[PATCH v3 6/6] arm64: dts: imx943: Add LVDS/DISPLAY CSR nodes

Peng Fan peng.fan at nxp.com
Sun Jul 6 19:24:42 PDT 2025


Add nodes for LVDS/DISPLAY CSR.

Add clock-ldb-pll-div7 node which is used for clock source of DISPLAY CSR.

Reviewed-by: Frank Li <Frank.Li at nxp.com>
Reviewed-by: Abel Vesa <abel.vesa at linaro.org>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx943.dtsi | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dts/freescale/imx943.dtsi
index 45b8da758e87771c0775eb799ce2da3aac37c060..657c81b6016f21270a1b13d636af72c14ab4f8ef 100644
--- a/arch/arm64/boot/dts/freescale/imx943.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx943.dtsi
@@ -3,6 +3,8 @@
  * Copyright 2025 NXP
  */
 
+#include <dt-bindings/clock/nxp,imx94-clock.h>
+
 #include "imx94.dtsi"
 
 / {
@@ -145,4 +147,36 @@ l3_cache: l3-cache {
 			cache-unified;
 		};
 	};
+
+	clock-ldb-pll-div7 {
+		compatible = "fixed-factor-clock";
+		#clock-cells = <0>;
+		clocks = <&scmi_clk IMX94_CLK_LDBPLL>;
+		clock-div = <7>;
+		clock-mult = <1>;
+		clock-output-names = "ldb_pll_div7";
+	};
+
+	soc {
+		dispmix_csr: syscon at 4b010000 {
+			compatible = "nxp,imx94-display-csr", "syscon";
+			reg = <0x0 0x4b010000 0x0 0x10000>;
+			clocks = <&scmi_clk IMX94_CLK_DISPAPB>;
+			#clock-cells = <1>;
+			power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
+			assigned-clocks = <&scmi_clk IMX94_CLK_DISPAXI>,
+					  <&scmi_clk IMX94_CLK_DISPAPB>;
+			assigned-clock-parents = <&scmi_clk IMX94_CLK_SYSPLL1_PFD1>,
+						 <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>;
+			assigned-clock-rates = <400000000>,  <133333333>;
+		};
+
+		lvds_csr: syscon at 4b0c0000 {
+			compatible = "nxp,imx94-lvds-csr", "syscon";
+			reg = <0x0 0x4b0c0000 0x0 0x10000>;
+			clocks = <&scmi_clk IMX94_CLK_DISPAPB>;
+			#clock-cells = <1>;
+			power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
+		};
+	};
 };

-- 
2.37.1




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