[PATCH v2 5/7] riscv: dts: thead: change TH1520 mmc nodes to use clock controller

Drew Fustini dfustini at tenstorrent.com
Sun Jun 23 19:12:35 PDT 2024


Change the clock property in the TH1520 mmc controller nodes to a clock
provided by AP_SYS clock controller.

Remove sdhci fixed clock reference from BeagleV Ahead and LPI4a dts.

Signed-off-by: Drew Fustini <dfustini at tenstorrent.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts     |  4 ----
 arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi |  4 ----
 arch/riscv/boot/dts/thead/th1520.dtsi                  | 13 +++----------
 3 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 164afd18b56c..55f1ed0cb433 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -48,10 +48,6 @@ &apb_clk {
 	clock-frequency = <62500000>;
 };
 
-&sdhci_clk {
-	clock-frequency = <198000000>;
-};
-
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
index 1b7ede570994..762eceb415f8 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
@@ -29,10 +29,6 @@ &apb_clk {
 	clock-frequency = <62500000>;
 };
 
-&sdhci_clk {
-	clock-frequency = <198000000>;
-};
-
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 66df04ceb3e4..ce3a0847aa9c 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -141,13 +141,6 @@ apb_clk: apb-clk-clock {
 		#clock-cells = <0>;
 	};
 
-	sdhci_clk: sdhci-clock {
-		compatible = "fixed-clock";
-		clock-frequency = <198000000>;
-		clock-output-names = "sdhci_clk";
-		#clock-cells = <0>;
-	};
-
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -200,7 +193,7 @@ emmc: mmc at ffe7080000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe7080000 0x0 0x10000>;
 			interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};
@@ -209,7 +202,7 @@ sdio0: mmc at ffe7090000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe7090000 0x0 0x10000>;
 			interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};
@@ -218,7 +211,7 @@ sdio1: mmc at ffe70a0000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe70a0000 0x0 0x10000>;
 			interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};

-- 
2.34.1




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