of: property: Add fw_devlink support for msi-parent

This allows fw_devlink to create device links between consumers of
a MSI and the supplier of the MSI.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20231027154254.355853-3-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/drivers/of/property.c b/drivers/of/property.c
index cf8dacf3e3b84d8a56aae6aa1bd79da7cf8e7fea..afdaefbd03f61563c2b2972ff0c64266d3acaa9e 100644 (file)
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1267,6 +1267,7 @@ DEFINE_SIMPLE_PROP(resets, "resets", "#reset-cells")
 DEFINE_SIMPLE_PROP(leds, "leds", NULL)
 DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
 DEFINE_SIMPLE_PROP(panel, "panel", NULL)
+DEFINE_SIMPLE_PROP(msi_parent, "msi-parent", "#msi-cells")
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1356,6 +1357,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
        { .parse_prop = parse_leds, },
        { .parse_prop = parse_backlight, },
        { .parse_prop = parse_panel, },
+       { .parse_prop = parse_msi_parent, },
        { .parse_prop = parse_gpio_compat, },
        { .parse_prop = parse_interrupts, },
        { .parse_prop = parse_regulators, },