[PATCH 5/6] arm64: dts: amlogic: g12: assign the MMC B and C signal clocks

Jerome Brunet jbrunet at baylibre.com
Wed Jan 14 09:08:52 PST 2026


The amlogic MMC driver operate with the assumption that MMC clock
is configured to provide 24MHz. It uses this path for low
rates such as 400kHz.

Assign the clocks to make sure they are properly configured

Fixes: 4759fd87b928 ("arm64: dts: meson: g12a: add mmc nodes")
Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index ca455f634834..0085612cf735 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2443,6 +2443,9 @@ sd_emmc_b: mmc at ffe05000 {
 				 <&clkc CLKID_FCLK_DIV2>;
 			clock-names = "core", "clkin0", "clkin1";
 			resets = <&reset RESET_SD_EMMC_B>;
+
+			assigned-clocks = <&clkc CLKID_SD_EMMC_B_CLK0>;
+			assigned-clock-rates = <24000000>;
 		};
 
 		sd_emmc_c: mmc at ffe07000 {
@@ -2455,6 +2458,9 @@ sd_emmc_c: mmc at ffe07000 {
 				 <&clkc CLKID_FCLK_DIV2>;
 			clock-names = "core", "clkin0", "clkin1";
 			resets = <&reset RESET_SD_EMMC_C>;
+
+			assigned-clocks = <&clkc CLKID_SD_EMMC_C_CLK0>;
+			assigned-clock-rates = <24000000>;
 		};
 
 		usb: usb at ffe09000 {

-- 
2.47.3




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