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author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 06:22:41 (GMT) |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-08 06:22:41 (GMT) |
commit | 1a43f2012455a977397deffe35912fd3f3ce17b9 (patch) | |
tree | 5189f337df44e7a495fbd097cd476b0380babd8c /arch/arm/mach-mx5 | |
parent | e1b96ada659431669efaf3defa997abf5db68130 (diff) | |
parent | 322a8b034003c0d46d39af85bf24fee27b902f48 (diff) | |
download | linux-fsl-qoriq-1a43f2012455a977397deffe35912fd3f3ce17b9.tar.xz |
Merge commit 'v3.1-rc1' into imx-fixes
Diffstat (limited to 'arch/arm/mach-mx5')
23 files changed, 621 insertions, 193 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 799fbc4..b4e7c58 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -109,6 +109,7 @@ config MACH_EUKREA_MBIMX51_BASEBOARD bool select IMX_HAVE_PLATFORM_IMX_KEYPAD select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX + select LEDS_GPIO_REGISTER help This adds board specific devices that can be found on Eukrea's MBIMX51 evaluation board. @@ -135,6 +136,7 @@ config MACH_EUKREA_MBIMXSD51_BASEBOARD prompt "Eukrea MBIMXSD development board" bool select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX + select LEDS_GPIO_REGISTER help This adds board specific devices that can be found on Eukrea's MBIMXSD evaluation board. @@ -151,6 +153,7 @@ config MX51_EFIKA_COMMON config MACH_MX51_EFIKAMX bool "Support MX51 Genesi Efika MX nettop" + select LEDS_GPIO_REGISTER select MX51_EFIKA_COMMON help Include support for Genesi Efika MX nettop. This includes specific @@ -158,6 +161,7 @@ config MACH_MX51_EFIKAMX config MACH_MX51_EFIKASB bool "Support MX51 Genesi Efika Smartbook" + select LEDS_GPIO_REGISTER select MX51_EFIKA_COMMON help Include support for Genesi Efika Smartbook. This includes specific @@ -176,6 +180,7 @@ config MACH_MX53_EVK select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_SPI_IMX + select LEDS_GPIO_REGISTER help Include support for MX53 EVK platform. This includes specific configurations for the board and its peripherals. @@ -199,10 +204,23 @@ config MACH_MX53_LOCO select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_GPIO_KEYS + select LEDS_GPIO_REGISTER help Include support for MX53 LOCO platform. This includes specific configurations for the board and its peripherals. +config MACH_MX53_ARD + bool "Support MX53 ARD platforms" + select SOC_IMX53 + select IMX_HAVE_PLATFORM_IMX2_WDT + select IMX_HAVE_PLATFORM_IMX_I2C + select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX + select IMX_HAVE_PLATFORM_GPIO_KEYS + help + Include support for MX53 ARD platform. This includes specific + configurations for the board and its peripherals. + endif # ARCH_MX53_SUPPORTED endif diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 0b9338c..383e7cd 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -6,12 +6,14 @@ obj-y := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o obj-$(CONFIG_SOC_IMX50) += mm-mx50.o +obj-$(CONFIG_PM) += pm-imx5.o obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o +obj-$(CONFIG_MACH_MX53_ARD) += board-mx53_ard.o obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c index 4efa02e..7c893fa 100644 --- a/arch/arm/mach-mx5/board-cpuimx51.c +++ b/arch/arm/mach-mx5/board-cpuimx51.c @@ -43,10 +43,6 @@ #define CPUIMX51_QUARTB_GPIO IMX_GPIO_NR(3, 25) #define CPUIMX51_QUARTC_GPIO IMX_GPIO_NR(3, 26) #define CPUIMX51_QUARTD_GPIO IMX_GPIO_NR(3, 27) -#define CPUIMX51_QUARTA_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTA_GPIO) -#define CPUIMX51_QUARTB_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTB_GPIO) -#define CPUIMX51_QUARTC_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTC_GPIO) -#define CPUIMX51_QUARTD_IRQ (MXC_INTERNAL_IRQS + CPUIMX51_QUARTD_GPIO) #define CPUIMX51_QUART_XTAL 14745600 #define CPUIMX51_QUART_REGSHIFT 17 @@ -61,7 +57,7 @@ static struct plat_serial8250_port serial_platform_data[] = { { .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x400000), - .irq = CPUIMX51_QUARTA_IRQ, + .irq = gpio_to_irq(CPUIMX51_QUARTA_GPIO), .irqflags = IRQF_TRIGGER_HIGH, .uartclk = CPUIMX51_QUART_XTAL, .regshift = CPUIMX51_QUART_REGSHIFT, @@ -69,7 +65,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, }, { .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x800000), - .irq = CPUIMX51_QUARTB_IRQ, + .irq = gpio_to_irq(CPUIMX51_QUARTB_GPIO), .irqflags = IRQF_TRIGGER_HIGH, .uartclk = CPUIMX51_QUART_XTAL, .regshift = CPUIMX51_QUART_REGSHIFT, @@ -77,7 +73,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, }, { .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x1000000), - .irq = CPUIMX51_QUARTC_IRQ, + .irq = gpio_to_irq(CPUIMX51_QUARTC_GPIO), .irqflags = IRQF_TRIGGER_HIGH, .uartclk = CPUIMX51_QUART_XTAL, .regshift = CPUIMX51_QUART_REGSHIFT, @@ -85,7 +81,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, }, { .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000), - .irq = CPUIMX51_QUARTD_IRQ, + .irq = irq_to_gpio(CPUIMX51_QUARTD_GPIO), .irqflags = IRQF_TRIGGER_HIGH, .uartclk = CPUIMX51_QUART_XTAL, .regshift = CPUIMX51_QUART_REGSHIFT, @@ -245,6 +241,8 @@ __setup("otg_mode=", eukrea_cpuimx51_otg_mode); */ static void __init eukrea_cpuimx51_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads, ARRAY_SIZE(eukrea_cpuimx51_pads)); diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c index 5ef25a5..ff096d5 100644 --- a/arch/arm/mach-mx5/board-cpuimx51sd.c +++ b/arch/arm/mach-mx5/board-cpuimx51sd.c @@ -264,6 +264,8 @@ static struct platform_device *platform_devices[] __initdata = { static void __init eukrea_cpuimx51sd_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads, ARRAY_SIZE(eukrea_cpuimx51sd_pads)); diff --git a/arch/arm/mach-mx5/board-mx50_rdp.c b/arch/arm/mach-mx5/board-mx50_rdp.c index 11210e1..7de25c6 100644 --- a/arch/arm/mach-mx5/board-mx50_rdp.c +++ b/arch/arm/mach-mx5/board-mx50_rdp.c @@ -192,6 +192,8 @@ static const struct imxi2c_platform_data i2c_data __initconst = { */ static void __init mx50_rdp_board_init(void) { + imx50_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx50_rdp_pads, ARRAY_SIZE(mx50_rdp_pads)); diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c index 63dfbea..07a3815 100644 --- a/arch/arm/mach-mx5/board-mx51_3ds.c +++ b/arch/arm/mach-mx5/board-mx51_3ds.c @@ -13,6 +13,7 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> +#include <linux/gpio.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -26,7 +27,7 @@ #include "devices-imx51.h" #include "devices.h" -#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6) +#define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 6)) #define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28) static iomux_v3_cfg_t mx51_3ds_pads[] = { @@ -135,6 +136,8 @@ static struct spi_board_info mx51_3ds_spi_nor_device[] = { */ static void __init mx51_3ds_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads, ARRAY_SIZE(mx51_3ds_pads)); diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 98b40aa..11b0ff6 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -36,11 +36,13 @@ #define BABBAGE_USB_HUB_RESET IMX_GPIO_NR(1, 7) #define BABBAGE_USBH1_STP IMX_GPIO_NR(1, 27) -#define BABBAGE_PHY_RESET IMX_GPIO_NR(2, 5) +#define BABBAGE_USB_PHY_RESET IMX_GPIO_NR(2, 5) #define BABBAGE_FEC_PHY_RESET IMX_GPIO_NR(2, 14) #define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21) #define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24) #define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25) +#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6) +#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5) /* USB_CTRL_1 */ #define MX51_USB_CTRL_1_OFFSET 0x10 @@ -110,6 +112,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { /* USB HUB reset line*/ MX51_PAD_GPIO1_7__GPIO1_7, + /* USB PHY reset line */ + MX51_PAD_EIM_D21__GPIO2_5, + /* FEC */ MX51_PAD_EIM_EB2__FEC_MDIO, MX51_PAD_EIM_EB3__FEC_RDATA1, @@ -139,6 +144,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD1_DATA1__SD1_DATA1, MX51_PAD_SD1_DATA2__SD1_DATA2, MX51_PAD_SD1_DATA3__SD1_DATA3, + /* CD/WP from controller */ + MX51_PAD_GPIO1_0__SD1_CD, + MX51_PAD_GPIO1_1__SD1_WP, /* SD 2 */ MX51_PAD_SD2_CMD__SD2_CMD, @@ -147,6 +155,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD2_DATA1__SD2_DATA1, MX51_PAD_SD2_DATA2__SD2_DATA2, MX51_PAD_SD2_DATA3__SD2_DATA3, + /* CD/WP gpio */ + MX51_PAD_GPIO1_6__GPIO1_6, + MX51_PAD_GPIO1_5__GPIO1_5, /* eCSPI1 */ MX51_PAD_CSPI1_MISO__ECSPI1_MISO, @@ -169,34 +180,31 @@ static struct imxi2c_platform_data babbage_hsi2c_data = { .bitrate = 400000, }; +static struct gpio mx51_babbage_usbh1_gpios[] = { + { BABBAGE_USBH1_STP, GPIOF_OUT_INIT_LOW, "usbh1_stp" }, + { BABBAGE_USB_PHY_RESET, GPIOF_OUT_INIT_LOW, "usbh1_phy_reset" }, +}; + static int gpio_usbh1_active(void) { iomux_v3_cfg_t usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO1_27; - iomux_v3_cfg_t phyreset_gpio = MX51_PAD_EIM_D21__GPIO2_5; int ret; /* Set USBH1_STP to GPIO and toggle it */ mxc_iomux_v3_setup_pad(usbh1stp_gpio); - ret = gpio_request(BABBAGE_USBH1_STP, "usbh1_stp"); + ret = gpio_request_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); if (ret) { - pr_debug("failed to get MX51_PAD_USBH1_STP__GPIO_1_27: %d\n", ret); + pr_debug("failed to get USBH1 pins: %d\n", ret); return ret; } - gpio_direction_output(BABBAGE_USBH1_STP, 0); - gpio_set_value(BABBAGE_USBH1_STP, 1); - msleep(100); - gpio_free(BABBAGE_USBH1_STP); - - /* De-assert USB PHY RESETB */ - mxc_iomux_v3_setup_pad(phyreset_gpio); - ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset"); - if (ret) { - pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret); - return ret; - } - gpio_direction_output(BABBAGE_PHY_RESET, 1); + msleep(100); + gpio_set_value(BABBAGE_USBH1_STP, 1); + gpio_set_value(BABBAGE_USB_PHY_RESET, 1); + gpio_free_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); return 0; } @@ -331,6 +339,18 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = { .num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs), }; +static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = { + .cd_type = ESDHC_CD_CONTROLLER, + .wp_type = ESDHC_WP_CONTROLLER, +}; + +static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = { + .cd_gpio = BABBAGE_SD2_CD, + .wp_gpio = BABBAGE_SD2_WP, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_GPIO, +}; + /* * Board specific initialization. */ @@ -340,6 +360,8 @@ static void __init mx51_babbage_init(void) iomux_v3_cfg_t power_key = _MX51_PAD_EIM_A27__GPIO2_21 | MUX_PAD_CTRL(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + imx51_soc_init(); + #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx51_get_cpu_op; #endif @@ -374,8 +396,8 @@ static void __init mx51_babbage_init(void) mxc_iomux_v3_setup_pad(usbh1stp); babbage_usbhub_reset(); - imx51_add_sdhci_esdhc_imx(0, NULL); - imx51_add_sdhci_esdhc_imx(1, NULL); + imx51_add_sdhci_esdhc_imx(0, &mx51_babbage_sd1_data); + imx51_add_sdhci_esdhc_imx(1, &mx51_babbage_sd2_data); spi_register_board_info(mx51_babbage_spi_board_info, ARRAY_SIZE(mx51_babbage_spi_board_info)); diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c index 5e8dd6a..551daf8 100644 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -139,7 +139,7 @@ static void __init mx51_efikamx_board_id(void) } } -static struct gpio_led mx51_efikamx_leds[] = { +static struct gpio_led mx51_efikamx_leds[] __initdata = { { .name = "efikamx:green", .default_trigger = "default-on", @@ -157,19 +157,12 @@ static struct gpio_led mx51_efikamx_leds[] = { }, }; -static struct gpio_led_platform_data mx51_efikamx_leds_data = { +static const struct gpio_led_platform_data + mx51_efikamx_leds_data __initconst = { .leds = mx51_efikamx_leds, .num_leds = ARRAY_SIZE(mx51_efikamx_leds), }; -static struct platform_device mx51_efikamx_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &mx51_efikamx_leds_data, - }, -}; - static struct gpio_keys_button mx51_efikamx_powerkey[] = { { .code = KEY_POWER, @@ -236,6 +229,8 @@ late_initcall(mx51_efikamx_power_init); static void __init mx51_efikamx_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, ARRAY_SIZE(mx51efikamx_pads)); efika_board_common_init(); @@ -248,7 +243,7 @@ static void __init mx51_efikamx_init(void) mx51_efikamx_leds[2].default_trigger = "mmc1"; } - platform_device_register(&mx51_efikamx_leds_device); + gpio_led_register_device(-1, &mx51_efikamx_leds_data); imx_add_gpio_keys(&mx51_efikamx_powerkey_data); if (system_rev == 0x11) { diff --git a/arch/arm/mach-mx5/board-mx51_efikasb.c b/arch/arm/mach-mx5/board-mx51_efikasb.c index f0c33b3..8a9bca2 100644 --- a/arch/arm/mach-mx5/board-mx51_efikasb.c +++ b/arch/arm/mach-mx5/board-mx51_efikasb.c @@ -132,7 +132,7 @@ static void __init mx51_efikasb_usb(void) mxc_register_device(&mxc_usbh2_device, &usbh2_config); } -static struct gpio_led mx51_efikasb_leds[] = { +static const struct gpio_led mx51_efikasb_leds[] __initconst = { { .name = "efikasb:green", .default_trigger = "default-on", @@ -146,19 +146,12 @@ static struct gpio_led mx51_efikasb_leds[] = { }, }; -static struct gpio_led_platform_data mx51_efikasb_leds_data = { +static const struct gpio_led_platform_data + mx51_efikasb_leds_data __initconst = { .leds = mx51_efikasb_leds, .num_leds = ARRAY_SIZE(mx51_efikasb_leds), }; -static struct platform_device mx51_efikasb_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &mx51_efikasb_leds_data, - }, -}; - static struct gpio_keys_button mx51_efikasb_keys[] = { { .code = KEY_POWER, @@ -249,6 +242,8 @@ static void __init mx51_efikasb_board_id(void) static void __init efikasb_board_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51efikasb_pads, ARRAY_SIZE(mx51efikasb_pads)); efika_board_common_init(); @@ -257,9 +252,8 @@ static void __init efikasb_board_init(void) mx51_efikasb_usb(); imx51_add_sdhci_esdhc_imx(1, NULL); - platform_device_register(&mx51_efikasb_leds_device); + gpio_led_register_device(-1, &mx51_efikasb_leds_data); imx_add_gpio_keys(&mx51_efikasb_keys_data); - } static void __init mx51_efikasb_timer_init(void) diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c new file mode 100644 index 0000000..76a67c4 --- /dev/null +++ b/arch/arm/mach-mx5/board-mx53_ard.c @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * 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; either version 2 of the License, or + * (at your option) any later version. + + * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/init.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/smsc911x.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/iomux-mx53.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include "crm_regs.h" +#include "devices-imx53.h" + +#define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31) +#define ARD_SD1_CD IMX_GPIO_NR(1, 1) +#define ARD_SD1_WP IMX_GPIO_NR(1, 9) +#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3) +#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0) +#define ARD_HOME IMX_GPIO_NR(5, 10) +#define ARD_BACK IMX_GPIO_NR(5, 11) +#define ARD_PROG IMX_GPIO_NR(5, 12) +#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13) + +static iomux_v3_cfg_t mx53_ard_pads[] = { + /* UART1 */ + MX53_PAD_PATA_DIOW__UART1_TXD_MUX, + MX53_PAD_PATA_DMACK__UART1_RXD_MUX, + /* WEIM for CS1 */ + MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */ + MX53_PAD_EIM_D16__EMI_WEIM_D_16, + MX53_PAD_EIM_D17__EMI_WEIM_D_17, + MX53_PAD_EIM_D18__EMI_WEIM_D_18, + MX53_PAD_EIM_D19__EMI_WEIM_D_19, + MX53_PAD_EIM_D20__EMI_WEIM_D_20, + MX53_PAD_EIM_D21__EMI_WEIM_D_21, + MX53_PAD_EIM_D22__EMI_WEIM_D_22, + MX53_PAD_EIM_D23__EMI_WEIM_D_23, + MX53_PAD_EIM_D24__EMI_WEIM_D_24, + MX53_PAD_EIM_D25__EMI_WEIM_D_25, + MX53_PAD_EIM_D26__EMI_WEIM_D_26, + MX53_PAD_EIM_D27__EMI_WEIM_D_27, + MX53_PAD_EIM_D28__EMI_WEIM_D_28, + MX53_PAD_EIM_D29__EMI_WEIM_D_29, + MX53_PAD_EIM_D30__EMI_WEIM_D_30, + MX53_PAD_EIM_D31__EMI_WEIM_D_31, + MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0, + MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1, + MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2, + MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3, + MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4, + MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5, + MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6, + MX53_PAD_EIM_OE__EMI_WEIM_OE, + MX53_PAD_EIM_RW__EMI_WEIM_RW, + MX53_PAD_EIM_CS1__EMI_WEIM_CS_1, + /* SDHC1 */ + MX53_PAD_SD1_CMD__ESDHC1_CMD, + MX53_PAD_SD1_CLK__ESDHC1_CLK, + MX53_PAD_SD1_DATA0__ESDHC1_DAT0, + MX53_PAD_SD1_DATA1__ESDHC1_DAT1, + MX53_PAD_SD1_DATA2__ESDHC1_DAT2, + MX53_PAD_SD1_DATA3__ESDHC1_DAT3, + MX53_PAD_PATA_DATA8__ESDHC1_DAT4, + MX53_PAD_PATA_DATA9__ESDHC1_DAT5, + MX53_PAD_PATA_DATA10__ESDHC1_DAT6, + MX53_PAD_PATA_DATA11__ESDHC1_DAT7, + MX53_PAD_GPIO_1__GPIO1_1, + MX53_PAD_GPIO_9__GPIO1_9, + /* I2C2 */ + MX53_PAD_EIM_EB2__I2C2_SCL, + MX53_PAD_KEY_ROW3__I2C2_SDA, + /* I2C3 */ + MX53_PAD_GPIO_3__I2C3_SCL, + MX53_PAD_GPIO_16__I2C3_SDA, + /* GPIO */ + MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */ + MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */ + MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */ + MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */ + MX53_PAD_GPIO_10__GPIO4_0, /* vol down */ +}; + +#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \ +{ \ + .gpio = gpio_num, \ + .type = EV_KEY, \ + .code = ev_code, \ + .active_low = act_low, \ + .desc = "btn " descr, \ + .wakeup = wake, \ +} + +static struct gpio_keys_button ard_buttons[] = { + GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0), + GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0), + GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0), + GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0), + GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0), +}; + +static const struct gpio_keys_platform_data ard_button_data __initconst = { + .buttons = ard_buttons, + .nbuttons = ARRAY_SIZE(ard_buttons), +}; + +static struct resource ard_smsc911x_resources[] = { + { + .start = MX53_CS1_64MB_BASE_ADDR, + .end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = gpio_to_irq(ARD_ETHERNET_INT_B), + .end = gpio_to_irq(ARD_ETHERNET_INT_B), + .flags = IORESOURCE_IRQ, + }, +}; + +struct smsc911x_platform_config ard_smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .flags = SMSC911X_USE_32BIT, +}; + +static struct platform_device ard_smsc_lan9220_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(ard_smsc911x_resources), + .resource = ard_smsc911x_resources, + .dev = { + .platform_data = &ard_smsc911x_config, + }, +}; + +static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = { + .cd_gpio = ARD_SD1_CD, + .wp_gpio = ARD_SD1_WP, +}; + +static struct imxi2c_platform_data mx53_ard_i2c2_data = { + .bitrate = 50000, +}; + +static struct imxi2c_platform_data mx53_ard_i2c3_data = { + .bitrate = 400000, +}; + +static void __init mx53_ard_io_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads, + ARRAY_SIZE(mx53_ard_pads)); + + gpio_request(ARD_ETHERNET_INT_B, "eth-int-b"); + gpio_direction_input(ARD_ETHERNET_INT_B); + + gpio_request(ARD_I2CPORTEXP_B, "i2cptexp-rst"); + gpio_direction_output(ARD_I2CPORTEXP_B, 1); +} + +/* Config CS1 settings for ethernet controller */ +static int weim_cs_config(void) +{ + u32 reg; + void __iomem *weim_base, *iomuxc_base; + + weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K); + if (!weim_base) + return -ENOMEM; + + iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K); + if (!iomuxc_base) + return -ENOMEM; + + /* CS1 timings for LAN9220 */ + writel(0x20001, (weim_base + 0x18)); + writel(0x0, (weim_base + 0x1C)); + writel(0x16000202, (weim_base + 0x20)); + writel(0x00000002, (weim_base + 0x24)); + writel(0x16002082, (weim_base + 0x28)); + writel(0x00000000, (weim_base + 0x2C)); + writel(0x00000000, (weim_base + 0x90)); + + /* specify 64 MB on CS1 and CS0 on GPR1 */ + reg = readl(iomuxc_base + 0x4); + reg &= ~0x3F; + reg |= 0x1B; + writel(reg, (iomuxc_base + 0x4)); + + iounmap(iomuxc_base); + iounmap(weim_base); + + return 0; +} + +static struct platform_device *devices[] __initdata = { + &ard_smsc_lan9220_device, +}; + +static void __init mx53_ard_board_init(void) +{ + imx53_soc_init(); + imx53_add_imx_uart(0, NULL); + + mx53_ard_io_init(); + weim_cs_config(); + platform_add_devices(devices, ARRAY_SIZE(devices)); + + imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data); + imx53_add_imx2_wdt(0, NULL); + imx53_add_imx_i2c(1, &mx53_ard_i2c2_data); + imx53_add_imx_i2c(2, &mx53_ard_i2c3_data); + imx_add_gpio_keys(&ard_button_data); +} + +static void __init mx53_ard_timer_init(void) +{ + mx53_clocks_init(32768, 24000000, 22579200, 0); +} + +static struct sys_timer mx53_ard_timer = { + .init = mx53_ard_timer_init, +}; + +MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board") + .map_io = mx53_map_io, + .init_early = imx53_init_early, + .init_irq = mx53_init_irq, + .timer = &mx53_ard_timer, + .init_machine = mx53_ard_board_init, +MACHINE_END diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index f87d571..1b417b0 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -35,6 +35,7 @@ #define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6) #define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30) #define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19) +#define MX53EVK_LED IMX_GPIO_NR(7, 7) #include "crm_regs.h" #include "devices-imx53.h" @@ -58,12 +59,27 @@ static iomux_v3_cfg_t mx53_evk_pads[] = { /* ecspi chip select lines */ MX53_PAD_EIM_EB2__GPIO2_30, MX53_PAD_EIM_D19__GPIO3_19, + /* LED */ + MX53_PAD_PATA_DA_1__GPIO7_7, }; static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; +static const struct gpio_led mx53evk_leds[] __initconst = { + { + .name = "green", + .default_trigger = "heartbeat", + .gpio = MX53EVK_LED, + }, +}; + +static const struct gpio_led_platform_data mx53evk_leds_data __initconst = { + .leds = mx53evk_leds, + .num_leds = ARRAY_SIZE(mx53evk_leds), +}; + static inline void mx53_evk_init_uart(void) { imx53_add_imx_uart(0, NULL); @@ -117,6 +133,8 @@ static const struct spi_imx_master mx53_evk_spi_data __initconst = { static void __init mx53_evk_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, ARRAY_SIZE(mx53_evk_pads)); mx53_evk_init_uart(); @@ -133,6 +151,7 @@ static void __init mx53_evk_board_init(void) ARRAY_SIZE(mx53_evk_spi_board_info)); imx53_add_ecspi(0, &mx53_evk_spi_data); imx53_add_imx2_wdt(0, NULL); + gpio_led_register_device(-1, &mx53evk_leds_data); } static void __init mx53_evk_timer_init(void) diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 1b947e8..4e1d51d 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -38,6 +38,10 @@ #define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14) #define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15) #define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6) +#define LOCO_LED IMX_GPIO_NR(7, 7) +#define LOCO_SD3_CD IMX_GPIO_NR(3, 11) +#define LOCO_SD3_WP IMX_GPIO_NR(3, 12) +#define LOCO_SD1_CD IMX_GPIO_NR(3, 13) static iomux_v3_cfg_t mx53_loco_pads[] = { /* FEC */ @@ -70,6 +74,8 @@ static iomux_v3_cfg_t mx53_loco_pads[] = { MX53_PAD_SD1_DATA1__ESDHC1_DAT1, MX53_PAD_SD1_DATA2__ESDHC1_DAT2, MX53_PAD_SD1_DATA3__ESDHC1_DAT3, + /* SD1_CD */ + MX53_PAD_EIM_DA13__GPIO3_13, /* SD3 */ MX53_PAD_PATA_DATA8__ESDHC3_DAT0, MX53_PAD_PATA_DATA9__ESDHC3_DAT1, @@ -163,7 +169,7 @@ static iomux_v3_cfg_t mx53_loco_pads[] = { MX53_PAD_GPIO_7__SPDIF_PLOCK, MX53_PAD_GPIO_17__SPDIF_OUT1, /* GPIO */ - MX53_PAD_PATA_DA_1__GPIO7_7, + MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */ MX53_PAD_PATA_DA_2__GPIO7_8, MX53_PAD_PATA_DATA5__GPIO2_5, MX53_PAD_PATA_DATA6__GPIO2_6, @@ -202,6 +208,19 @@ static const struct gpio_keys_platform_data loco_button_data __initconst = { .nbuttons = ARRAY_SIZE(loco_buttons), }; +static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = { + .cd_gpio = LOCO_SD1_CD, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_NONE, +}; + +static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = { + .cd_gpio = LOCO_SD3_CD, + .wp_gpio = LOCO_SD3_WP, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_GPIO, +}; + static inline void mx53_loco_fec_reset(void) { int ret; @@ -225,8 +244,23 @@ static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = { .bitrate = 100000, }; +static const struct gpio_led mx53loco_leds[] __initconst = { + { + .name = "green", + .default_trigger = "heartbeat", + .gpio = LOCO_LED, + }, +}; + +static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { + .leds = mx53loco_leds, + .num_leds = ARRAY_SIZE(mx53loco_leds), +}; + static void __init mx53_loco_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, ARRAY_SIZE(mx53_loco_pads)); imx53_add_imx_uart(0, NULL); @@ -235,9 +269,10 @@ static void __init mx53_loco_board_init(void) imx53_add_imx2_wdt(0, NULL); imx53_add_imx_i2c(0, &mx53_loco_i2c_data); imx53_add_imx_i2c(1, &mx53_loco_i2c_data); - imx53_add_sdhci_esdhc_imx(0, NULL); - imx53_add_sdhci_esdhc_imx(2, NULL); + imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data); + imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); imx_add_gpio_keys(&loco_button_data); + gpio_led_register_device(-1, &mx53loco_leds_data); } static void __init mx53_loco_timer_init(void) diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c index 817c089..bc02894 100644 --- a/arch/arm/mach-mx5/board-mx53_smd.c +++ b/arch/arm/mach-mx5/board-mx53_smd.c @@ -113,6 +113,8 @@ static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = { static void __init mx53_smd_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads, ARRAY_SIZE(mx53_smd_pads)); mx53_smd_init_uart(); diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index 0856482..f7bf996 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -1258,12 +1258,20 @@ DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, &ipg_clk, &aips_tz1_clk); DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET, NULL, NULL, &ipg_clk, &spba_clk); +DEFINE_CLOCK(uart4_ipg_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG4_OFFSET, + NULL, NULL, &ipg_clk, &spba_clk); +DEFINE_CLOCK(uart5_ipg_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG6_OFFSET, + NULL, NULL, &ipg_clk, &spba_clk); DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET, NULL, NULL, &uart_root_clk, &uart1_ipg_clk); DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET, NULL, NULL, &uart_root_clk, &uart2_ipg_clk); DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET, NULL, NULL, &uart_root_clk, &uart3_ipg_clk); +DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG5_OFFSET, + NULL, NULL, &uart_root_clk, &uart4_ipg_clk); +DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG7_OFFSET, + NULL, NULL, &uart_root_clk, &uart5_ipg_clk); /* GPT */ DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, @@ -1278,11 +1286,13 @@ DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET, /* I2C */ DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG10_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(i2c3_mx53_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, + NULL, NULL, &ipg_perclk, NULL); /* FEC */ DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, @@ -1416,11 +1426,13 @@ DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET, }, static struct clk_lookup mx51_lookups[] = { - _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) - _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) - _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) + /* i.mx51 has the i.mx21 type uart */ + _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) + _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) + _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) _REGISTER_CLOCK(NULL, "gpt", gpt_clk) - _REGISTER_CLOCK("fec.0", NULL, fec_clk) + /* i.mx51 has the i.mx27 type fec */ + _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk) _REGISTER_CLOCK("mxc_pwm.0", "pwm", pwm1_clk) _REGISTER_CLOCK("mxc_pwm.1", "pwm", pwm2_clk) _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) @@ -1440,17 +1452,19 @@ static struct clk_lookup mx51_lookups[] = { _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) - _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk) + /* i.mx51 has the i.mx35 type sdma */ + _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) _REGISTER_CLOCK(NULL, "ckih", ckih_clk) _REGISTER_CLOCK(NULL, "ckih2", ckih2_clk) _REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk) _REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk) _REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk) - _REGISTER_CLOCK("imx51-cspi.0", NULL, cspi_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_clk) + /* i.mx51 has the i.mx35 type cspi */ + _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk) _REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk) _REGISTER_CLOCK(NULL, "iim_clk", iim_clk) _REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk) @@ -1463,23 +1477,36 @@ static struct clk_lookup mx51_lookups[] = { }; static struct clk_lookup mx53_lookups[] = { - _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) - _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) - _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) + /* i.mx53 has the i.mx21 type uart */ + _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) + _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) + _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) + _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk) + _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk) _REGISTER_CLOCK(NULL, "gpt", gpt_clk) - _REGISTER_CLOCK("fec.0", NULL, fec_clk) + /* i.mx53 has the i.mx25 type fec */ + _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk) _REGISTER_CLOCK(NULL, "iim_clk", iim_clk) _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_mx53_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_mx53_clk) - _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_mx53_clk) - _REGISTER_CLOCK("imx53-ecspi.0", NULL, ecspi1_clk) - _REGISTER_CLOCK("imx53-ecspi.1", NULL, ecspi2_clk) - _REGISTER_CLOCK("imx53-cspi.0", NULL, cspi_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk) + /* i.mx53 has the i.mx51 type ecspi */ + _REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk) + _REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk) + /* i.mx53 has the i.mx25 type cspi */ + _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk) _REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk) _REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk) + /* i.mx53 has the i.mx35 type sdma */ + _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) + _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) + _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) + _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) + _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk) }; static void clk_tree_init(void) diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h index 87c0c58..5e11ba7 100644 --- a/arch/arm/mach-mx5/crm_regs.h +++ b/arch/arm/mach-mx5/crm_regs.h @@ -114,6 +114,8 @@ #define MXC_CCM_CCGR4 (MX51_CCM_BASE + 0x78) #define MXC_CCM_CCGR5 (MX51_CCM_BASE + 0x7C) #define MXC_CCM_CCGR6 (MX51_CCM_BASE + 0x80) +#define MXC_CCM_CCGR7 (MX51_CCM_BASE + 0x84) + #define MXC_CCM_CMEOR (MX51_CCM_BASE + 0x84) /* Define the bits in register CCR */ diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h index 48f4c8c..c27fe8b 100644 --- a/arch/arm/mach-mx5/devices-imx53.h +++ b/arch/arm/mach-mx5/devices-imx53.h @@ -32,3 +32,11 @@ extern const struct imx_spi_imx_data imx53_ecspi_data[]; extern const struct imx_imx2_wdt_data imx53_imx2_wdt_data[]; #define imx53_add_imx2_wdt(id, pdata) \ imx_add_imx2_wdt(&imx53_imx2_wdt_data[id]) + +extern const struct imx_imx_ssi_data imx53_imx_ssi_data[]; +#define imx53_add_imx_ssi(id, pdata) \ + imx_add_imx_ssi(&imx53_imx_ssi_data[id], pdata) + +extern const struct imx_imx_keypad_data imx53_imx_keypad_data; +#define imx53_add_imx_keypad(pdata) \ + imx_add_imx_keypad(&imx53_imx_keypad_data, pdata) diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index 153ada5..371ca8c 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -12,7 +12,6 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/gpio.h> #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/irqs.h> @@ -119,66 +118,3 @@ struct platform_device mxc_usbh2_device = { .coherent_dma_mask = DMA_BIT_MASK(32), }, }; - -static struct mxc_gpio_port mxc_gpio_ports[] = { - { - .chip.label = "gpio-0", - .base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO1_LOW, - .irq_high = MX51_MXC_INT_GPIO1_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START - }, - { - .chip.label = "gpio-1", - .base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO2_LOW, - .irq_high = MX51_MXC_INT_GPIO2_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1 - }, - { - .chip.label = "gpio-2", - .base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO3_LOW, - .irq_high = MX51_MXC_INT_GPIO3_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2 - }, - { - .chip.label = "gpio-3", - .base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO4_LOW, - .irq_high = MX51_MXC_INT_GPIO4_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3 - }, - { - .chip.label = "gpio-4", - .base = MX53_IO_ADDRESS(MX53_GPIO5_BASE_ADDR), - .irq = MX53_INT_GPIO5_LOW, - .irq_high = MX53_INT_GPIO5_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 4 - }, - { - .chip.label = "gpio-5", - .base = MX53_IO_ADDRESS(MX53_GPIO6_BASE_ADDR), - .irq = MX53_INT_GPIO6_LOW, - .irq_high = MX53_INT_GPIO6_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 5 - }, - { - .chip.label = "gpio-6", - .base = MX53_IO_ADDRESS(MX53_GPIO7_BASE_ADDR), - .irq = MX53_INT_GPIO7_LOW, - .irq_high = MX53_INT_GPIO7_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 6 - }, -}; - -int __init imx51_register_gpios(void) -{ - return mxc_gpio_init(mxc_gpio_ports, 4); -} - -int __init imx53_register_gpios(void) -{ - return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports)); -} - diff --git a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c index 97292d2..bbf4564 100644 --- a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c +++ b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c @@ -31,13 +31,12 @@ #include "devices.h" #define MBIMX51_TSC2007_GPIO IMX_GPIO_NR(3, 30) -#define MBIMX51_TSC2007_IRQ (MXC_INTERNAL_IRQS + MBIMX51_TSC2007_GPIO) #define MBIMX51_LED0 IMX_GPIO_NR(3, 5) #define MBIMX51_LED1 IMX_GPIO_NR(3, 6) #define MBIMX51_LED2 IMX_GPIO_NR(3, 7) #define MBIMX51_LED3 IMX_GPIO_NR(3, 8) -static struct gpio_led mbimx51_leds[] = { +static const struct gpio_led mbimx51_leds[] __initconst = { { .name = "led0", .default_trigger = "heartbeat", @@ -64,23 +63,11 @@ static struct gpio_led mbimx51_leds[] = { }, }; -static struct gpio_led_platform_data mbimx51_leds_info = { +static const struct gpio_led_platform_data mbimx51_leds_info __initconst = { .leds = mbimx51_leds, .num_leds = ARRAY_SIZE(mbimx51_leds), }; -static struct platform_device mbimx51_leds_gpio = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &mbimx51_leds_info, - }, -}; - -static struct platform_device *devices[] __initdata = { - &mbimx51_leds_gpio, -}; - static iomux_v3_cfg_t mbimx51_pads[] = { /* UART2 */ MX51_PAD_UART2_RXD__UART2_RXD, @@ -173,7 +160,7 @@ struct tsc2007_platform_data tsc2007_data = { static struct i2c_board_info mbimx51_i2c_devices[] = { { I2C_BOARD_INFO("tsc2007", 0x49), - .irq = MBIMX51_TSC2007_IRQ, + .irq = gpio_to_irq(MBIMX51_TSC2007_GPIO), .platform_data = &tsc2007_data, }, { I2C_BOARD_INFO("tlv320aic23", 0x1a), @@ -204,13 +191,14 @@ void __init eukrea_mbimx51_baseboard_init(void) gpio_direction_output(MBIMX51_LED3, 1); gpio_free(MBIMX51_LED3); - platform_add_devices(devices, ARRAY_SIZE(devices)); + gpio_led_register_device(-1, &mbimx51_leds_info); imx51_add_imx_keypad(&mbimx51_map_data); gpio_request(MBIMX51_TSC2007_GPIO, "tsc2007_irq"); gpio_direction_input(MBIMX51_TSC2007_GPIO); - irq_set_irq_type(MBIMX51_TSC2007_IRQ, IRQF_TRIGGER_FALLING); + irq_set_irq_type(gpio_to_irq(MBIMX51_TSC2007_GPIO), + IRQF_TRIGGER_FALLING); i2c_register_board_info(1, mbimx51_i2c_devices, ARRAY_SIZE(mbimx51_i2c_devices)); diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c index 31c871e..2619239 100644 --- a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c +++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c @@ -74,7 +74,7 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { #define GPIO_LED1 IMX_GPIO_NR(3, 30) #define GPIO_SWITCH1 IMX_GPIO_NR(3, 31) -static struct gpio_led eukrea_mbimxsd_leds[] = { +static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = { { .name = "led1", .default_trigger = "heartbeat", @@ -83,19 +83,12 @@ static struct gpio_led eukrea_mbimxsd_leds[] = { }, }; -static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { +static const struct gpio_led_platform_data + eukrea_mbimxsd_led_info __initconst = { .leds = eukrea_mbimxsd_leds, .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), }; -static struct platform_device eukrea_mbimxsd_leds_gpio = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &eukrea_mbimxsd_led_info, - }, -}; - static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { { .gpio = GPIO_SWITCH1, @@ -112,10 +105,6 @@ static const struct gpio_keys_platform_data .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), }; -static struct platform_device *platform_devices[] __initdata = { - &eukrea_mbimxsd_leds_gpio, -}; - static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; @@ -154,6 +143,6 @@ void __init eukrea_mbimxsd51_baseboard_init(void) i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + gpio_led_register_device(-1, &eukrea_mbimxsd_led_info); imx_add_gpio_keys(&eukrea_mbimxsd_button_data); } diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c index b9c363b..77e374c 100644 --- a/arch/arm/mach-mx5/mm-mx50.c +++ b/arch/arm/mach-mx5/mm-mx50.c @@ -26,7 +26,6 @@ #include <mach/hardware.h> #include <mach/common.h> #include <mach/iomux-v3.h> -#include <mach/gpio.h> #include <mach/irqs.h> /* @@ -56,17 +55,18 @@ void __init imx50_init_early(void) mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR)); } -static struct mxc_gpio_port imx50_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 0, 1, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 1, 2, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 2, 3, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 3, 4, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 4, 5, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 5, 6, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), -}; - void __init mx50_init_irq(void) { tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR)); - mxc_gpio_init(imx50_gpio_ports, ARRAY_SIZE(imx50_gpio_ports)); +} + +void __init imx50_soc_init(void) +{ + /* i.mx50 has the i.mx31 type gpio */ + mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); + mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); + mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); + mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); + mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); + mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); } diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index ff55730..baea6e5 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -18,6 +18,7 @@ #include <mach/hardware.h> #include <mach/common.h> +#include <mach/devices-common.h> #include <mach/iomux-v3.h> /* @@ -69,8 +70,6 @@ void __init imx53_init_early(void) mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR)); } -int imx51_register_gpios(void); - void __init mx51_init_irq(void) { unsigned long tzic_addr; @@ -86,11 +85,8 @@ void __init mx51_init_irq(void) panic("unable to map TZIC interrupt controller\n"); tzic_init_irq(tzic_virt); - imx51_register_gpios(); } -int imx53_register_gpios(void); - void __init mx53_init_irq(void) { unsigned long tzic_addr; @@ -103,5 +99,68 @@ void __init mx53_init_irq(void) panic("unable to map TZIC interrupt controller\n"); tzic_init_irq(tzic_virt); - imx53_register_gpios(); +} + +static struct sdma_script_start_addrs imx51_sdma_script __initdata = { + .ap_2_ap_addr = 642, + .uart_2_mcu_addr = 817, + .mcu_2_app_addr = 747, + .mcu_2_shp_addr = 961, + .ata_2_mcu_addr = 1473, + .mcu_2_ata_addr = 1392, + .app_2_per_addr = 1033, + .app_2_mcu_addr = 683, + .shp_2_per_addr = 1251, + .shp_2_mcu_addr = 892, +}; + +static struct sdma_platform_data imx51_sdma_pdata __initdata = { + .fw_name = "sdma-imx51.bin", + .script_addrs = &imx51_sdma_script, +}; + +static struct sdma_script_start_addrs imx53_sdma_script __initdata = { + .ap_2_ap_addr = 642, + .app_2_mcu_addr = 683, + .mcu_2_app_addr = 747, + .uart_2_mcu_addr = 817, + .shp_2_mcu_addr = 891, + .mcu_2_shp_addr = 960, + .uartsh_2_mcu_addr = 1032, + .spdif_2_mcu_addr = 1100, + .mcu_2_spdif_addr = 1134, + .firi_2_mcu_addr = 1193, + .mcu_2_firi_addr = 1290, +}; + +static struct sdma_platform_data imx53_sdma_pdata __initdata = { + .fw_name = "sdma-imx53.bin", + .script_addrs = &imx53_sdma_script, +}; + +void __init imx51_soc_init(void) +{ + /* i.mx51 has the i.mx31 type gpio */ + mxc_register_gpio("imx31-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); + mxc_register_gpio("imx31-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); + mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); + mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); + + /* i.mx51 has the i.mx35 type sdma */ + imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata); +} + +void __init imx53_soc_init(void) +{ + /* i.mx53 has the i.mx31 type gpio */ + mxc_register_gpio("imx31-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); + mxc_register_gpio("imx31-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); + mxc_register_gpio("imx31-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); + mxc_register_gpio("imx31-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); + mxc_register_gpio("imx31-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); + mxc_register_gpio("imx31-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); + mxc_register_gpio("imx31-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); + + /* i.mx53 has the i.mx35 type sdma */ + imx_add_imx_sdma("imx35-sdma", MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata); } diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c index 1105ef3..c920945 100644 --- a/arch/arm/mach-mx5/mx51_efika.c +++ b/arch/arm/mach-mx5/mx51_efika.c @@ -260,8 +260,8 @@ static struct regulator_consumer_supply vvideo_consumers[] = { }; static struct regulator_consumer_supply vsd_consumers[] = { - REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.0"), - REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.1"), + REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.0"), + REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.1"), }; static struct regulator_consumer_supply pwgt1_consumer[] = { diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c new file mode 100644 index 0000000..e4529af --- /dev/null +++ b/arch/arm/mach-mx5/pm-imx5.c @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#include <linux/suspend.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/err.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> +#include <mach/system.h> +#include "crm_regs.h" + +static struct clk *gpc_dvfs_clk; + +static int mx5_suspend_enter(suspend_state_t state) +{ + clk_enable(gpc_dvfs_clk); + switch (state) { + case PM_SUSPEND_MEM: + mx5_cpu_lp_set(STOP_POWER_OFF); + break; + case PM_SUSPEND_STANDBY: + mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + break; + default: + return -EINVAL; + } + + if (state == PM_SUSPEND_MEM) { + local_flush_tlb_all(); + flush_cache_all(); + + /*clear the EMPGC0/1 bits */ + __raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR); + __raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR); + } + cpu_do_idle(); + clk_disable(gpc_dvfs_clk); + + return 0; +} + +static int mx5_pm_valid(suspend_state_t state) +{ + return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX); +} + +static const struct platform_suspend_ops mx5_suspend_ops = { + .valid = mx5_pm_valid, + .enter = mx5_suspend_enter, +}; + +static int __init mx5_pm_init(void) +{ + if (gpc_dvfs_clk == NULL) + gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs"); + + if (!IS_ERR(gpc_dvfs_clk)) { + if (cpu_is_mx51()) + suspend_set_ops(&mx5_suspend_ops); + } else + return -EPERM; + + return 0; +} +device_initcall(mx5_pm_init); |