mx28evk: Fix PSWITCH key position

[karo-tx-uboot.git] / include / fdtdec.h

diff --git a/include/fdtdec.h b/include/fdtdec.h
index 0351a25a98a7a0679f5997436005e54df6df34fd..fab577ed32f5e7321e6a49e2808a6f21368c471f 100644 (file)
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -60,6 +60,9 @@ enum fdt_compat_id {
        COMPAT_NVIDIA_TEGRA20_USB,      /* Tegra2 USB port */
        COMPAT_NVIDIA_TEGRA20_I2C,      /* Tegra2 i2c */
        COMPAT_NVIDIA_TEGRA20_DVC,      /* Tegra2 dvc (really just i2c) */
+       COMPAT_NVIDIA_TEGRA20_EMC,      /* Tegra2 memory controller */
+       COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra2 memory timing table */
+       COMPAT_NVIDIA_TEGRA20_KBC,      /* Tegra2 Keyboard */
 
        COMPAT_COUNT,
 };
@@ -347,3 +350,35 @@ int fdtdec_decode_gpio(const void *blob, int node, const char *prop_name,
  * @return 0 if all ok or gpio was FDT_GPIO_NONE; -1 on error
  */
 int fdtdec_setup_gpio(struct fdt_gpio_state *gpio);
+
+/*
+ * Look up a property in a node and return its contents in a byte
+ * array of given length. The property must have at least enough data for
+ * the array (count bytes). It may have more, but this will be ignored.
+ *
+ * @param blob         FDT blob
+ * @param node         node to examine
+ * @param prop_name    name of property to find
+ * @param array                array to fill with data
+ * @param count                number of array elements
+ * @return 0 if ok, or -FDT_ERR_MISSING if the property is not found,
+ *             or -FDT_ERR_BADLAYOUT if not enough data
+ */
+int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name,
+               u8 *array, int count);
+
+/**
+ * Look up a property in a node and return a pointer to its contents as a
+ * byte array of given length. The property must have at least enough data
+ * for the array (count bytes). It may have more, but this will be ignored.
+ * The data is not copied.
+ *
+ * @param blob         FDT blob
+ * @param node         node to examine
+ * @param prop_name    name of property to find
+ * @param count                number of array elements
+ * @return pointer to byte array if found, or NULL if the property is not
+ *             found or there is not enough data
+ */
+const u8 *fdtdec_locate_byte_array(const void *blob, int node,
+                            const char *prop_name, int count);