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-rw-r--r--arch/arm/mach-omap2/devices.c485
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);