apalis_imx6: unify sd/mmc drive strength with linux kernel settings

[oweals/u-boot.git] / include / fdtdec.h

diff --git a/include/fdtdec.h b/include/fdtdec.h
index b15da00fb28ccc8477edd90a1c174f6194a8cef9..ad00f79f203a469fe1b92ade5fa2e07fe513d0bb 100644 (file)
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -133,21 +133,14 @@ enum fdt_compat_id {
                                        /* Tegra210 XUSB pad controller */
        COMPAT_SMSC_LAN9215,            /* SMSC 10/100 Ethernet LAN9215 */
        COMPAT_SAMSUNG_EXYNOS5_SROMC,   /* Exynos5 SROMC */
-       COMPAT_SAMSUNG_S3C2440_I2C,     /* Exynos I2C Controller */
-       COMPAT_SAMSUNG_EXYNOS5_SOUND,   /* Exynos Sound */
-       COMPAT_WOLFSON_WM8994_CODEC,    /* Wolfson WM8994 Sound Codec */
        COMPAT_SAMSUNG_EXYNOS_USB_PHY,  /* Exynos phy controller for usb2.0 */
        COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for usb3.0 */
        COMPAT_SAMSUNG_EXYNOS_TMU,      /* Exynos TMU */
        COMPAT_SAMSUNG_EXYNOS_MIPI_DSI, /* Exynos mipi dsi */
        COMPAT_SAMSUNG_EXYNOS_DWMMC,    /* Exynos DWMMC controller */
-       COMPAT_SAMSUNG_EXYNOS_MMC,      /* Exynos MMC controller */
        COMPAT_GENERIC_SPI_FLASH,       /* Generic SPI Flash chip */
-       COMPAT_MAXIM_98095_CODEC,       /* MAX98095 Codec */
-       COMPAT_SAMSUNG_EXYNOS5_I2C,     /* Exynos5 High Speed I2C Controller */
        COMPAT_SAMSUNG_EXYNOS_SYSMMU,   /* Exynos sysmmu */
        COMPAT_INTEL_MICROCODE,         /* Intel microcode update */
-       COMPAT_AMS_AS3722,              /* AMS AS3722 PMIC */
        COMPAT_INTEL_QRK_MRC,           /* Intel Quark MRC */
        COMPAT_ALTERA_SOCFPGA_DWMAC,    /* SoCFPGA Ethernet controller */
        COMPAT_ALTERA_SOCFPGA_DWMMC,    /* SoCFPGA DWMMC controller */
@@ -625,6 +618,19 @@ int fdtdec_add_aliases_for_id(const void *blob, const char *name,
 int fdtdec_get_alias_seq(const void *blob, const char *base, int node,
                         int *seqp);
 
+/**
+ * Get the highest alias number for susbystem.
+ *
+ * It parses all aliases and find out highest recorded alias for subsystem.
+ * Aliases are of the form <base><num> where <num> is the sequence number.
+ *
+ * @param blob         Device tree blob (if NULL, then error is returned)
+ * @param base         Base name for alias susbystem (before the number)
+ *
+ * @return 0 highest alias ID, -1 if not found
+ */
+int fdtdec_get_alias_highest_id(const void *blob, const char *base);
+
 /**
  * Get a property from the /chosen node
  *
@@ -911,6 +917,26 @@ struct display_timing {
 int fdtdec_decode_display_timing(const void *blob, int node, int index,
                                 struct display_timing *config);
 
+/**
+ * fdtdec_setup_mem_size_base_fdt() - decode and setup gd->ram_size and
+ * gd->ram_start
+ *
+ * Decode the /memory 'reg' property to determine the size and start of the
+ * first memory bank, populate the global data with the size and start of the
+ * first bank of memory.
+ *
+ * This function should be called from a boards dram_init(). This helper
+ * function allows for boards to query the device tree for DRAM size and start
+ * address instead of hard coding the value in the case where the memory size
+ * and start address cannot be detected automatically.
+ *
+ * @param blob         FDT blob
+ *
+ * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
+ * invalid
+ */
+int fdtdec_setup_mem_size_base_fdt(const void *blob);
+
 /**
  * fdtdec_setup_mem_size_base() - decode and setup gd->ram_size and
  * gd->ram_start
@@ -929,6 +955,25 @@ int fdtdec_decode_display_timing(const void *blob, int node, int index,
  */
 int fdtdec_setup_mem_size_base(void);
 
+/**
+ * fdtdec_setup_memory_banksize_fdt() - decode and populate gd->bd->bi_dram
+ *
+ * Decode the /memory 'reg' property to determine the address and size of the
+ * memory banks. Use this data to populate the global data board info with the
+ * phys address and size of memory banks.
+ *
+ * This function should be called from a boards dram_init_banksize(). This
+ * helper function allows for boards to query the device tree for memory bank
+ * information instead of hard coding the information in cases where it cannot
+ * be detected automatically.
+ *
+ * @param blob         FDT blob
+ *
+ * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
+ * invalid
+ */
+int fdtdec_setup_memory_banksize_fdt(const void *blob);
+
 /**
  * fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
  *
@@ -951,6 +996,27 @@ int fdtdec_setup_memory_banksize(void);
  */
 int fdtdec_setup(void);
 
+#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
+/**
+ * fdtdec_resetup()  - Set up the device tree again
+ *
+ * The main difference with fdtdec_setup() is that it returns if the fdt has
+ * changed because a better match has been found.
+ * This is typically used for boards that rely on a DM driver to detect the
+ * board type. This function sould be called by the board code after the stuff
+ * needed by board_fit_config_name_match() to operate porperly is available.
+ * If this functions signals that a rescan is necessary, the board code must
+ * unbind all the drivers using dm_uninit() and then rescan the DT with
+ * dm_init_and_scan().
+ *
+ * @param rescan Returns a flag indicating that fdt has changed and rescanning
+ *               the fdt is required
+ *
+ * @return 0 if OK, -ve on error
+ */
+int fdtdec_resetup(int *rescan);
+#endif
+
 /**
  * Board-specific FDT initialization. Returns the address to a device tree blob.
  * Called when CONFIG_OF_BOARD is defined, or if CONFIG_OF_SEPARATE is defined