linux-kernel - [PATCH 5.4 039/183] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240324234638.1355609-40-sashal@kernel.org>
Date: Sun, 24 Mar 2024 19:44:12 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
	Niklas Söderlund <niklas.soderlund+renesas@...natech.se>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 039/183] ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate

From: Geert Uytterhoeven <geert+renesas@...der.be>

[ Upstream commit 090c4094574705b0afc7d37825cdc5d06f0e7e02 ]

External clocks should be defined as zero-Hz clocks in the SoC .dtsi,
and overridden in the board .dts when present.

Correct the clock rate of extal1 from 25 to 26 MHz, to match the crystal
oscillator present on the APE6-EVM board.

Fixes: a76809a329d6ebae ("ARM: shmobile: r8a73a4: Common clock framework DT description")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Link: https://lore.kernel.org/r/1692bc8cd465d62168cbf110522ad62a7af3f606.1705315614.git.geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/r8a73a4-ape6evm.dts | 12 ++++++++++++
 arch/arm/boot/dts/r8a73a4.dtsi        |  9 ++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
index a5351ddbf5060..a396f403c9091 100644
--- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts
+++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
@@ -211,6 +211,18 @@ &cmt1 {
 	status = "okay";
 };
 
+&extal1_clk {
+	clock-frequency = <26000000>;
+};
+
+&extal2_clk {
+	clock-frequency = <48000000>;
+};
+
+&extalr_clk {
+	clock-frequency = <32768>;
+};
+
 &pfc {
 	scifa0_pins: scifa0 {
 		groups = "scifa0_data";
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index 4447f45f0cba9..48121ef690c9d 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -494,17 +494,20 @@ clocks {
 		extalr_clk: extalr {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <32768>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		extal1_clk: extal1 {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <25000000>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		extal2_clk: extal2 {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
-			clock-frequency = <48000000>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
 		};
 		fsiack_clk: fsiack {
 			compatible = "fixed-clock";
-- 
2.43.0