diff options
Diffstat (limited to 'arch/arm/mach-mx5')
| -rw-r--r-- | arch/arm/mach-mx5/Kconfig | 21 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_ard.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_evk.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_loco.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_smd.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/clock-mx51-mx53.c | 39 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/imx51-dt.c | 116 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/imx53-dt.c | 126 |
10 files changed, 341 insertions, 12 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 3d4c31306ca..af0c212e3c7 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -56,6 +56,15 @@ config MACH_MX50_RDP comment "i.MX51 machines:" +config MACH_IMX51_DT + bool "Support i.MX51 platforms from device tree" + select SOC_IMX51 + select USE_OF + select MACH_MX51_BABBAGE + help + Include support for Freescale i.MX51 based platforms + using the device tree for discovery + config MACH_MX51_BABBAGE bool "Support MX51 BABBAGE platforms" select SOC_IMX51 @@ -171,6 +180,18 @@ config MACH_MX51_EFIKASB comment "i.MX53 machines:" +config MACH_IMX53_DT + bool "Support i.MX53 platforms from device tree" + select SOC_IMX53 + select USE_OF + select MACH_MX53_ARD + select MACH_MX53_EVK + select MACH_MX53_LOCO + select MACH_MX53_SMD + help + Include support for Freescale i.MX53 based platforms + using the device tree for discovery + config MACH_MX53_EVK bool "Support MX53 EVK platforms" select SOC_IMX53 diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 9565304b728..0fc60807fa2 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -21,3 +21,6 @@ obj-$(CONFIG_MX51_EFIKA_COMMON) += mx51_efika.o obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o obj-$(CONFIG_MACH_MX51_EFIKASB) += board-mx51_efikasb.o obj-$(CONFIG_MACH_MX50_RDP) += board-mx50_rdp.o + +obj-$(CONFIG_MACH_IMX51_DT) += imx51-dt.o +obj-$(CONFIG_MACH_IMX53_DT) += imx53-dt.o diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 5993208a8f0..5c837603ff0 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -349,6 +349,12 @@ static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = { .wp_type = ESDHC_WP_GPIO, }; +void __init imx51_babbage_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, + ARRAY_SIZE(mx51babbage_pads)); +} + /* * Board specific initialization. */ @@ -363,8 +369,7 @@ static void __init mx51_babbage_init(void) #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx51_get_cpu_op; #endif - mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, - ARRAY_SIZE(mx51babbage_pads)); + imx51_babbage_common_init(); imx51_add_imx_uart(0, &uart_pdata); imx51_add_imx_uart(1, NULL); diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c index 614edcb0aa7..0d7f0fffb23 100644 --- a/arch/arm/mach-mx5/board-mx53_ard.c +++ b/arch/arm/mach-mx5/board-mx53_ard.c @@ -171,9 +171,6 @@ static struct imxi2c_platform_data mx53_ard_i2c3_data = { 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); @@ -216,6 +213,13 @@ static int weim_cs_config(void) return 0; } +void __init imx53_ard_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads, + ARRAY_SIZE(mx53_ard_pads)); + weim_cs_config(); +} + static struct platform_device *devices[] __initdata = { &ard_smsc_lan9220_device, }; @@ -225,8 +229,8 @@ static void __init mx53_ard_board_init(void) imx53_soc_init(); imx53_add_imx_uart(0, NULL); + imx53_ard_common_init(); mx53_ard_io_init(); - weim_cs_config(); platform_add_devices(devices, ARRAY_SIZE(devices)); imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data); diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index 6a3e6168e32..6bea31ab8f8 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -131,12 +131,17 @@ static const struct spi_imx_master mx53_evk_spi_data __initconst = { .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs), }; +void __init imx53_evk_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, + ARRAY_SIZE(mx53_evk_pads)); +} + static void __init mx53_evk_board_init(void) { imx53_soc_init(); + imx53_evk_common_init(); - mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, - ARRAY_SIZE(mx53_evk_pads)); mx53_evk_init_uart(); mx53_evk_fec_reset(); imx53_add_fec(&mx53_evk_fec_pdata); diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 0af2766f861..7678f7734db 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -263,6 +263,12 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { .num_leds = ARRAY_SIZE(mx53loco_leds), }; +void __init imx53_qsb_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, + ARRAY_SIZE(mx53_loco_pads)); +} + static struct i2c_board_info mx53loco_i2c_devices[] = { { I2C_BOARD_INFO("mma8450", 0x1C), @@ -273,9 +279,8 @@ static void __init mx53_loco_board_init(void) { int ret; imx53_soc_init(); + imx53_qsb_common_init(); - mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, - ARRAY_SIZE(mx53_loco_pads)); imx53_add_imx_uart(0, NULL); mx53_loco_fec_reset(); imx53_add_fec(&mx53_loco_fec_data); diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c index d12fd3043ba..59c0845eb4a 100644 --- a/arch/arm/mach-mx5/board-mx53_smd.c +++ b/arch/arm/mach-mx5/board-mx53_smd.c @@ -125,12 +125,17 @@ static inline void mx53_smd_ahci_pwr_on(void) } } +void __init imx53_smd_common_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads, + ARRAY_SIZE(mx53_smd_pads)); +} + static void __init mx53_smd_board_init(void) { imx53_soc_init(); + imx53_smd_common_init(); - mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads, - ARRAY_SIZE(mx53_smd_pads)); mx53_smd_init_uart(); mx53_smd_fec_reset(); imx53_add_fec(&mx53_smd_fec_data); diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index b94879e8679..2aacf41c48e 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -15,6 +15,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/clkdev.h> +#include <linux/of.h> #include <asm/div64.h> @@ -1632,3 +1633,41 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, MX53_INT_GPT); return 0; } + +static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc, + unsigned long *ckih1, unsigned long *ckih2) +{ + struct device_node *np; + + /* retrieve the freqency of fixed clocks from device tree */ + for_each_compatible_node(np, NULL, "fixed-clock") { + u32 rate; + if (of_property_read_u32(np, "clock-frequency", &rate)) + continue; + + if (of_device_is_compatible(np, "fsl,imx-ckil")) + *ckil = rate; + else if (of_device_is_compatible(np, "fsl,imx-osc")) + *osc = rate; + else if (of_device_is_compatible(np, "fsl,imx-ckih1")) + *ckih1 = rate; + else if (of_device_is_compatible(np, "fsl,imx-ckih2")) + *ckih2 = rate; + } +} + +int __init mx51_clocks_init_dt(void) +{ + unsigned long ckil, osc, ckih1, ckih2; + + clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); + return mx51_clocks_init(ckil, osc, ckih1, ckih2); +} + +int __init mx53_clocks_init_dt(void) +{ + unsigned long ckil, osc, ckih1, ckih2; + + clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); + return mx53_clocks_init(ckil, osc, ckih1, ckih2); +} diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c new file mode 100644 index 00000000000..ccc61585659 --- /dev/null +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -0,0 +1,116 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2011 Linaro Ltd. + * + * 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/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/mx51.h> + +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + */ +static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART1_BASE_ADDR, "imx21-uart.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART2_BASE_ADDR, "imx21-uart.1", NULL), + OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART3_BASE_ADDR, "imx21-uart.2", NULL), + OF_DEV_AUXDATA("fsl,imx51-fec", MX51_FEC_BASE_ADDR, "imx27-fec.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx51.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx51.1", NULL), + OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx51.2", NULL), + OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx51.3", NULL), + OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL), + OF_DEV_AUXDATA("fsl,imx51-cspi", MX51_CSPI_BASE_ADDR, "imx35-cspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C1_BASE_ADDR, "imx-i2c.0", NULL), + OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C2_BASE_ADDR, "imx-i2c.1", NULL), + OF_DEV_AUXDATA("fsl,imx51-sdma", MX51_SDMA_BASE_ADDR, "imx35-sdma", NULL), + OF_DEV_AUXDATA("fsl,imx51-wdt", MX51_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL), + { /* sentinel */ } +}; + +static void __init imx51_tzic_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + irq_domain_add_simple(np, 0); +} + +static void __init imx51_gpio_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - + 32 * 4; /* imx51 gets 4 gpio ports */ + + irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base += 32; +} + +static const struct of_device_id imx51_irq_match[] __initconst = { + { .compatible = "fsl,imx51-tzic", .data = imx51_tzic_add_irq_domain, }, + { .compatible = "fsl,imx51-gpio", .data = imx51_gpio_add_irq_domain, }, + { /* sentinel */ } +}; + +static const struct of_device_id imx51_iomuxc_of_match[] __initconst = { + { .compatible = "fsl,imx51-iomuxc-babbage", .data = imx51_babbage_common_init, }, + { /* sentinel */ } +}; + +static void __init imx51_dt_init(void) +{ + struct device_node *node; + const struct of_device_id *of_id; + void (*func)(void); + + of_irq_init(imx51_irq_match); + + node = of_find_matching_node(NULL, imx51_iomuxc_of_match); + if (node) { + of_id = of_match_node(imx51_iomuxc_of_match, node); + func = of_id->data; + func(); + of_node_put(node); + } + + of_platform_populate(NULL, of_default_bus_match_table, + imx51_auxdata_lookup, NULL); +} + +static void __init imx51_timer_init(void) +{ + mx51_clocks_init_dt(); +} + +static struct sys_timer imx51_timer = { + .init = imx51_timer_init, +}; + +static const char *imx51_dt_board_compat[] __initdata = { + "fsl,imx51-babbage", + NULL +}; + +DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)") + .map_io = mx51_map_io, + .init_early = imx51_init_early, + .init_irq = mx51_init_irq, + .handle_irq = imx51_handle_irq, + .timer = &imx51_timer, + .init_machine = imx51_dt_init, + .dt_compat = imx51_dt_board_compat, +MACHINE_END diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c new file mode 100644 index 00000000000..ccaa0b81b76 --- /dev/null +++ b/arch/arm/mach-mx5/imx53-dt.c @@ -0,0 +1,126 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2011 Linaro Ltd. + * + * 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/io.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/mx53.h> + +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + */ +static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL), + OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL), + OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL), + OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL), + { /* sentinel */ } +}; + +static void __init imx53_tzic_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + irq_domain_add_simple(np, 0); +} + +static void __init imx53_gpio_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - + 32 * 7; /* imx53 gets 7 gpio ports */ + + irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base += 32; +} + +static const struct of_device_id imx53_irq_match[] __initconst = { + { .compatible = "fsl,imx53-tzic", .data = imx53_tzic_add_irq_domain, }, + { .compatible = "fsl,imx53-gpio", .data = imx53_gpio_add_irq_domain, }, + { /* sentinel */ } +}; + +static const struct of_device_id imx53_iomuxc_of_match[] __initconst = { + { .compatible = "fsl,imx53-iomuxc-ard", .data = imx53_ard_common_init, }, + { .compatible = "fsl,imx53-iomuxc-evk", .data = imx53_evk_common_init, }, + { .compatible = "fsl,imx53-iomuxc-qsb", .data = imx53_qsb_common_init, }, + { .compatible = "fsl,imx53-iomuxc-smd", .data = imx53_smd_common_init, }, + { /* sentinel */ } +}; + +static void __init imx53_dt_init(void) +{ + struct device_node *node; + const struct of_device_id *of_id; + void (*func)(void); + + of_irq_init(imx53_irq_match); + + node = of_find_matching_node(NULL, imx53_iomuxc_of_match); + if (node) { + of_id = of_match_node(imx53_iomuxc_of_match, node); + func = of_id->data; + func(); + of_node_put(node); + } + + of_platform_populate(NULL, of_default_bus_match_table, + imx53_auxdata_lookup, NULL); +} + +static void __init imx53_timer_init(void) +{ + mx53_clocks_init_dt(); +} + +static struct sys_timer imx53_timer = { + .init = imx53_timer_init, +}; + +static const char *imx53_dt_board_compat[] __initdata = { + "fsl,imx53-ard", + "fsl,imx53-evk", + "fsl,imx53-qsb", + "fsl,imx53-smd", + NULL +}; + +DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)") + .map_io = mx53_map_io, + .init_early = imx53_init_early, + .init_irq = mx53_init_irq, + .handle_irq = imx53_handle_irq, + .timer = &imx53_timer, + .init_machine = imx53_dt_init, + .dt_compat = imx53_dt_board_compat, +MACHINE_END |