linux-kernel - [PATCH v4 09/10] arm64: dts: sparx5: Add Sparx5 SoC DPLL clock

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Message-ID: <20200727084211.6632-10-lars.povlsen@microchip.com>
Date:   Mon, 27 Jul 2020 10:42:10 +0200
From:   Lars Povlsen <lars.povlsen@...rochip.com>
To:     SoC Team <soc@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
CC:     Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Olof Johansson <olof@...om.net>,
        "Michael Turquette" <mturquette@...libre.com>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH v4 09/10] arm64: dts: sparx5: Add Sparx5 SoC DPLL clock

This adds a DPLL clock to the Sparx5 SoC. It is used to generate clock
to misc peripherals, specifically the SDHCI/eMMC controller.

Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
---
 arch/arm64/boot/dts/microchip/sparx5.dtsi | 39 +++++++++++++----------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi
index baf4176ce1dfe..161846caf9c94 100644
--- a/arch/arm64/boot/dts/microchip/sparx5.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi
@@ -72,20 +72,29 @@ timer {
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
 	};
 
-	clocks: clocks {
-		#address-cells = <2>;
-		#size-cells = <1>;
-		ranges;
-		ahb_clk: ahb-clk {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <250000000>;
-		};
-		sys_clk: sys-clk {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <625000000>;
-		};
+	lcpll_clk: lcpll-clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <2500000000>;
+	};
+
+	clks: clock-controller@...10000c {
+		compatible = "microchip,sparx5-dpll";
+		#clock-cells = <1>;
+		clocks = <&lcpll_clk>;
+		reg = <0x6 0x1110000c 0x24>;
+	};
+
+	ahb_clk: ahb-clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <250000000>;
+	};
+
+	sys_clk: sys-clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <625000000>;
 	};
 
 	axi: axi@...000000 {
@@ -161,8 +170,6 @@ uart2_pins: uart2-pins {
 				pins = "GPIO_26", "GPIO_27";
 				function = "uart2";
 			};
-
 		};
-
 	};
 };
-- 
2.27.0