commit 8e7a7ffec6711069e2c0032574d93f75cf0ab454
author Roger Quadros <rogerq@kernel.org> Wed Sep 18 16:49:21 2024 +0300
committer Tom Rini <trini@konsulko.com> Fri Sep 20 09:09:42 2024 -0600
tree 8213e664fae365d9f7cc02cbad6881d975192a28
parent c97ada2dc66934ee00a7a03d9ed078bdfb7b4039

mux: mmio: Support "reg-mux" compatible

With "reg-mux" compatible the driver no longer expects the parent
device to be a syscon type. It uses it's own regmux.

Signed-off-by: Roger Quadros <rogerq@kernel.org>

drivers/mux/mmio.c

diff --git a/drivers/mux/mmio.c b/drivers/mux/mmio.c
index e112545..e06f446 100644
--- a/drivers/mux/mmio.c
+++ b/drivers/mux/mmio.c
@@ -31,6 +31,7 @@
 
 static const struct udevice_id mmio_mux_of_match[] = {
 	{ .compatible = "mmio-mux" },
+	{ .compatible = "reg-mux" },
 	{ /* sentinel */ },
 };
 
@@ -45,7 +46,11 @@
 	int ret;
 	int i;
 
-	regmap = syscon_node_to_regmap(dev_ofnode(dev->parent));
+	if (ofnode_device_is_compatible(dev_ofnode(dev), "mmio-mux"))
+		regmap = syscon_node_to_regmap(dev_ofnode(dev->parent));
+	else
+		regmap_init_mem(dev_ofnode(dev), &regmap);
+
 	if (IS_ERR(regmap)) {
 		ret = PTR_ERR(regmap);
 		dev_err(dev, "failed to get regmap: %d\n", ret);