From 8e7a7ffec6711069e2c0032574d93f75cf0ab454 Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Wed, 18 Sep 2024 16:49:21 +0300
Subject: [PATCH] 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 | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mux/mmio.c b/drivers/mux/mmio.c
index e1125458a6..e06f4462b5 100644
--- a/drivers/mux/mmio.c
+++ b/drivers/mux/mmio.c
@@ -31,6 +31,7 @@ static const struct mux_control_ops mux_mmio_ops = {
static const struct udevice_id mmio_mux_of_match[] = {
{ .compatible = "mmio-mux" },
+ { .compatible = "reg-mux" },
{ /* sentinel */ },
};
@@ -45,7 +46,11 @@ static int mmio_mux_probe(struct udevice *dev)
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), ®map);
+
if (IS_ERR(regmap)) {
ret = PTR_ERR(regmap);
dev_err(dev, "failed to get regmap: %d\n", ret);
--
2.39.5