armv8/ls2085ardb: add hwconfig setting for eSDHC

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

diff --git a/include/fdt_support.h b/include/fdt_support.h
index 1f19fe4c9622a84c365f500ff80b2b72bb61baf1..0edc4fa5b1445e594368ebd6ac7c214687c9ef3d 100644 (file)
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -16,8 +16,35 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
                                const char *prop, const u32 dflt);
 u32 fdt_getprop_u32_default(const void *fdt, const char *path,
                                const char *prop, const u32 dflt);
+
+/**
+ * Add data to the root of the FDT before booting the OS.
+ *
+ * See doc/device-tree-bindings/root.txt
+ *
+ * @param fdt          FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_root(void *fdt);
+
+/**
+ * Add chosen data the FDT before booting the OS.
+ *
+ * In particular, this adds the kernel command line (bootargs) to the FDT.
+ *
+ * @param fdt          FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
 int fdt_chosen(void *fdt);
+
+/**
+ * Add initrd information to the FDT before booting the OS.
+ *
+ * @param fdt          FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
+
 void do_fixup_by_path(void *fdt, const char *path, const char *prop,
                      const void *val, int len, int create);
 void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
@@ -47,6 +74,19 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
                         const void *val, int len, int create);
 void fdt_fixup_qe_firmware(void *fdt);
 
+/**
+ * Update native-mode property of display-timings node to the phandle
+ * of the timings matching a display by name (case insensitive).
+ *
+ * see kernel Documentation/devicetree/bindings/video/display-timing.txt
+ *
+ * @param blob         FDT blob to update
+ * @param path         path within dt
+ * @param display      name of display timing to match
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_fixup_display(void *blob, const char *path, const char *display);
+
 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
 void fdt_fixup_dr_usb(void *blob, bd_t *bd);
 #else
@@ -100,7 +140,7 @@ void ft_pci_setup(void *blob, bd_t *bd);
  */
 int ft_system_setup(void *blob, bd_t *bd);
 
-void set_working_fdt_addr(void *addr);
+void set_working_fdt_addr(ulong addr);
 int fdt_shrink_to_minimum(void *blob);
 int fdt_increase_size(void *fdt, int add_len);