diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 485 |
1 files changed, 357 insertions, 128 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index b603bc5f8e5..b6f8f348296 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -8,211 +8,440 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - -#include <linux/module.h> +#include <linux/gpio.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/pinctrl/machine.h> +#include <linux/platform_data/mailbox-omap.h> -#include <asm/hardware.h> -#include <asm/io.h> #include <asm/mach-types.h> #include <asm/mach/map.h> -#include <asm/arch/tc.h> -#include <asm/arch/board.h> -#include <asm/arch/mux.h> -#include <asm/arch/gpio.h> +#include <linux/omap-dma.h> -#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) +#include "iomap.h" +#include "omap_hwmod.h" +#include "omap_device.h" -#define OMAP2_I2C_BASE2 0x48072000 -#define OMAP2_I2C_INT2 57 +#include "soc.h" +#include "common.h" +#include "mux.h" +#include "control.h" +#include "devices.h" +#include "display.h" -static struct resource i2c_resources2[] = { - { - .start = OMAP2_I2C_BASE2, - .end = OMAP2_I2C_BASE2 + 0x3f, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP2_I2C_INT2, - .flags = IORESOURCE_IRQ, - }, -}; +#define L3_MODULES_MAX_LEN 12 +#define L3_MODULES 3 -static struct platform_device omap_i2c_device2 = { - .name = "i2c_omap", - .id = 2, - .num_resources = ARRAY_SIZE(i2c_resources2), - .resource = i2c_resources2, -}; +static int __init omap3_l3_init(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + char oh_name[L3_MODULES_MAX_LEN]; -/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */ -static void omap_init_i2c(void) + /* + * To avoid code running on other OMAPs in + * multi-omap builds + */ + if (!(cpu_is_omap34xx())) + return -ENODEV; + + snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); + + oh = omap_hwmod_lookup(oh_name); + + if (!oh) + pr_err("could not look up %s\n", oh_name); + + pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); + + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); + + return PTR_RET(pdev); +} +omap_postcore_initcall(omap3_l3_init); + +static int __init omap4_l3_init(void) { - /* REVISIT: Second I2C not in use on H4? */ - if (machine_is_omap_h4()) - return; + int i; + struct omap_hwmod *oh[3]; + struct platform_device *pdev; + char oh_name[L3_MODULES_MAX_LEN]; + + /* If dtb is there, the devices will be created dynamically */ + if (of_have_populated_dt()) + return -ENODEV; + + /* + * To avoid code running on other OMAPs in + * multi-omap builds + */ + if (!cpu_is_omap44xx() && !soc_is_omap54xx()) + return -ENODEV; - if (!cpu_is_omap2430()) { - omap_cfg_reg(J15_24XX_I2C2_SCL); - omap_cfg_reg(H19_24XX_I2C2_SDA); + for (i = 0; i < L3_MODULES; i++) { + snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1); + + oh[i] = omap_hwmod_lookup(oh_name); + if (!(oh[i])) + pr_err("could not look up %s\n", oh_name); } - (void) platform_device_register(&omap_i2c_device2); -} -#else + pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0); -static void omap_init_i2c(void) {} + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); -#endif + return PTR_RET(pdev); +} +omap_postcore_initcall(omap4_l3_init); -#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) -#define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE) +#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) -static struct resource mbox_resources[] = { +static struct resource omap2cam_resources[] = { { - .start = OMAP2_MBOX_BASE, - .end = OMAP2_MBOX_BASE + 0x11f, + .start = OMAP24XX_CAMERA_BASE, + .end = OMAP24XX_CAMERA_BASE + 0xfff, .flags = IORESOURCE_MEM, }, { - .start = INT_24XX_MAIL_U0_MPU, + .start = 24 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, - }, - { - .start = INT_24XX_MAIL_U3_MPU, - .flags = IORESOURCE_IRQ, - }, + } }; -static struct platform_device mbox_device = { - .name = "mailbox", +static struct platform_device omap2cam_device = { + .name = "omap24xxcam", .id = -1, - .num_resources = ARRAY_SIZE(mbox_resources), - .resource = mbox_resources, + .num_resources = ARRAY_SIZE(omap2cam_resources), + .resource = omap2cam_resources, }; - -static inline void omap_init_mbox(void) -{ - platform_device_register(&mbox_device); -} -#else -static inline void omap_init_mbox(void) { } #endif -#if defined(CONFIG_OMAP_STI) +#if defined(CONFIG_IOMMU_API) -#define OMAP2_STI_BASE IO_ADDRESS(0x48068000) -#define OMAP2_STI_CHANNEL_BASE 0x54000000 -#define OMAP2_STI_IRQ 4 +#include <linux/platform_data/iommu-omap.h> -static struct resource sti_resources[] = { +static struct resource omap3isp_resources[] = { + { + .start = OMAP3430_ISP_BASE, + .end = OMAP3430_ISP_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_CCP2_BASE, + .end = OMAP3430_ISP_CCP2_END, + .flags = IORESOURCE_MEM, + }, { - .start = OMAP2_STI_BASE, - .end = OMAP2_STI_BASE + 0x7ff, + .start = OMAP3430_ISP_CCDC_BASE, + .end = OMAP3430_ISP_CCDC_END, .flags = IORESOURCE_MEM, }, { - .start = OMAP2_STI_CHANNEL_BASE, - .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, + .start = OMAP3430_ISP_HIST_BASE, + .end = OMAP3430_ISP_HIST_END, .flags = IORESOURCE_MEM, }, { - .start = OMAP2_STI_IRQ, + .start = OMAP3430_ISP_H3A_BASE, + .end = OMAP3430_ISP_H3A_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_PREV_BASE, + .end = OMAP3430_ISP_PREV_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_RESZ_BASE, + .end = OMAP3430_ISP_RESZ_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_SBL_BASE, + .end = OMAP3430_ISP_SBL_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_CSI2A_REGS1_BASE, + .end = OMAP3430_ISP_CSI2A_REGS1_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_CSIPHY2_BASE, + .end = OMAP3430_ISP_CSIPHY2_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3630_ISP_CSI2A_REGS2_BASE, + .end = OMAP3630_ISP_CSI2A_REGS2_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3630_ISP_CSI2C_REGS1_BASE, + .end = OMAP3630_ISP_CSI2C_REGS1_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3630_ISP_CSIPHY1_BASE, + .end = OMAP3630_ISP_CSIPHY1_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3630_ISP_CSI2C_REGS2_BASE, + .end = OMAP3630_ISP_CSI2C_REGS2_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE, + .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL, + .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3, + .flags = IORESOURCE_MEM, + }, + { + .start = 24 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, } }; -static struct platform_device sti_device = { - .name = "sti", +static struct platform_device omap3isp_device = { + .name = "omap3isp", .id = -1, - .num_resources = ARRAY_SIZE(sti_resources), - .resource = sti_resources, + .num_resources = ARRAY_SIZE(omap3isp_resources), + .resource = omap3isp_resources, }; -static inline void omap_init_sti(void) +static struct omap_iommu_arch_data omap3_isp_iommu = { + .name = "mmu_isp", +}; + +int omap3_init_camera(struct isp_platform_data *pdata) { - platform_device_register(&sti_device); + if (of_have_populated_dt()) + omap3_isp_iommu.name = "480bd400.mmu"; + + omap3isp_device.dev.platform_data = pdata; + omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; + + return platform_device_register(&omap3isp_device); } -#else -static inline void omap_init_sti(void) {} + +#else /* !CONFIG_IOMMU_API */ + +int omap3_init_camera(struct isp_platform_data *pdata) +{ + return 0; +} + #endif -#if defined(CONFIG_SPI_OMAP24XX) +static inline void omap_init_camera(void) +{ +#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) + if (cpu_is_omap24xx()) + platform_device_register(&omap2cam_device); +#endif +} -#include <asm/arch/mcspi.h> +#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE) +static inline void __init omap_init_mbox(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + struct omap_mbox_pdata *pdata; -#define OMAP2_MCSPI1_BASE 0x48098000 -#define OMAP2_MCSPI2_BASE 0x4809a000 + oh = omap_hwmod_lookup("mailbox"); + if (!oh) { + pr_err("%s: unable to find hwmod\n", __func__); + return; + } + if (!oh->dev_attr) { + pr_err("%s: hwmod doesn't have valid attrs\n", __func__); + return; + } -static struct omap2_mcspi_platform_config omap2_mcspi1_config = { - .num_cs = 4, -}; + pdata = (struct omap_mbox_pdata *)oh->dev_attr; + pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata)); + WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", + __func__, PTR_ERR(pdev)); +} +#else +static inline void omap_init_mbox(void) { } +#endif /* CONFIG_OMAP2PLUS_MBOX */ -static struct resource omap2_mcspi1_resources[] = { - { - .start = OMAP2_MCSPI1_BASE, - .end = OMAP2_MCSPI1_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, -}; +static inline void omap_init_sti(void) {} -struct platform_device omap2_mcspi1 = { - .name = "omap2_mcspi", - .id = 1, - .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), - .resource = omap2_mcspi1_resources, - .dev = { - .platform_data = &omap2_mcspi1_config, - }, -}; +#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) -static struct omap2_mcspi_platform_config omap2_mcspi2_config = { - .num_cs = 2, +static struct platform_device omap_pcm = { + .name = "omap-pcm-audio", + .id = -1, }; -static struct resource omap2_mcspi2_resources[] = { - { - .start = OMAP2_MCSPI2_BASE, - .end = OMAP2_MCSPI2_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, -}; +static void omap_init_audio(void) +{ + platform_device_register(&omap_pcm); +} -struct platform_device omap2_mcspi2 = { - .name = "omap2_mcspi", - .id = 2, - .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), - .resource = omap2_mcspi2_resources, - .dev = { - .platform_data = &omap2_mcspi2_config, - }, -}; +#else +static inline void omap_init_audio(void) {} +#endif + +#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) + +#include <linux/platform_data/spi-omap2-mcspi.h> + +static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) +{ + struct platform_device *pdev; + char *name = "omap2_mcspi"; + struct omap2_mcspi_platform_config *pdata; + static int spi_num; + struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + pr_err("Memory allocation for McSPI device failed\n"); + return -ENOMEM; + } + + pdata->num_cs = mcspi_attrib->num_chipselect; + switch (oh->class->rev) { + case OMAP2_MCSPI_REV: + case OMAP3_MCSPI_REV: + pdata->regs_offset = 0; + break; + case OMAP4_MCSPI_REV: + pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; + break; + default: + pr_err("Invalid McSPI Revision value\n"); + kfree(pdata); + return -EINVAL; + } + + spi_num++; + pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); + WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", + name, oh->name); + kfree(pdata); + return 0; +} static void omap_init_mcspi(void) { - platform_device_register(&omap2_mcspi1); - platform_device_register(&omap2_mcspi2); + omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); } #else static inline void omap_init_mcspi(void) {} #endif +/** + * omap_init_rng - bind the RNG hwmod to the RNG omap_device + * + * Bind the RNG hwmod to the RNG omap_device. No return value. + */ +static void omap_init_rng(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("rng"); + if (!oh) + return; + + pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); +} + +static void __init omap_init_sham(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("sham"); + if (!oh) + return; + + pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); +} + +static void __init omap_init_aes(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("aes"); + if (!oh) + return; + + pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); +} + +/*-------------------------------------------------------------------------*/ + +#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ + defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) +#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) +static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { +}; +#else +static struct resource omap_vout_resource[2] = { +}; +#endif + +static struct platform_device omap_vout_device = { + .name = "omap_vout", + .num_resources = ARRAY_SIZE(omap_vout_resource), + .resource = &omap_vout_resource[0], + .id = -1, +}; + +int __init omap_init_vout(void) +{ + return platform_device_register(&omap_vout_device); +} +#else +int __init omap_init_vout(void) { return 0; } +#endif + /*-------------------------------------------------------------------------*/ static int __init omap2_init_devices(void) { - /* please keep these calls, and their implementations above, + /* Enable dummy states for those platforms without pinctrl support */ + if (!of_have_populated_dt()) + pinctrl_provide_dummies(); + + /* + * please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ - omap_init_i2c(); + omap_init_audio(); + omap_init_camera(); omap_init_mbox(); - omap_init_mcspi(); + /* If dtb is there, the devices will be created dynamically */ + if (!of_have_populated_dt()) { + omap_init_mcspi(); + omap_init_sham(); + omap_init_aes(); + omap_init_rng(); + } omap_init_sti(); return 0; } -arch_initcall(omap2_init_devices); +omap_arch_initcall(omap2_init_devices); |
