[PATCH 4/6] arm64: dts: amlogic: gx: assign the MMC signal clocks
Jerome Brunet
jbrunet at baylibre.com
Wed Jan 14 09:08:51 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: 50662499f911 ("ARM64: dts: meson-gx: Use correct mmc clock source 0")
Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 9 +++++++++
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 9 +++++++++
2 files changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index f69923da07fe..a9c830a570cc 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -824,6 +824,9 @@ &sd_emmc_a {
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
resets = <&reset RESET_SD_EMMC_A>;
+
+ assigned-clocks = <&clkc CLKID_SD_EMMC_A_CLK0>;
+ assigned-clock-rates = <24000000>;
};
&sd_emmc_b {
@@ -832,6 +835,9 @@ &sd_emmc_b {
<&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 {
@@ -840,6 +846,9 @@ &sd_emmc_c {
<&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>;
};
&simplefb_hdmi {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index ba535010a3c9..e202d84f0672 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -894,6 +894,9 @@ &sd_emmc_a {
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
resets = <&reset RESET_SD_EMMC_A>;
+
+ assigned-clocks = <&clkc CLKID_SD_EMMC_A_CLK0>;
+ assigned-clock-rates = <24000000>;
};
&sd_emmc_b {
@@ -902,6 +905,9 @@ &sd_emmc_b {
<&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 {
@@ -910,6 +916,9 @@ &sd_emmc_c {
<&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>;
};
&simplefb_hdmi {
--
2.47.3
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