linux-kernel - [PATCH v3 03/12] soc: renesas: r9a08g045-sysc: Add USB PWRRDY signal

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Message-ID: <20250521140943.3830195-4-claudiu.beznea.uj@bp.renesas.com>
Date: Wed, 21 May 2025 17:09:34 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: vkoul@...nel.org,
	kishon@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	p.zabel@...gutronix.de,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	yoshihiro.shimoda.uh@...esas.com,
	kees@...nel.org,
	gustavoars@...nel.org,
	biju.das.jz@...renesas.com
Cc: claudiu.beznea@...on.dev,
	linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	john.madieu.xa@...renesas.com,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v3 03/12] soc: renesas: r9a08g045-sysc: Add USB PWRRDY signal

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

The USB PWRRDY is a SYSC signal that need to be controlled, in case of
RZ/G3S SoC, before/after the power to the USB PHYs is turned on/off. Add
the USB PWRRDY signal.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---

Changes in v3:
- none, this patch is new and obtained from [1]

[1] https://lore.kernel.org/all/20241126092050.1825607-3-claudiu.beznea.uj@bp.renesas.com/

 drivers/soc/renesas/r9a08g045-sysc.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/soc/renesas/r9a08g045-sysc.c b/drivers/soc/renesas/r9a08g045-sysc.c
index d2c9e3b77f41..7e6b5edf9666 100644
--- a/drivers/soc/renesas/r9a08g045-sysc.c
+++ b/drivers/soc/renesas/r9a08g045-sysc.c
@@ -5,11 +5,21 @@
  * Copyright (C) 2024 Renesas Electronics Corp.
  */
 
+#include <linux/array_size.h>
 #include <linux/bits.h>
 #include <linux/init.h>
 
 #include "rz-sysc.h"
 
+static const struct rz_sysc_signal_init_data rzg3s_sysc_signals_init_data[] __initconst = {
+	{
+		.name = "usb-pwrrdy",
+		.offset = 0xd70,
+		.mask = BIT(0),
+		.refcnt_incr_val = 0
+	}
+};
+
 static const struct rz_sysc_soc_id_init_data rzg3s_sysc_soc_id_init_data __initconst = {
 	.family = "RZ/G3S",
 	.id = 0x85e0447,
@@ -33,4 +43,6 @@ static const struct regmap_config rzg3s_sysc_regmap __initconst = {
 const struct rz_sysc_init_data rzg3s_sysc_init_data __initconst = {
 	.soc_id_init_data = &rzg3s_sysc_soc_id_init_data,
 	.regmap_cfg = &rzg3s_sysc_regmap,
+	.signals_init_data = rzg3s_sysc_signals_init_data,
+	.num_signals = ARRAY_SIZE(rzg3s_sysc_signals_init_data),
 };
-- 
2.43.0