COMPAT_NVIDIA_TEGRA20_USB, /* Tegra20 USB port */
COMPAT_NVIDIA_TEGRA30_USB, /* Tegra30 USB port */
COMPAT_NVIDIA_TEGRA114_USB, /* Tegra114 USB port */
- COMPAT_NVIDIA_TEGRA114_I2C, /* Tegra114 I2C w/single clock source */
- COMPAT_NVIDIA_TEGRA20_I2C, /* Tegra20 i2c */
- COMPAT_NVIDIA_TEGRA20_DVC, /* Tegra20 dvc (really just i2c) */
COMPAT_NVIDIA_TEGRA20_EMC, /* Tegra20 memory controller */
COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra20 memory timing table */
COMPAT_NVIDIA_TEGRA20_KBC, /* Tegra20 Keyboard */
COMPAT_NVIDIA_TEGRA124_SDMMC, /* Tegra124 SDMMC controller */
COMPAT_NVIDIA_TEGRA30_SDMMC, /* Tegra30 SDMMC controller */
COMPAT_NVIDIA_TEGRA20_SDMMC, /* Tegra20 SDMMC controller */
- COMPAT_NVIDIA_TEGRA20_SFLASH, /* Tegra 2 SPI flash controller */
- COMPAT_NVIDIA_TEGRA20_SLINK, /* Tegra 2 SPI SLINK controller */
- COMPAT_NVIDIA_TEGRA114_SPI, /* Tegra 114 SPI controller */
COMPAT_NVIDIA_TEGRA124_PCIE, /* Tegra 124 PCIe controller */
COMPAT_NVIDIA_TEGRA30_PCIE, /* Tegra 30 PCIe controller */
COMPAT_NVIDIA_TEGRA20_PCIE, /* Tegra 20 PCIe controller */
COMPAT_SAMSUNG_S3C2440_I2C, /* Exynos I2C Controller */
COMPAT_SAMSUNG_EXYNOS5_SOUND, /* Exynos Sound */
COMPAT_WOLFSON_WM8994_CODEC, /* Wolfson WM8994 Sound Codec */
- COMPAT_SAMSUNG_EXYNOS_SPI, /* Exynos SPI */
COMPAT_GOOGLE_CROS_EC, /* Google CROS_EC Protocol */
COMPAT_GOOGLE_CROS_EC_KEYB, /* Google CROS_EC Keyboard */
COMPAT_SAMSUNG_EXYNOS_EHCI, /* Exynos EHCI controller */
COMPAT_INTEL_MODEL_206AX, /* Intel Model 206AX CPU */
COMPAT_INTEL_GMA, /* Intel Graphics Media Accelerator */
COMPAT_AMS_AS3722, /* AMS AS3722 PMIC */
+ COMPAT_INTEL_ICH_SPI, /* Intel ICH7/9 SPI controller */
+ COMPAT_INTEL_QRK_MRC, /* Intel Quark MRC */
+ COMPAT_SOCIONEXT_XHCI, /* Socionext UniPhier xHCI */
COMPAT_COUNT,
};
-/* GPIOs are numbered from 0 */
-enum {
- FDT_GPIO_NONE = -1U, /* an invalid GPIO used to end our list */
-
- FDT_GPIO_ACTIVE_LOW = 1 << 0, /* input is active low (else high) */
-};
-
-/* This is the state of a GPIO pin as defined by the fdt */
-struct fdt_gpio_state {
- const char *name; /* name of the fdt property defining this */
- uint gpio; /* GPIO number, or FDT_GPIO_NONE if none */
- u8 flags; /* FDT_GPIO_... flags */
+#define MAX_PHANDLE_ARGS 16
+struct fdtdec_phandle_args {
+ int node;
+ int args_count;
+ uint32_t args[MAX_PHANDLE_ARGS];
};
-/* This tells us whether a fdt_gpio_state record is valid or not */
-#define fdt_gpio_isvalid(x) ((x)->gpio != FDT_GPIO_NONE)
-
/**
- * Read the GPIO taking into account the polarity of the pin.
+ * fdtdec_parse_phandle_with_args() - Find a node pointed by phandle in a list
*
- * @param gpio pointer to the decoded gpio
- * @return value of the gpio if successful, < 0 if unsuccessful
- */
-int fdtdec_get_gpio(struct fdt_gpio_state *gpio);
-
-/**
- * Write the GPIO taking into account the polarity of the pin.
+ * This function is useful to parse lists of phandles and their arguments.
+ *
+ * Example:
+ *
+ * phandle1: node1 {
+ * #list-cells = <2>;
+ * }
+ *
+ * phandle2: node2 {
+ * #list-cells = <1>;
+ * }
+ *
+ * node3 {
+ * list = <&phandle1 1 2 &phandle2 3>;
+ * }
+ *
+ * To get a device_node of the `node2' node you may call this:
+ * fdtdec_parse_phandle_with_args(blob, node3, "list", "#list-cells", 0, 1,
+ * &args);
+ *
+ * (This function is a modified version of __of_parse_phandle_with_args() from
+ * Linux 3.18)
+ *
+ * @blob: Pointer to device tree
+ * @src_node: Offset of device tree node containing a list
+ * @list_name: property name that contains a list
+ * @cells_name: property name that specifies the phandles' arguments count,
+ * or NULL to use @cells_count
+ * @cells_count: Cell count to use if @cells_name is NULL
+ * @index: index of a phandle to parse out
+ * @out_args: optional pointer to output arguments structure (will be filled)
+ * @return 0 on success (with @out_args filled out if not NULL), -ENOENT if
+ * @list_name does not exist, a phandle was not found, @cells_name
+ * could not be found, the arguments were truncated or there were too
+ * many arguments.
*
- * @param gpio pointer to the decoded gpio
- * @return 0 if successful
*/
-int fdtdec_set_gpio(struct fdt_gpio_state *gpio, int val);
+int fdtdec_parse_phandle_with_args(const void *blob, int src_node,
+ const char *list_name,
+ const char *cells_name,
+ int cell_count, int index,
+ struct fdtdec_phandle_args *out_args);
/**
* Find the next numbered alias for a peripheral. This is used to enumerate
/**
* Look at the pci address of a device node that represents a PCI device
- * and parse the bus, device and function number from it.
+ * and parse the bus, device and function number from it. For some cases
+ * like the bus number encoded in reg property is not correct after pci
+ * enumeration, this function looks through the node's compatible strings
+ * to get these numbers extracted instead.
*
* @param blob FDT blob
* @param node node to examine
s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
s32 default_val);
+/**
+ * Get a variable-sized number from a property
+ *
+ * This reads a number from one or more cells.
+ *
+ * @param ptr Pointer to property
+ * @param cells Number of cells containing the number
+ * @return the value in the cells
+ */
+u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells);
+
/**
* Look up a 64-bit integer property in a node and return it. The property
* must have at least 8 bytes of data (2 cells). The first two cells are
*/
int fdtdec_get_bool(const void *blob, int node, const char *prop_name);
-/**
- * Decode a single GPIOs from an FDT.
- *
- * If the property is not found, then the GPIO structure will still be
- * initialised, with gpio set to FDT_GPIO_NONE. This makes it easy to
- * provide optional GPIOs.
- *
- * @param blob FDT blob to use
- * @param node Node to look at
- * @param prop_name Node property name
- * @param gpio gpio elements to fill from FDT
- * @return 0 if ok, -FDT_ERR_NOTFOUND if the property is missing.
- */
-int fdtdec_decode_gpio(const void *blob, int node, const char *prop_name,
- struct fdt_gpio_state *gpio);
-
-/**
- * Decode a list of GPIOs from an FDT. This creates a list of GPIOs with no
- * terminating item.
- *
- * @param blob FDT blob to use
- * @param node Node to look at
- * @param prop_name Node property name
- * @param gpio Array of gpio elements to fill from FDT. This will be
- * untouched if either 0 or an error is returned
- * @param max_count Maximum number of elements allowed
- * @return number of GPIOs read if ok, -FDT_ERR_BADLAYOUT if max_count would
- * be exceeded, or -FDT_ERR_NOTFOUND if the property is missing.
- */
-int fdtdec_decode_gpios(const void *blob, int node, const char *prop_name,
- struct fdt_gpio_state *gpio, int max_count);
-
-/**
- * Set up a GPIO pin according to the provided gpio information. At present this
- * just requests the GPIO.
- *
- * If the gpio is FDT_GPIO_NONE, no action is taken. This makes it easy to
- * deal with optional GPIOs.
- *
- * @param gpio GPIO info to use for set up
- * @return 0 if all ok or gpio was FDT_GPIO_NONE; -1 on error
- */
-int fdtdec_setup_gpio(struct fdt_gpio_state *gpio);
-
/**
* Look in the FDT for a config item with the given name and return its value
* as a 32-bit integer. The property must have at least 4 bytes of data. The
projects / karo-tx-uboot.git / blobdiff