[PATCH 6.12.y-cip 1/3] arm64: dts: renesas: r9a07g043: Add max-frequency to SDHI nodes

Biju <[email protected]> Tue, 14 Jul 2026 11:18:30 +0100
Newsgroups org.cip-project.lists.cip-dev
Message-ID <[email protected]>
From: Biju Das <[email protected]>

[ Upstream commit f82892de7f4878f54a4035be06f3acc6e6449616 ]

Add the max-frequency property set to 133333333 Hz (133.33 MHz) to both
SDHI0 and SDHI1 MMC controller nodes in the RZ/{G2UL,Five} (r9a07g043)
device tree, increasing performance by ca. 33%.

Signed-off-by: Biju Das <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Biju Das <[email protected]>
---
 arch/arm64/boot/dts/renesas/r9a07g043.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
index 593c66b27ad1..ff5f6b9c1e74 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi
@@ -655,6 +655,7 @@ sdhi0: mmc@11c00000 {
 				 <&cpg CPG_MOD R9A07G043_SDHI0_IMCLK2>,
 				 <&cpg CPG_MOD R9A07G043_SDHI0_ACLK>;
 			clock-names = "core", "clkh", "cd", "aclk";
+			max-frequency = <133333333>;
 			resets = <&cpg R9A07G043_SDHI0_IXRST>;
 			power-domains = <&cpg>;
 			status = "disabled";
@@ -671,6 +672,7 @@ sdhi1: mmc@11c10000 {
 				 <&cpg CPG_MOD R9A07G043_SDHI1_IMCLK2>,
 				 <&cpg CPG_MOD R9A07G043_SDHI1_ACLK>;
 			clock-names = "core", "clkh", "cd", "aclk";
+			max-frequency = <133333333>;
 			resets = <&cpg R9A07G043_SDHI1_IXRST>;
 			power-domains = <&cpg>;
 			status = "disabled";
-- 
2.43.0