linux-kernel - [PATCH v2] of: property: fw_devlink: Add support for "mmc-pwrseq"

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Message-Id: <20250930-mmc_pwrseq-v2-1-80a8c6be0fb0@valla.it>
Date: Tue, 30 Sep 2025 17:58:17 +0200
From: Francesco Valla <francesco@...la.it>
To: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Francesco Valla <francesco@...la.it>
Subject: [PATCH v2] of: property: fw_devlink: Add support for "mmc-pwrseq"

Add support for parsing MMC power sequencing (pwrseq) binding so that
fw_devlink can enforce the dependency.

Signed-off-by: Francesco Valla <francesco@...la.it>
---
Changes in v2:
- EDITME: describe what is new in this series revision.
- EDITME: use bulletpoints and terse descriptions.
- Link to v1: https://lore.kernel.org/r/20250930-mmc_pwrseq-v1-1-7fd2764f5ac1@valla.it
---
 drivers/of/property.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index c1feb631e3831d7d5ec23c606af31731bfc2f8b8..fcf10c4f02dcf879e1f25e4fa97b25152d58bacb 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1377,6 +1377,7 @@ DEFINE_SIMPLE_PROP(post_init_providers, "post-init-providers", NULL)
 DEFINE_SIMPLE_PROP(access_controllers, "access-controllers", "#access-controller-cells")
 DEFINE_SIMPLE_PROP(pses, "pses", "#pse-cells")
 DEFINE_SIMPLE_PROP(power_supplies, "power-supplies", NULL)
+DEFINE_SIMPLE_PROP(mmc_pwrseq, "mmc-pwrseq", NULL)
 DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
 DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
 
@@ -1524,6 +1525,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_msi_parent, },
 	{ .parse_prop = parse_pses, },
 	{ .parse_prop = parse_power_supplies, },
+	{ .parse_prop = parse_mmc_pwrseq, },
 	{ .parse_prop = parse_gpio_compat, },
 	{ .parse_prop = parse_interrupts, },
 	{ .parse_prop = parse_interrupt_map, },

---
base-commit: 30d4efb2f5a515a60fe6b0ca85362cbebea21e2f
change-id: 20250930-mmc_pwrseq-247089ac9583

Best regards,
-- 
Francesco Valla <francesco@...la.it>