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kernel-ark/arch/arm/mach-shmobile/board-armadillo800eva.c
Linus Torvalds 231bf80f7f ARM: SoC board changes for 3.17 
This is the smallest board branch we have ever had. Most of this is a
 few cleanups for board code for Renesas shmobile, with a bit of legacy
 driver support added. This is strongly trending in the right direction now.
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Merge tag 'boards-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC board changes from Olof Johansson:
 "This is the smallest board branch we have ever had.  Most of this is a
  few cleanups for board code for Renesas shmobile, with a bit of legacy
  driver support added.  This is strongly trending in the right
  direction now"

* tag 'boards-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: shmobile: Enable R-Car Gen2 CMA code in board files
  ARM: shmobile: armadillo800eva reference: Spelling s/ED/LED/
  ARM: shmobile: armadillo800eva legacy: Add LED support
  ARM: shmobile: lager-reference: Remove workarounds for core clock issues
  ARM: shmobile: koelsch-reference: Remove workarounds for core clock issues
2014-08-08 11:16:17 -07:00

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/*
* armadillo 800 eva board support
*
* Copyright (C) 2012 Renesas Solutions Corp.
* Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/platform_data/st1232_pdata.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/regulator/driver.h>
#include <linux/pinctrl/machine.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/gpio-regulator.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
#include <linux/videodev2.h>
#include <linux/usb/renesas_usbhs.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/i2c-gpio.h>
#include <linux/reboot.h>
#include <media/mt9t112.h>
#include <media/sh_mobile_ceu.h>
#include <media/soc_camera.h>
#include <asm/page.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/hardware/cache-l2x0.h>
#include <video/sh_mobile_lcdc.h>
#include <video/sh_mobile_hdmi.h>
#include <sound/sh_fsi.h>
#include <sound/simple_card.h>
#include "common.h"
#include "irqs.h"
#include "pm-rmobile.h"
#include "r8a7740.h"
#include "sh-gpio.h"
/*
* CON1 Camera Module
* CON2 Extension Bus
* CON3 HDMI Output
* CON4 Composite Video Output
* CON5 H-UDI JTAG
* CON6 ARM JTAG
* CON7 SD1
* CON8 SD2
* CON9 RTC BackUp
* CON10 Monaural Mic Input
* CON11 Stereo Headphone Output
* CON12 Audio Line Output(L)
* CON13 Audio Line Output(R)
* CON14 AWL13 Module
* CON15 Extension
* CON16 LCD1
* CON17 LCD2
* CON19 Power Input
* CON20 USB1
* CON21 USB2
* CON22 Serial
* CON23 LAN
* CON24 USB3
* LED1 Camera LED(Yellow)
* LED2 Power LED (Green)
* ED3-LED6 User LED(Yellow)
* LED7 LAN link LED(Green)
* LED8 LAN activity LED(Yellow)
*/
/*
* DipSwitch
*
* SW1
*
* -12345678-+---------------+----------------------------
* 1 | boot | hermit
* 0 | boot | OS auto boot
* -12345678-+---------------+----------------------------
* 00 | boot device | eMMC
* 10 | boot device | SDHI0 (CON7)
* 01 | boot device | -
* 11 | boot device | Extension Buss (CS0)
* -12345678-+---------------+----------------------------
* 0 | Extension Bus | D8-D15 disable, eMMC enable
* 1 | Extension Bus | D8-D15 enable, eMMC disable
* -12345678-+---------------+----------------------------
* 0 | SDHI1 | COM8 disable, COM14 enable
* 1 | SDHI1 | COM8 enable, COM14 disable
* -12345678-+---------------+----------------------------
* 0 | USB0 | COM20 enable, COM24 disable
* 1 | USB0 | COM20 disable, COM24 enable
* -12345678-+---------------+----------------------------
* 00 | JTAG | SH-X2
* 10 | JTAG | ARM
* 01 | JTAG | -
* 11 | JTAG | Boundary Scan
*-----------+---------------+----------------------------
*/
/*
* FSI-WM8978
*
* this command is required when playback.
*
* # amixer set "Headphone" 50
*
* this command is required when capture.
*
* # amixer set "Input PGA" 15
* # amixer set "Left Input Mixer MicP" on
* # amixer set "Left Input Mixer MicN" on
* # amixer set "Right Input Mixer MicN" on
* # amixer set "Right Input Mixer MicP" on
*/
/*
* USB function
*
* When you use USB Function,
* set SW1.6 ON, and connect cable to CN24.
*
* USBF needs workaround on R8A7740 chip.
* These are a little bit complex.
* see
* usbhsf_power_ctrl()
*/
#define IRQ7 irq_pin(7)
#define USBCR1 IOMEM(0xe605810a)
#define USBH 0xC6700000
#define USBH_USBCTR 0x10834
struct usbhsf_private {
struct clk *phy;
struct clk *usb24;
struct clk *pci;
struct clk *func;
struct clk *host;
void __iomem *usbh_base;
struct renesas_usbhs_platform_info info;
};
#define usbhsf_get_priv(pdev) \
container_of(renesas_usbhs_get_info(pdev), \
struct usbhsf_private, info)
static int usbhsf_get_id(struct platform_device *pdev)
{
return USBHS_GADGET;
}
static int usbhsf_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
struct usbhsf_private *priv = usbhsf_get_priv(pdev);
/*
* Work around for USB Function.
* It needs USB host clock, and settings
*/
if (enable) {
/*
* enable all the related usb clocks
* for usb workaround
*/
clk_enable(priv->usb24);
clk_enable(priv->pci);
clk_enable(priv->host);
clk_enable(priv->func);
clk_enable(priv->phy);
/*
* set USBCR1
*
* Port1 is driven by USB function,
* Port2 is driven by USB HOST
* One HOST (Port1 or Port2 is HOST)
* USB PLL input clock = 24MHz
*/
__raw_writew(0xd750, USBCR1);
mdelay(1);
/*
* start USB Host
*/
__raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
__raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
mdelay(10);
/*
* USB PHY Power ON
*/
__raw_writew(0xd770, USBCR1);
__raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
} else {
__raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
__raw_writew(0xd7c0, USBCR1); /* GPIO */
clk_disable(priv->phy);
clk_disable(priv->func); /* usb work around */
clk_disable(priv->host); /* usb work around */
clk_disable(priv->pci); /* usb work around */
clk_disable(priv->usb24); /* usb work around */
}
return 0;
}
static int usbhsf_get_vbus(struct platform_device *pdev)
{
return gpio_get_value(209);
}
static irqreturn_t usbhsf_interrupt(int irq, void *data)
{
struct platform_device *pdev = data;
renesas_usbhs_call_notify_hotplug(pdev);
return IRQ_HANDLED;
}
static int usbhsf_hardware_exit(struct platform_device *pdev)
{
struct usbhsf_private *priv = usbhsf_get_priv(pdev);
if (!IS_ERR(priv->phy))
clk_put(priv->phy);
if (!IS_ERR(priv->usb24))
clk_put(priv->usb24);
if (!IS_ERR(priv->pci))
clk_put(priv->pci);
if (!IS_ERR(priv->host))
clk_put(priv->host);
if (!IS_ERR(priv->func))
clk_put(priv->func);
if (priv->usbh_base)
iounmap(priv->usbh_base);
priv->phy = NULL;
priv->usb24 = NULL;
priv->pci = NULL;
priv->host = NULL;
priv->func = NULL;
priv->usbh_base = NULL;
free_irq(IRQ7, pdev);
return 0;
}
static int usbhsf_hardware_init(struct platform_device *pdev)
{
struct usbhsf_private *priv = usbhsf_get_priv(pdev);
int ret;
priv->phy = clk_get(&pdev->dev, "phy");
priv->usb24 = clk_get(&pdev->dev, "usb24");
priv->pci = clk_get(&pdev->dev, "pci");
priv->func = clk_get(&pdev->dev, "func");
priv->host = clk_get(&pdev->dev, "host");
priv->usbh_base = ioremap_nocache(USBH, 0x20000);
if (IS_ERR(priv->phy) ||
IS_ERR(priv->usb24) ||
IS_ERR(priv->pci) ||
IS_ERR(priv->host) ||
IS_ERR(priv->func) ||
!priv->usbh_base) {
dev_err(&pdev->dev, "USB clock setting failed\n");
usbhsf_hardware_exit(pdev);
return -EIO;
}
ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
dev_name(&pdev->dev), pdev);
if (ret) {
dev_err(&pdev->dev, "request_irq err\n");
return ret;
}
irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
/* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
clk_set_rate(priv->usb24,
clk_get_rate(clk_get_parent(priv->usb24)));
return 0;
}
static struct usbhsf_private usbhsf_private = {
.info = {
.platform_callback = {
.get_id = usbhsf_get_id,
.get_vbus = usbhsf_get_vbus,
.hardware_init = usbhsf_hardware_init,
.hardware_exit = usbhsf_hardware_exit,
.power_ctrl = usbhsf_power_ctrl,
},
.driver_param = {
.buswait_bwait = 5,
.detection_delay = 5,
.d0_rx_id = SHDMA_SLAVE_USBHS_RX,
.d1_tx_id = SHDMA_SLAVE_USBHS_TX,
},
}
};
static struct resource usbhsf_resources[] = {
{
.name = "USBHS",
.start = 0xe6890000,
.end = 0xe6890104 - 1,
.flags = IORESOURCE_MEM,
},
{
.start = gic_spi(51),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usbhsf_device = {
.name = "renesas_usbhs",
.dev = {
.platform_data = &usbhsf_private.info,
},
.id = -1,
.num_resources = ARRAY_SIZE(usbhsf_resources),
.resource = usbhsf_resources,
};
/* Ether */
static struct sh_eth_plat_data sh_eth_platdata = {
.phy = 0x00, /* LAN8710A */
.edmac_endian = EDMAC_LITTLE_ENDIAN,
.phy_interface = PHY_INTERFACE_MODE_MII,
};
static struct resource sh_eth_resources[] = {
{
.start = 0xe9a00000,
.end = 0xe9a00800 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = 0xe9a01800,
.end = 0xe9a02000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = gic_spi(110),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sh_eth_device = {
.name = "r8a7740-gether",
.id = -1,
.dev = {
.platform_data = &sh_eth_platdata,
.dma_mask = &sh_eth_device.dev.coherent_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = sh_eth_resources,
.num_resources = ARRAY_SIZE(sh_eth_resources),
};
/* PWM */
static struct resource pwm_resources[] = {
[0] = {
.start = 0xe6600000,
.end = 0xe66000ff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device pwm_device = {
.name = "renesas-tpu-pwm",
.id = -1,
.num_resources = ARRAY_SIZE(pwm_resources),
.resource = pwm_resources,
};
static struct pwm_lookup pwm_lookup[] = {
PWM_LOOKUP("renesas-tpu-pwm", 2, "pwm-backlight.0", NULL,
33333, PWM_POLARITY_INVERSED),
};
/* LCDC and backlight */
static struct platform_pwm_backlight_data pwm_backlight_data = {
.lth_brightness = 50,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 33333, /* 30kHz */
.enable_gpio = 61,
};
static struct platform_device pwm_backlight_device = {
.name = "pwm-backlight",
.dev = {
.platform_data = &pwm_backlight_data,
},
};
static struct fb_videomode lcdc0_mode = {
.name = "AMPIER/AM-800480",
.xres = 800,
.yres = 480,
.left_margin = 88,
.right_margin = 40,
.hsync_len = 128,
.upper_margin = 20,
.lower_margin = 5,
.vsync_len = 5,
.sync = 0,
};
static struct sh_mobile_lcdc_info lcdc0_info = {
.clock_source = LCDC_CLK_BUS,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.fourcc = V4L2_PIX_FMT_RGB565,
.interface_type = RGB24,
.clock_divider = 5,
.flags = 0,
.lcd_modes = &lcdc0_mode,
.num_modes = 1,
.panel_cfg = {
.width = 111,
.height = 68,
},
},
};
static struct resource lcdc0_resources[] = {
[0] = {
.name = "LCD0",
.start = 0xfe940000,
.end = 0xfe943fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(177),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device lcdc0_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(lcdc0_resources),
.resource = lcdc0_resources,
.id = 0,
.dev = {
.platform_data = &lcdc0_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
/*
* LCDC1/HDMI
*/
static struct sh_mobile_hdmi_info hdmi_info = {
.flags = HDMI_OUTPUT_PUSH_PULL |
HDMI_OUTPUT_POLARITY_HI |
HDMI_32BIT_REG |
HDMI_HAS_HTOP1 |
HDMI_SND_SRC_SPDIF,
};
static struct resource hdmi_resources[] = {
[0] = {
.name = "HDMI",
.start = 0xe6be0000,
.end = 0xe6be03ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(131),
.flags = IORESOURCE_IRQ,
},
[2] = {
.name = "HDMI emma3pf",
.start = 0xe6be4000,
.end = 0xe6be43ff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device hdmi_device = {
.name = "sh-mobile-hdmi",
.num_resources = ARRAY_SIZE(hdmi_resources),
.resource = hdmi_resources,
.id = -1,
.dev = {
.platform_data = &hdmi_info,
},
};
static const struct fb_videomode lcdc1_mode = {
.name = "HDMI 720p",
.xres = 1280,
.yres = 720,
.pixclock = 13468,
.left_margin = 220,
.right_margin = 110,
.hsync_len = 40,
.upper_margin = 20,
.lower_margin = 5,
.vsync_len = 5,
.refresh = 60,
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
};
static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
.clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.fourcc = V4L2_PIX_FMT_RGB565,
.interface_type = RGB24,
.clock_divider = 1,
.flags = LCDC_FLAGS_DWPOL,
.lcd_modes = &lcdc1_mode,
.num_modes = 1,
.tx_dev = &hdmi_device,
.panel_cfg = {
.width = 1280,
.height = 720,
},
},
};
static struct resource hdmi_lcdc_resources[] = {
[0] = {
.name = "LCDC1",
.start = 0xfe944000,
.end = 0xfe948000 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(178),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device hdmi_lcdc_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
.resource = hdmi_lcdc_resources,
.id = 1,
.dev = {
.platform_data = &hdmi_lcdc_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
/* LEDS */
static struct gpio_led gpio_leds[] = {
{
.name = "LED3",
.gpio = 102,
.default_state = LEDS_GPIO_DEFSTATE_ON,
}, {
.name = "LED4",
.gpio = 111,
.default_state = LEDS_GPIO_DEFSTATE_ON,
}, {
.name = "LED5",
.gpio = 110,
.default_state = LEDS_GPIO_DEFSTATE_ON,
}, {
.name = "LED6",
.gpio = 177,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
};
static struct gpio_led_platform_data leds_gpio_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device leds_gpio_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &leds_gpio_info,
},
};
/* GPIO KEY */
#define GPIO_KEY(c, g, d, ...) \
{ .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_POWER, 99, "SW3", .wakeup = 1),
GPIO_KEY(KEY_BACK, 100, "SW4"),
GPIO_KEY(KEY_MENU, 97, "SW5"),
GPIO_KEY(KEY_HOME, 98, "SW6"),
};
static struct gpio_keys_platform_data gpio_key_info = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static struct platform_device gpio_keys_device = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &gpio_key_info,
},
};
/* Fixed 3.3V regulator to be used by SDHI1, MMCIF */
static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
};
/* Fixed 3.3V regulator used by LCD backlight */
static struct regulator_consumer_supply fixed5v0_power_consumers[] = {
REGULATOR_SUPPLY("power", "pwm-backlight.0"),
};
/* Fixed 3.3V regulator to be used by SDHI0 */
static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
};
static struct regulator_init_data vcc_sdhi0_init_data = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
.consumer_supplies = vcc_sdhi0_consumers,
};
static struct fixed_voltage_config vcc_sdhi0_info = {
.supply_name = "SDHI0 Vcc",
.microvolts = 3300000,
.gpio = 75,
.enable_high = 1,
.init_data = &vcc_sdhi0_init_data,
};
static struct platform_device vcc_sdhi0 = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &vcc_sdhi0_info,
},
};
/* 1.8 / 3.3V SDHI0 VccQ regulator */
static struct regulator_consumer_supply vccq_sdhi0_consumers[] = {
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
};
static struct regulator_init_data vccq_sdhi0_init_data = {
.constraints = {
.input_uV = 3300000,
.min_uV = 1800000,
.max_uV = 3300000,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(vccq_sdhi0_consumers),
.consumer_supplies = vccq_sdhi0_consumers,
};
static struct gpio vccq_sdhi0_gpios[] = {
{17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" },
};
static struct gpio_regulator_state vccq_sdhi0_states[] = {
{ .value = 3300000, .gpios = (0 << 0) },
{ .value = 1800000, .gpios = (1 << 0) },
};
static struct gpio_regulator_config vccq_sdhi0_info = {
.supply_name = "vqmmc",
.enable_gpio = 74,
.enable_high = 1,
.enabled_at_boot = 0,
.gpios = vccq_sdhi0_gpios,
.nr_gpios = ARRAY_SIZE(vccq_sdhi0_gpios),
.states = vccq_sdhi0_states,
.nr_states = ARRAY_SIZE(vccq_sdhi0_states),
.type = REGULATOR_VOLTAGE,
.init_data = &vccq_sdhi0_init_data,
};
static struct platform_device vccq_sdhi0 = {
.name = "gpio-regulator",
.id = -1,
.dev = {
.platform_data = &vccq_sdhi0_info,
},
};
/* Fixed 3.3V regulator to be used by SDHI1 */
static struct regulator_consumer_supply vcc_sdhi1_consumers[] = {
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
};
static struct regulator_init_data vcc_sdhi1_init_data = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(vcc_sdhi1_consumers),
.consumer_supplies = vcc_sdhi1_consumers,
};
static struct fixed_voltage_config vcc_sdhi1_info = {
.supply_name = "SDHI1 Vcc",
.microvolts = 3300000,
.gpio = 16,
.enable_high = 1,
.init_data = &vcc_sdhi1_init_data,
};
static struct platform_device vcc_sdhi1 = {
.name = "reg-fixed-voltage",
.id = 2,
.dev = {
.platform_data = &vcc_sdhi1_info,
},
};
/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_info = {
.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_POWER_OFF_CARD,
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
.cd_gpio = 167,
};
static struct resource sdhi0_resources[] = {
{
.name = "SDHI0",
.start = 0xe6850000,
.end = 0xe6850100 - 1,
.flags = IORESOURCE_MEM,
},
/*
* no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
*/
{
.name = SH_MOBILE_SDHI_IRQ_SDCARD,
.start = gic_spi(118),
.flags = IORESOURCE_IRQ,
},
{
.name = SH_MOBILE_SDHI_IRQ_SDIO,
.start = gic_spi(119),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi0_device = {
.name = "sh_mobile_sdhi",
.id = 0,
.dev = {
.platform_data = &sdhi0_info,
},
.num_resources = ARRAY_SIZE(sdhi0_resources),
.resource = sdhi0_resources,
};
/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_info = {
.dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
.dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_POWER_OFF_CARD,
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
/* Port72 cannot generate IRQs, will be used in polling mode. */
.cd_gpio = 72,
};
static struct resource sdhi1_resources[] = {
[0] = {
.name = "SDHI1",
.start = 0xe6860000,
.end = 0xe6860100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(121),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = gic_spi(122),
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = gic_spi(123),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi1_device = {
.name = "sh_mobile_sdhi",
.id = 1,
.dev = {
.platform_data = &sdhi1_info,
},
.num_resources = ARRAY_SIZE(sdhi1_resources),
.resource = sdhi1_resources,
};
static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
"sdhi1_data4", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
"sdhi1_ctrl", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
"sdhi1_cd", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
"sdhi1_wp", "sdhi1"),
};
/* MMCIF */
static struct sh_mmcif_plat_data sh_mmcif_plat = {
.sup_pclk = 0,
.caps = MMC_CAP_4_BIT_DATA |
MMC_CAP_8_BIT_DATA |
MMC_CAP_NONREMOVABLE,
.ccs_unsupported = true,
.slave_id_tx = SHDMA_SLAVE_MMCIF_TX,
.slave_id_rx = SHDMA_SLAVE_MMCIF_RX,
};
static struct resource sh_mmcif_resources[] = {
[0] = {
.name = "MMCIF",
.start = 0xe6bd0000,
.end = 0xe6bd0100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
/* MMC ERR */
.start = gic_spi(56),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* MMC NOR */
.start = gic_spi(57),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sh_mmcif_device = {
.name = "sh_mmcif",
.id = -1,
.dev = {
.platform_data = &sh_mmcif_plat,
},
.num_resources = ARRAY_SIZE(sh_mmcif_resources),
.resource = sh_mmcif_resources,
};
/* Camera */
static int mt9t111_power(struct device *dev, int mode)
{
struct clk *mclk = clk_get(NULL, "video1");
if (IS_ERR(mclk)) {
dev_err(dev, "can't get video1 clock\n");
return -EINVAL;
}
if (mode) {
/* video1 (= CON1 camera) expect 24MHz */
clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
clk_enable(mclk);
gpio_set_value(158, 1);
} else {
gpio_set_value(158, 0);
clk_disable(mclk);
}
clk_put(mclk);
return 0;
}
static struct i2c_board_info i2c_camera_mt9t111 = {
I2C_BOARD_INFO("mt9t112", 0x3d),
};
static struct mt9t112_camera_info mt9t111_info = {
.divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
};
static struct soc_camera_link mt9t111_link = {
.i2c_adapter_id = 0,
.bus_id = 0,
.board_info = &i2c_camera_mt9t111,
.power = mt9t111_power,
.priv = &mt9t111_info,
};
static struct platform_device camera_device = {
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &mt9t111_link,
},
};
/* CEU0 */
static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
.flags = SH_CEU_FLAG_LOWER_8BIT,
};
static struct resource ceu0_resources[] = {
[0] = {
.name = "CEU",
.start = 0xfe910000,
.end = 0xfe91009f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(160),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* place holder for contiguous memory */
},
};
static struct platform_device ceu0_device = {
.name = "sh_mobile_ceu",
.id = 0,
.num_resources = ARRAY_SIZE(ceu0_resources),
.resource = ceu0_resources,
.dev = {
.platform_data = &sh_mobile_ceu0_info,
.coherent_dma_mask = 0xffffffff,
},
};
/* FSI */
static struct sh_fsi_platform_info fsi_info = {
/* FSI-WM8978 */
.port_a = {
.tx_id = SHDMA_SLAVE_FSIA_TX,
},
/* FSI-HDMI */
.port_b = {
.flags = SH_FSI_FMT_SPDIF |
SH_FSI_ENABLE_STREAM_MODE |
SH_FSI_CLK_CPG,
.tx_id = SHDMA_SLAVE_FSIB_TX,
}
};
static struct resource fsi_resources[] = {
[0] = {
.name = "FSI",
.start = 0xfe1f0000,
.end = 0xfe1f0400 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(9),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device fsi_device = {
.name = "sh_fsi2",
.id = -1,
.num_resources = ARRAY_SIZE(fsi_resources),
.resource = fsi_resources,
.dev = {
.platform_data = &fsi_info,
},
};
/* FSI-WM8978 */
static struct asoc_simple_card_info fsi_wm8978_info = {
.name = "wm8978",
.card = "FSI2A-WM8978",
.codec = "wm8978.0-001a",
.platform = "sh_fsi2",
.daifmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
.cpu_dai = {
.fmt = SND_SOC_DAIFMT_IB_NF,
.name = "fsia-dai",
},
.codec_dai = {
.name = "wm8978-hifi",
.sysclk = 12288000,
},
};
static struct platform_device fsi_wm8978_device = {
.name = "asoc-simple-card",
.id = 0,
.dev = {
.platform_data = &fsi_wm8978_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_wm8978_device.dev.coherent_dma_mask,
},
};
/* FSI-HDMI */
static struct asoc_simple_card_info fsi2_hdmi_info = {
.name = "HDMI",
.card = "FSI2B-HDMI",
.codec = "sh-mobile-hdmi",
.platform = "sh_fsi2",
.cpu_dai = {
.name = "fsib-dai",
.fmt = SND_SOC_DAIFMT_CBS_CFS,
},
.codec_dai = {
.name = "sh_mobile_hdmi-hifi",
},
};
static struct platform_device fsi_hdmi_device = {
.name = "asoc-simple-card",
.id = 1,
.dev = {
.platform_data = &fsi2_hdmi_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_hdmi_device.dev.coherent_dma_mask,
},
};
/* RTC: RTC connects i2c-gpio. */
static struct i2c_gpio_platform_data i2c_gpio_data = {
.sda_pin = 208,
.scl_pin = 91,
.udelay = 5, /* 100 kHz */
};
static struct platform_device i2c_gpio_device = {
.name = "i2c-gpio",
.id = 2,
.dev = {
.platform_data = &i2c_gpio_data,
},
};
/* I2C */
static struct st1232_pdata st1232_i2c0_pdata = {
.reset_gpio = 166,
};
static struct i2c_board_info i2c0_devices[] = {
{
I2C_BOARD_INFO("st1232-ts", 0x55),
.irq = irq_pin(10),
.platform_data = &st1232_i2c0_pdata,
},
{
I2C_BOARD_INFO("wm8978", 0x1a),
},
};
static struct i2c_board_info i2c2_devices[] = {
{
I2C_BOARD_INFO("s35390a", 0x30),
.type = "s35390a",
},
};
/*
* board devices
*/
static struct platform_device *eva_devices[] __initdata = {
&lcdc0_device,
&pwm_device,
&pwm_backlight_device,
&leds_gpio_device,
&gpio_keys_device,
&sh_eth_device,
&vcc_sdhi0,
&vccq_sdhi0,
&sdhi0_device,
&sh_mmcif_device,
&hdmi_device,
&hdmi_lcdc_device,
&camera_device,
&ceu0_device,
&fsi_device,
&fsi_wm8978_device,
&fsi_hdmi_device,
&i2c_gpio_device,
};
static const struct pinctrl_map eva_pinctrl_map[] = {
/* CEU0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
"ceu0_data_0_7", "ceu0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
"ceu0_clk_0", "ceu0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
"ceu0_sync", "ceu0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
"ceu0_field", "ceu0"),
/* FSIA */
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
"fsia_sclk_in", "fsia"),
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
"fsia_mclk_out", "fsia"),
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
"fsia_data_in_1", "fsia"),
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
"fsia_data_out_0", "fsia"),
/* FSIB */
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
"fsib_mclk_in", "fsib"),
/* GETHER */
PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
"gether_mii", "gether"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
"gether_int", "gether"),
/* HDMI */
PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
"hdmi", "hdmi"),
/* LCD0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
"lcd0_data24_0", "lcd0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
"lcd0_lclk_1", "lcd0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
"lcd0_sync", "lcd0"),
/* MMCIF */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
"mmc0_data8_1", "mmc0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
"mmc0_ctrl_1", "mmc0"),
/* SCIFA1 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740",
"scifa1_data", "scifa1"),
/* SDHI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
"sdhi0_data4", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
"sdhi0_ctrl", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
"sdhi0_wp", "sdhi0"),
/* ST1232 */
PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-r8a7740",
"intc_irq10", "intc"),
/* TPU0 */
PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm", "pfc-r8a7740",
"tpu0_to2_1", "tpu0"),
/* USBHS */
PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7740",
"intc_irq7_1", "intc"),
};
static void __init eva_clock_init(void)
{
struct clk *system = clk_get(NULL, "system_clk");
struct clk *xtal1 = clk_get(NULL, "extal1");
struct clk *usb24s = clk_get(NULL, "usb24s");
struct clk *fsibck = clk_get(NULL, "fsibck");
if (IS_ERR(system) ||
IS_ERR(xtal1) ||
IS_ERR(usb24s) ||
IS_ERR(fsibck)) {
pr_err("armadillo800eva board clock init failed\n");
goto clock_error;
}
/* armadillo 800 eva extal1 is 24MHz */
clk_set_rate(xtal1, 24000000);
/* usb24s use extal1 (= system) clock (= 24MHz) */
clk_set_parent(usb24s, system);
/* FSIBCK is 12.288MHz, and it is parent of FSI-B */
clk_set_rate(fsibck, 12288000);
clock_error:
if (!IS_ERR(system))
clk_put(system);
if (!IS_ERR(xtal1))
clk_put(xtal1);
if (!IS_ERR(usb24s))
clk_put(usb24s);
if (!IS_ERR(fsibck))
clk_put(fsibck);
}
/*
* board init
*/
#define GPIO_PORT7CR IOMEM(0xe6050007)
#define GPIO_PORT8CR IOMEM(0xe6050008)
static void __init eva_init(void)
{
struct platform_device *usb = NULL;
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
regulator_register_always_on(3, "fixed-5.0V", fixed5v0_power_consumers,
ARRAY_SIZE(fixed5v0_power_consumers), 5000000);
pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
r8a7740_pinmux_init();
r8a7740_meram_workaround();
/* GETHER */
gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
/* USB */
gpio_request_one(159, GPIOF_IN, NULL); /* USB_DEVICE_MODE */
if (gpio_get_value(159)) {
/* USB Host */
} else {
/* USB Func */
/*
* The USBHS interrupt handlers needs to read the IRQ pin value
* (HI/LOW) to diffentiate USB connection and disconnection
* events (usbhsf_get_vbus()). We thus need to select both the
* intc_irq7_1 pin group and GPIO 209 here.
*/
gpio_request_one(209, GPIOF_IN, NULL);
platform_device_register(&usbhsf_device);
usb = &usbhsf_device;
}
/* CON1/CON15 Camera */
gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */
gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
/* see mt9t111_power() */
gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */
/* FSI-WM8978 */
gpio_request(7, NULL);
gpio_request(8, NULL);
gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
/*
* CAUTION
*
* DBGMD/LCDC0/FSIA MUX
* DBGMD_SELECT_B should be set after setting PFC Function.
*/
gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
/*
* We can switch CON8/CON14 by SW1.5,
* but it needs after DBGMD_SELECT_B
*/
gpio_request_one(6, GPIOF_IN, NULL);
if (gpio_get_value(6)) {
/* CON14 enable */
} else {
/* CON8 (SDHI1) enable */
pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
ARRAY_SIZE(eva_sdhi1_pinctrl_map));
platform_device_register(&vcc_sdhi1);
platform_device_register(&sdhi1_device);
}
#ifdef CONFIG_CACHE_L2X0
/* Shared attribute override enable, 32K*8way */
l2x0_init(IOMEM(0xf0002000), 0x00400000, 0xc20f0fff);
#endif
i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
r8a7740_add_standard_devices();
platform_add_devices(eva_devices,
ARRAY_SIZE(eva_devices));
rmobile_add_device_to_domain("A4LC", &lcdc0_device);
rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
if (usb)
rmobile_add_device_to_domain("A3SP", usb);
r8a7740_pm_init();
}
static void __init eva_earlytimer_init(void)
{
r8a7740_clock_init(MD_CK0 | MD_CK2);
shmobile_earlytimer_init();
/* the rate of extal1 clock must be set before late_time_init */
eva_clock_init();
}
#define RESCNT2 IOMEM(0xe6188020)
static void eva_restart(enum reboot_mode mode, const char *cmd)
{
/* Do soft power on reset */
writel((1 << 31), RESCNT2);
}
static const char *eva_boards_compat_dt[] __initdata = {
"renesas,armadillo800eva",
NULL,
};
DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
.map_io = r8a7740_map_io,
.init_early = r8a7740_add_early_devices,
.init_irq = r8a7740_init_irq_of,
.init_machine = eva_init,
.init_late = shmobile_init_late,
.init_time = eva_earlytimer_init,
.dt_compat = eva_boards_compat_dt,
.restart = eva_restart,
MACHINE_END
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