[PATCH v4 4/5] arm64: dts: mediatek: add clock support for mt7986a

[Sam Shih]

Add clock controller nodes, include 40M clock source, topckgen,
infracfg, apmixedsys and ethernet subsystem.

Signed-off-by: Sam Shih <sam.shih at mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 68 +++++++++++++++++++++--
 1 file changed, 63 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 75912bcf6c9c..a8cf0eb79688 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -6,6 +6,7 @@
 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/mt7986-clk.h>
 
 / {
 	compatible = "mediatek,mt7986a";
@@ -13,10 +14,11 @@ / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	system_clk: dummy40m {
+	clk40m: oscillator at 0 {
 		compatible = "fixed-clock";
 		clock-frequency = <40000000>;
 		#clock-cells = <0>;
+		clock-output-names = "clkxtal";
 	};
 
 	cpus {
@@ -99,6 +101,18 @@ gic: interrupt-controller at c000000 {
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		infracfg: infracfg at 10001000 {
+			compatible = "mediatek,mt7986-infracfg", "syscon";
+			reg = <0 0x10001000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		topckgen: topckgen at 1001b000 {
+			compatible = "mediatek,mt7986-topckgen", "syscon";
+			reg = <0 0x1001B000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
 		watchdog: watchdog at 1001c000 {
 			compatible = "mediatek,mt7986-wdt",
 				     "mediatek,mt6589-wdt";
@@ -108,11 +122,31 @@ watchdog: watchdog at 1001c000 {
 			status = "disabled";
 		};
 
+		apmixedsys: apmixedsys at 1001e000 {
+			compatible = "mediatek,mt7986-apmixedsys";
+			reg = <0 0x1001E000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		sgmiisys0: syscon at 10060000 {
+			compatible = "mediatek,mt7986-sgmiisys_0",
+				     "syscon";
+			reg = <0 0x10060000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		sgmiisys1: syscon at 10070000 {
+			compatible = "mediatek,mt7986-sgmiisys_1",
+				     "syscon";
+			reg = <0 0x10070000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
 		trng: trng at 1020f000 {
 			compatible = "mediatek,mt7986-rng",
 				     "mediatek,mt7623-rng";
 			reg = <0 0x1020f000 0 0x100>;
-			clocks = <&system_clk>;
+			clocks = <&infracfg CLK_INFRA_TRNG_CK>;
 			clock-names = "rng";
 			status = "disabled";
 		};
@@ -122,7 +156,13 @@ uart0: serial at 11002000 {
 				     "mediatek,mt6577-uart";
 			reg = <0 0x11002000 0 0x400>;
 			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&system_clk>;
+			clocks = <&infracfg CLK_INFRA_UART0_SEL>,
+				 <&infracfg CLK_INFRA_UART0_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&topckgen CLK_TOP_UART_SEL>,
+					  <&infracfg CLK_INFRA_UART0_SEL>;
+			assigned-clock-parents = <&topckgen CLK_TOP_XTAL>,
+						 <&topckgen CLK_TOP_UART_SEL>;
 			status = "disabled";
 		};
 
@@ -131,7 +171,11 @@ uart1: serial at 11003000 {
 				     "mediatek,mt6577-uart";
 			reg = <0 0x11003000 0 0x400>;
 			interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&system_clk>;
+			clocks = <&infracfg CLK_INFRA_UART1_SEL>,
+				 <&infracfg CLK_INFRA_UART1_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&infracfg CLK_INFRA_UART1_SEL>;
+			assigned-clock-parents = <&topckgen CLK_TOP_F26M_SEL>;
 			status = "disabled";
 		};
 
@@ -140,10 +184,24 @@ uart2: serial at 11004000 {
 				     "mediatek,mt6577-uart";
 			reg = <0 0x11004000 0 0x400>;
 			interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&system_clk>;
+			clocks = <&infracfg CLK_INFRA_UART2_SEL>,
+				 <&infracfg CLK_INFRA_UART2_CK>;
+			clock-names = "baud", "bus";
+			assigned-clocks = <&infracfg CLK_INFRA_UART2_SEL>;
+			assigned-clock-parents = <&topckgen CLK_TOP_F26M_SEL>;
 			status = "disabled";
 		};
 
+		ethsys: syscon at 15000000 {
+			 #address-cells = <1>;
+			 #size-cells = <1>;
+			 compatible = "mediatek,mt7986-ethsys",
+				      "syscon";
+			 reg = <0 0x15000000 0 0x1000>;
+			 #clock-cells = <1>;
+			 #reset-cells = <1>;
+		};
+
 	};
 
 };
-- 
2.29.2