diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 668 |
1 files changed, 668 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c new file mode 100644 index 00000000..4269fc14 --- /dev/null +++ b/arch/arm/mach-omap2/devices.c @@ -0,0 +1,668 @@ +/* + * linux/arch/arm/mach-omap2/devices.c + * + * OMAP2 platform device setup/initialization + * + * 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. + */ +#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/omap4-keypad.h> +#include <linux/platform_data/omap_ocp2scp.h> +#include <linux/usb/omap_control_usb.h> + +#include <asm/mach-types.h> +#include <asm/mach/map.h> + +#include <linux/omap-dma.h> + +#include "iomap.h" +#include "omap_hwmod.h" +#include "omap_device.h" +#include "omap4-keypad.h" + +#include "soc.h" +#include "common.h" +#include "mux.h" +#include "control.h" +#include "devices.h" +#include "dma.h" + +#define L3_MODULES_MAX_LEN 12 +#define L3_MODULES 3 + +static int __init omap3_l3_init(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + char oh_name[L3_MODULES_MAX_LEN]; + + /* + * 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 IS_ERR(pdev) ? PTR_ERR(pdev) : 0; +} +omap_postcore_initcall(omap3_l3_init); + +static int __init omap4_l3_init(void) +{ + 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; + + 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); + } + + pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0); + + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); + + return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; +} +omap_postcore_initcall(omap4_l3_init); + +#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) + +static struct resource omap2cam_resources[] = { + { + .start = OMAP24XX_CAMERA_BASE, + .end = OMAP24XX_CAMERA_BASE + 0xfff, + .flags = IORESOURCE_MEM, + }, + { + .start = 24 + OMAP_INTC_START, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device omap2cam_device = { + .name = "omap24xxcam", + .id = -1, + .num_resources = ARRAY_SIZE(omap2cam_resources), + .resource = omap2cam_resources, +}; +#endif + +#if defined(CONFIG_IOMMU_API) + +#include <linux/platform_data/iommu-omap.h> + +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 = OMAP3430_ISP_CCDC_BASE, + .end = OMAP3430_ISP_CCDC_END, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP3430_ISP_HIST_BASE, + .end = OMAP3430_ISP_HIST_END, + .flags = IORESOURCE_MEM, + }, + { + .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 omap3isp_device = { + .name = "omap3isp", + .id = -1, + .num_resources = ARRAY_SIZE(omap3isp_resources), + .resource = omap3isp_resources, +}; + +static struct omap_iommu_arch_data omap3_isp_iommu = { + .name = "mmu_isp", +}; + +int omap3_init_camera(struct isp_platform_data *pdata) +{ + omap3isp_device.dev.platform_data = pdata; + omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; + + return platform_device_register(&omap3isp_device); +} + +#else /* !CONFIG_IOMMU_API */ + +int omap3_init_camera(struct isp_platform_data *pdata) +{ + return 0; +} + +#endif + +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 +} + +#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB) +static struct omap_control_usb_platform_data omap4_control_usb_pdata = { + .type = 1, +}; + +struct resource omap4_control_usb_res[] = { + { + .name = "control_dev_conf", + .start = 0x4a002300, + .end = 0x4a002303, + .flags = IORESOURCE_MEM, + }, + { + .name = "otghs_control", + .start = 0x4a00233c, + .end = 0x4a00233f, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device omap4_control_usb = { + .name = "omap-control-usb", + .id = -1, + .dev = { + .platform_data = &omap4_control_usb_pdata, + }, + .num_resources = 2, + .resource = omap4_control_usb_res, +}; + +static inline void __init omap_init_control_usb(void) +{ + if (!cpu_is_omap44xx()) + return; + + if (platform_device_register(&omap4_control_usb)) + pr_err("Error registering omap_control_usb device\n"); +} + +#else +static inline void omap_init_control_usb(void) { } +#endif /* CONFIG_OMAP_CONTROL_USB */ + +int __init omap4_keyboard_init(struct omap4_keypad_platform_data + *sdp4430_keypad_data, struct omap_board_data *bdata) +{ + struct platform_device *pdev; + struct omap_hwmod *oh; + struct omap4_keypad_platform_data *keypad_data; + unsigned int id = -1; + char *oh_name = "kbd"; + char *name = "omap4-keypad"; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("Could not look up %s\n", oh_name); + return -ENODEV; + } + + keypad_data = sdp4430_keypad_data; + + pdev = omap_device_build(name, id, oh, keypad_data, + sizeof(struct omap4_keypad_platform_data)); + + if (IS_ERR(pdev)) { + WARN(1, "Can't build omap_device for %s:%s.\n", + name, oh->name); + return PTR_ERR(pdev); + } + oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); + + return 0; +} + +#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE) +static inline void __init omap_init_mbox(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("mailbox"); + if (!oh) { + pr_err("%s: unable to find hwmod\n", __func__); + return; + } + + pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0); + 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_OMAP_MBOX_FWK */ + +static inline void omap_init_sti(void) {} + +#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) + +static struct platform_device omap_pcm = { + .name = "omap-pcm-audio", + .id = -1, +}; + +static void omap_init_audio(void) +{ + platform_device_register(&omap_pcm); +} + +#else +static inline void omap_init_audio(void) {} +#endif + +#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ + defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) + +static void __init omap_init_mcpdm(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("mcpdm"); + if (!oh) { + printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); + return; + } + + pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); +} +#else +static inline void omap_init_mcpdm(void) {} +#endif + +#if defined(CONFIG_SND_OMAP_SOC_DMIC) || \ + defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE) + +static void __init omap_init_dmic(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("dmic"); + if (!oh) { + pr_err("Could not look up dmic hw_mod\n"); + return; + } + + pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); +} +#else +static inline void omap_init_dmic(void) {} +#endif + +#if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ + defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) + +static struct platform_device omap_hdmi_audio = { + .name = "omap-hdmi-audio", + .id = -1, +}; + +static void __init omap_init_hdmi_audio(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("dss_hdmi"); + if (!oh) { + printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n"); + return; + } + + pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), + "Can't build omap_device for omap-hdmi-audio-dai.\n"); + + platform_device_register(&omap_hdmi_audio); +} +#else +static inline void omap_init_hdmi_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) +{ + 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, +}; +static void omap_init_vout(void) +{ + if (platform_device_register(&omap_vout_device) < 0) + printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); +} +#else +static inline void omap_init_vout(void) {} +#endif + +#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE) +static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) +{ + int cnt = 0; + + while (ocp2scp_dev->drv_name != NULL) { + cnt++; + ocp2scp_dev++; + } + + return cnt; +} + +static void __init omap_init_ocp2scp(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + int bus_id = -1, dev_cnt = 0, i; + struct omap_ocp2scp_dev *ocp2scp_dev; + const char *oh_name, *name; + struct omap_ocp2scp_platform_data *pdata; + + if (!cpu_is_omap44xx()) + return; + + oh_name = "ocp2scp_usb_phy"; + name = "omap-ocp2scp"; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("%s: could not find omap_hwmod for %s\n", __func__, + oh_name); + return; + } + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + pr_err("%s: No memory for ocp2scp pdata\n", __func__); + return; + } + + ocp2scp_dev = oh->dev_attr; + dev_cnt = count_ocp2scp_devices(ocp2scp_dev); + + if (!dev_cnt) { + pr_err("%s: No devices connected to ocp2scp\n", __func__); + kfree(pdata); + return; + } + + pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *) + * dev_cnt, GFP_KERNEL); + if (!pdata->devices) { + pr_err("%s: No memory for ocp2scp pdata devices\n", __func__); + kfree(pdata); + return; + } + + for (i = 0; i < dev_cnt; i++, ocp2scp_dev++) + pdata->devices[i] = ocp2scp_dev; + + pdata->dev_cnt = dev_cnt; + + pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata)); + if (IS_ERR(pdev)) { + pr_err("Could not build omap_device for %s %s\n", + name, oh_name); + kfree(pdata->devices); + kfree(pdata); + return; + } +} +#else +static inline void omap_init_ocp2scp(void) { } +#endif + +/*-------------------------------------------------------------------------*/ + +static int __init omap2_init_devices(void) +{ + /* 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_audio(); + omap_init_camera(); + omap_init_hdmi_audio(); + omap_init_mbox(); + /* If dtb is there, the devices will be created dynamically */ + if (!of_have_populated_dt()) { + omap_init_control_usb(); + omap_init_dmic(); + omap_init_mcpdm(); + omap_init_mcspi(); + omap_init_sham(); + omap_init_aes(); + } + omap_init_sti(); + omap_init_rng(); + omap_init_vout(); + omap_init_ocp2scp(); + + return 0; +} +omap_arch_initcall(omap2_init_devices); |