x18000000, /* ExCS0 */
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.end = 0x180000ff, /* A1->A7 */
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(28), /* IRQ 1 */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smsc911x_platform_config smsc911x_platdata = {
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.flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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};
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static struct platform_device eth_device = {
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.name = "smsc911x",
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.id = -1,
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.dev = {
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.platform_data = &smsc911x_platdata,
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},
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.resource = smsc911x_resources,
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.num_resources = ARRAY_SIZE(smsc911x_resources),
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};
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static struct resource sdhi0_resources[] = {
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[0] = {
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.name = "sdhi0",
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.start = 0xffe4c000,
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.end = 0xffe4c0ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(104),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct sh_mobile_sdhi_info sdhi0_platform_data = {
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.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
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.tmio_caps = MMC_CAP_SD_HIGHSPEED,
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};
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static struct platform_device sdhi0_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi0_resources),
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.resource = sdhi0_resources,
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.id = 0,
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.dev = {
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.platform_data = &sdhi0_platform_data,
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}
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};
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/* Thermal */
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static struct resource thermal_resources[] = {
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[0] = {
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.start = 0xFFC48000,
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.end = 0xFFC48038 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device thermal_device = {
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.name = "rcar_thermal",
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.resource = thermal_resources,
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.num_resources = ARRAY_SIZE(thermal_resources),
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};
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/* HSPI */
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static struct resource hspi_resources[] = {
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[0] = {
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.start = 0xFFFC7000,
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.end = 0xFFFC7018 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device hspi_device = {
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.name = "sh-hspi",
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.id = 0,
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.resource = hspi_resources,
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.num_resources = ARRAY_SIZE(hspi_resources),
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};
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/* USB PHY */
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static struct resource usb_phy_resources[] = {
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[0] = {
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.start = 0xffe70000,
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.end = 0xffe70900 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 0xfff70000,
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.end = 0xfff70900 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device usb_phy_device = {
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.name = "rcar_usb_phy",
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.resource = usb_phy_resources,
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.num_resources = ARRAY_SIZE(usb_phy_resources),
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};
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static struct platform_device *marzen_devices[] __initdata = {
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ð_device,
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&sdhi0_device,
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&thermal_device,
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&hspi_device,
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&usb_phy_device,
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};
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/* USB */
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static struct usb_phy *phy;
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static int usb_power_on(struct platform_device *pdev)
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{
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if (!phy)
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return -EIO;
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pm_runtime_enable(&pdev->dev);
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pm_runtime_get_sync(&pdev->dev);
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usb_phy_init(phy);
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return 0;
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}
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static void usb_power_off(struct platform_device *pdev)
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{
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if (!phy)
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return;
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usb_phy_shutdown(phy);
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pm_runtime_put_sync(&pdev->dev);
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pm_runtime_disable(&pdev->dev);
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}
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static struct usb_ehci_pdata ehcix_pdata = {
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.power_on = usb_power_on,
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.power_off = usb_power_off,
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.power_suspend = usb_power_off,
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};
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static struct resource ehci0_resources[] = {
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[0] = {
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.start = 0xffe70000,
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.end = 0xffe70400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(44),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ehci0_device = {
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.name = "ehci-platform",
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.id = 0,
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.dev = {
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.dma_mask = &ehci0_device.dev.coherent_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &ehcix_pdata,
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},
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.num_resources = ARRAY_SIZE(ehci0_resources),
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.resource = ehci0_resources,
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};
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static struct resource ehci1_resources[] = {
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[0] = {
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.start = 0xfff70000,
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.end = 0xfff70400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(45),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ehci1_device = {
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.name = "ehci-platform",
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.id = 1,
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.dev = {
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.dma_mask = &ehci1_device.dev.coherent_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &ehcix_pdata,
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},
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.num_resources = ARRAY_SIZE(ehci1_resources),
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.resource = ehci1_resources,
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};
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static struct usb_ohci_pdata ohcix_pdata = {
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.power_on = usb_power_on,
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.power_off = usb_power_off,
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.power_suspend = usb_power_off,
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};
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static struct resource ohci0_resources[] = {
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[0] = {
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.start = 0xffe70400,
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.end = 0xffe70800 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(44),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ohci0_device = {
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.name = "ohci-platform",
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.id = 0,
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.dev = {
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.dma_mask = &ohci0_device.dev.coherent_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &ohcix_pdata,
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},
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.num_resources = ARRAY_SIZE(ohci0_resources),
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.resource = ohci0_resources,
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};
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static struct resource ohci1_resources[] = {
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[0] = {
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.start = 0xfff70400,
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.end = 0xfff70800 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(45),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ohci1_device = {
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.name = "ohci-platform",
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.id = 1,
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.dev = {
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.dma_mask = &ohci1_device.dev.coherent_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &ohcix_pdata,
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},
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.num_resources = ARRAY_SIZE(ohci1_resources),
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.resource = ohci1_resources,
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};
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static struct platform_device *marzen_late_devices[] __initdata = {
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&ehci0_device,
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&ehci1_device,
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&ohci0_device,
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&ohci1_device,
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};
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void __init marzen_init_late(void)
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{
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/* get usb phy */
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phy = usb_get_phy(USB_PHY_TYPE_USB2);
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shmobile_init_late();
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platform_add_devices(marzen_late_devices,
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ARRAY_SIZE(marzen_late_devices));
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}
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static const struct pinctrl_map marzen_pinctrl_map[] = {
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/* HSPI0 */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
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"hspi0", "hspi0"),
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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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};
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static void __init marzen_init(void)
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{
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regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
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ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
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regulator_register_fixed(1, dummy_supplies,
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ARRAY_SIZE(dummy_supplies));
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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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/* LAN89218 */
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gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
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gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
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/* USB (CN21) */
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gpio_request(GPIO_FN_USB_OVC0, NULL);
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gpio_request(GPIO_FN_USB_OVC1, NULL);
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gpio_request(GPIO_FN_USB_OVC2, NULL);
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/* USB (CN22) */
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gpio_request(GPIO_FN_USB_PENC2, NULL);
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r8a7779_add_standard_devices();
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platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
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}
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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_add_early_devices,
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.nr_irqs = NR_IRQS_LEGACY,
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.init_irq = r8a7779_init_irq,
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.init_machine = marzen_init,
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.init_late = marzen_init_late,
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.init_time = r8a7779_earlytimer_init,
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MACHINE_END
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