--- /dev/null
- #include <linux/i2c.h>
- #include <linux/i2c-tegra.h>
+/*
+ * NVIDIA Tegra SoC device tree board support
+ *
+ * Copyright (C) 2011, 2013, NVIDIA Corporation
+ * Copyright (C) 2010 Secret Lab Technologies, Ltd.
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/clocksource.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+#include <linux/pda_power.h>
+#include <linux/platform_data/tegra_usb.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
+#include <linux/usb/tegra_usb_phy.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/setup.h>
+
+#include "board.h"
+#include "common.h"
+#include "fuse.h"
+#include "iomap.h"
+
+static struct tegra_ehci_platform_data tegra_ehci1_pdata = {
+ .operating_mode = TEGRA_USB_OTG,
+ .power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
+};
+
+static struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
+ .reset_gpio = -1,
+ .clk = "cdev2",
+};
+
+static struct tegra_ehci_platform_data tegra_ehci2_pdata = {
+ .phy_config = &tegra_ehci2_ulpi_phy_config,
+ .operating_mode = TEGRA_USB_HOST,
+ .power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
+};
+
+static struct tegra_ehci_platform_data tegra_ehci3_pdata = {
+ .operating_mode = TEGRA_USB_HOST,
+ .power_down_on_bus_suspend = 1,
+ .vbus_gpio = -1,
+};
+
+static struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5000000, "tegra-ehci.0",
+ &tegra_ehci1_pdata),
+ OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5004000, "tegra-ehci.1",
+ &tegra_ehci2_pdata),
+ OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5008000, "tegra-ehci.2",
+ &tegra_ehci3_pdata),
+ {}
+};
+
+static void __init tegra_dt_init(void)
+{
+ struct soc_device_attribute *soc_dev_attr;
+ struct soc_device *soc_dev;
+ struct device *parent = NULL;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ goto out;
+
+ soc_dev_attr->family = kasprintf(GFP_KERNEL, "Tegra");
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d", tegra_revision);
+ soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%d", tegra_chip_id);
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr->family);
+ kfree(soc_dev_attr->revision);
+ kfree(soc_dev_attr->soc_id);
+ kfree(soc_dev_attr);
+ goto out;
+ }
+
+ parent = soc_device_to_device(soc_dev);
+
+ /*
+ * Finished with the static registrations now; fill in the missing
+ * devices
+ */
+out:
+ of_platform_populate(NULL, of_default_bus_match_table,
+ tegra20_auxdata_lookup, parent);
+}
+
+static void __init trimslice_init(void)
+{
+#ifdef CONFIG_TEGRA_PCI
+ int ret;
+
+ ret = tegra_pcie_init(true, true);
+ if (ret)
+ pr_err("tegra_pci_init() failed: %d\n", ret);
+#endif
+}
+
+static void __init harmony_init(void)
+{
+#ifdef CONFIG_TEGRA_PCI
+ int ret;
+
+ ret = harmony_pcie_init();
+ if (ret)
+ pr_err("harmony_pcie_init() failed: %d\n", ret);
+#endif
+}
+
+static void __init paz00_init(void)
+{
+ if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
+ tegra_paz00_wifikill_init();
+}
+
+static struct {
+ char *machine;
+ void (*init)(void);
+} board_init_funcs[] = {
+ { "compulab,trimslice", trimslice_init },
+ { "nvidia,harmony", harmony_init },
+ { "compal,paz00", paz00_init },
+};
+
+static void __init tegra_dt_init_late(void)
+{
+ int i;
+
+ tegra_init_late();
+
+ for (i = 0; i < ARRAY_SIZE(board_init_funcs); i++) {
+ if (of_machine_is_compatible(board_init_funcs[i].machine)) {
+ board_init_funcs[i].init();
+ break;
+ }
+ }
+}
+
+static const char * const tegra_dt_board_compat[] = {
+ "nvidia,tegra114",
+ "nvidia,tegra30",
+ "nvidia,tegra20",
+ NULL
+};
+
+DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
+ .map_io = tegra_map_common_io,
+ .smp = smp_ops(tegra_smp_ops),
+ .init_early = tegra_init_early,
+ .init_irq = tegra_dt_init_irq,
+ .init_time = clocksource_of_init,
+ .init_machine = tegra_dt_init,
+ .init_late = tegra_dt_init_late,
+ .restart = tegra_assert_system_reset,
+ .dt_compat = tegra_dt_board_compat,
+MACHINE_END
{
struct go7007 *go = i2c_get_adapdata(adapter);
struct v4l2_device *v4l2_dev = &go->v4l2_dev;
-
- if (v4l2_i2c_new_subdev(v4l2_dev, adapter, type, addr, NULL))
+ struct v4l2_subdev *sd;
+ struct i2c_board_info info;
+
+ memset(&info, 0, sizeof(info));
+ strlcpy(info.type, i2c->type, sizeof(info.type));
+ info.addr = i2c->addr;
+ info.flags = i2c->flags;
+
+ sd = v4l2_i2c_new_subdev_board(v4l2_dev, adapter, &info, NULL);
+ if (sd) {
+ if (i2c->is_video)
+ go->sd_video = sd;
+ if (i2c->is_audio)
+ go->sd_audio = sd;
return 0;
- if (i2c_del_adapter(&go->i2c_adapter) == 0)
- go->i2c_adapter_online = 0;
- else
- v4l2_err(&go->v4l2_dev,
- "error removing I2C adapter!\n");
+ }
+
+ printk(KERN_INFO "go7007: probing for module i2c:%s failed\n", i2c->type);
+ return -EINVAL;
+}
+
+/*
+ * Detach and unregister the encoder. The go7007 struct won't be freed
+ * until v4l2 finishes releasing its resources and all associated fds are
+ * closed by applications.
+ */
+static void go7007_remove(struct v4l2_device *v4l2_dev)
+{
+ struct go7007 *go = container_of(v4l2_dev, struct go7007, v4l2_dev);
+
+ v4l2_device_unregister(v4l2_dev);
+ if (go->hpi_ops->release)
+ go->hpi_ops->release(go);
+ if (go->i2c_adapter_online) {
++ i2c_del_adapter(&go->i2c_adapter);
++ go->i2c_adapter_online = 0;
+ }
- dev_info(&adapter->dev,
- "go7007: probing for module i2c:%s failed\n", type);
- return -1;
+ kfree(go->boot_fw);
+ go7007_v4l2_remove(go);
+ kfree(go);
}
/*
projects / firefly-linux-kernel-4.4.55.git / commitdiff