From 928d267aeea9406497c8060c03d3a0a78a8cbaa9 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 6 Sep 2022 20:27:22 -0600 Subject: dm: core: Add a way to look up a phandle in an oftree When we have multiple trees, the ofnode logic needs to be told which one to use. Create a new function which takes an oftree argument, along with a helper to obtain the FDT pointer from an oftree. Signed-off-by: Simon Glass --- drivers/core/ofnode.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/core') diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 48d4dec..012cb8c 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -410,6 +410,20 @@ ofnode ofnode_get_by_phandle(uint phandle) return node; } +ofnode oftree_get_by_phandle(oftree tree, uint phandle) +{ + ofnode node; + + if (of_live_active()) + node = np_to_ofnode(of_find_node_by_phandle(tree.np, phandle)); + else + node.of_offset = + fdt_node_offset_by_phandle(oftree_lookup_fdt(tree), + phandle); + + return node; +} + static fdt_addr_t __ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size, bool translate) { -- cgit v1.1