[PATCH v2 02/30] arm64: dts: rockchip: Add clock generators for RK3528 SoC

[Jonas Karlman]

From: Yao Zi <ziyao at disroot.org>

Add dt node for RK3528 clock and reset unit. Clock "gmac0_clk" is
generated by internal Ethernet phy, a fixed clock node is added as a
placeholder to avoid orphans.

Signed-off-by: Yao Zi <ziyao at disroot.org>
Link: https://lore.kernel.org/r/20250217061142.38480-9-ziyao@disroot.org
Signed-off-by: Heiko Stuebner <heiko at sntech.de>

[ upstream commit: 858cdcdd11cf9913756297d3869e4de0f01329ea ]

(cherry picked from commit 60741472b42e92d2393327cb70669ab90e3b382f)
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 dts/upstream/src/arm64/rockchip/rk3528.dtsi | 51 +++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/dts/upstream/src/arm64/rockchip/rk3528.dtsi b/dts/upstream/src/arm64/rockchip/rk3528.dtsi
index e58faa985aa4..37fd40377076 100644
--- a/dts/upstream/src/arm64/rockchip/rk3528.dtsi
+++ b/dts/upstream/src/arm64/rockchip/rk3528.dtsi
@@ -6,6 +6,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/rockchip,rk3528-cru.h>
 
 / {
 	compatible = "rockchip,rk3528";
@@ -95,6 +96,13 @@
 		#clock-cells = <0>;
 	};
 
+	gmac0_clk: clock-gmac50m {
+		compatible = "fixed-clock";
+		clock-frequency = <50000000>;
+		clock-output-names = "gmac0";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		ranges = <0x0 0xfe000000 0x0 0xfe000000 0x0 0x2000000>;
@@ -114,6 +122,49 @@
 			#interrupt-cells = <3>;
 		};
 
+		cru: clock-controller at ff4a0000 {
+			compatible = "rockchip,rk3528-cru";
+			reg = <0x0 0xff4a0000 0x0 0x30000>;
+			assigned-clocks =
+				<&cru XIN_OSC0_DIV>, <&cru PLL_GPLL>,
+				<&cru PLL_PPLL>, <&cru PLL_CPLL>,
+				<&cru ARMCLK>, <&cru CLK_MATRIX_250M_SRC>,
+				<&cru CLK_MATRIX_500M_SRC>,
+				<&cru CLK_MATRIX_50M_SRC>,
+				<&cru CLK_MATRIX_100M_SRC>,
+				<&cru CLK_MATRIX_150M_SRC>,
+				<&cru CLK_MATRIX_200M_SRC>,
+				<&cru CLK_MATRIX_300M_SRC>,
+				<&cru CLK_MATRIX_339M_SRC>,
+				<&cru CLK_MATRIX_400M_SRC>,
+				<&cru CLK_MATRIX_600M_SRC>,
+				<&cru CLK_PPLL_50M_MATRIX>,
+				<&cru CLK_PPLL_100M_MATRIX>,
+				<&cru CLK_PPLL_125M_MATRIX>,
+				<&cru ACLK_BUS_VOPGL_ROOT>;
+			assigned-clock-rates =
+				<32768>, <1188000000>,
+				<1000000000>, <996000000>,
+				<408000000>, <250000000>,
+				<500000000>,
+				<50000000>,
+				<100000000>,
+				<150000000>,
+				<200000000>,
+				<300000000>,
+				<340000000>,
+				<400000000>,
+				<600000000>,
+				<50000000>,
+				<100000000>,
+				<125000000>,
+				<500000000>;
+			clocks = <&xin24m>, <&gmac0_clk>;
+			clock-names = "xin24m", "gmac0";
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
 		uart0: serial at ff9f0000 {
 			compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart";
 			reg = <0x0 0xff9f0000 0x0 0x100>;
-- 
2.49.0