linux-kernel - [PATCH] arm64: dts: renesas: sparrow-hawk: Mark OTP and HSCIF0 pins as bootph-all

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Message-ID: <20260112234642.225993-1-marek.vasut+renesas@mailbox.org>
Date: Tue, 13 Jan 2026 00:45:56 +0100
From: Marek Vasut <marek.vasut+renesas@...lbox.org>
To: linux-arm-kernel@...ts.infradead.org
Cc: Marek Vasut <marek.vasut+renesas@...lbox.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org
Subject: [PATCH] arm64: dts: renesas: sparrow-hawk: Mark OTP and HSCIF0 pins as bootph-all

The U-Boot SPL is responsible for initializing the hardware and it does
also initialize HSCIF0 and its pinmux, mark the HSCIF0 pinmux as needed
in all bootloader stages. The SPL also uses OTP to determine the exact
V4H SoC variant during DRAM initialization, to determine which is the
maximum allowed DRAM rate, mark OTP as required in all bootloader stages
as well.

Signed-off-by: Marek Vasut <marek.vasut+renesas@...lbox.org>
---
Cc: Conor Dooley <conor+dt@...nel.org>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Magnus Damm <magnus.damm@...il.com>
Cc: Rob Herring <robh@...nel.org>
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-renesas-soc@...r.kernel.org
---
 arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
index 9052d9c954738..bcf8270a3ed9a 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
@@ -541,6 +541,10 @@ msiof1_snd_endpoint: endpoint {
 	};
 };
 
+&otp {
+	bootph-all;
+};
+
 /* Page 26 / 2230 Key M M.2 */
 &pcie0_clkref {
 	status = "disabled";
@@ -625,6 +629,7 @@ canfd4_pins: canfd4 {
 	hscif0_pins: hscif0 {
 		groups = "hscif0_data", "hscif0_ctrl";
 		function = "hscif0";
+		bootph-all;
 	};
 
 	/* Page 23 / DEBUG */
-- 
2.51.0