linux-kernel - [PATCH v2 3/3] ARM64: dts: enable clock support for Broadcom NS2

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Message-ID: <1447974309-29566-4-git-send-email-jonmason@broadcom.com>
Date:	Thu, 19 Nov 2015 18:05:09 -0500
From:	Jon Mason <jonmason@...adcom.com>
To:	Florian Fainelli <f.fainelli@...il.com>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Russell King" <linux@....linux.org.uk>
CC:	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	<bcm-kernel-feedback-list@...adcom.com>
Subject: [PATCH v2 3/3] ARM64: dts: enable clock support for Broadcom NS2

Add device tree entries for clock support for Broadcom Northstar 2 SoC

Signed-off-by: Jon Mason <jonmason@...adcom.com>
---
 arch/arm64/boot/dts/broadcom/ns2.dtsi | 80 ++++++++++++++++++++++++++++++++++-
 1 file changed, 79 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index 9610822..a510d3a 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -31,6 +31,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/bcm-ns2.h>
 
 /memreserve/ 0x84b00000 0x00000008;
 
@@ -109,6 +110,33 @@
 				     <&A57_3>;
 	};
 
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		osc: oscillator {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <25000000>;
+		};
+
+		iprocmed: iprocmed {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clocks = <&genpll_scr BCM_NS2_GENPLL_SCR_SCR_CLK>;
+			clock-div = <2>;
+			clock-mult = <1>;
+		};
+
+		iprocslow: iprocslow {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clocks = <&genpll_scr BCM_NS2_GENPLL_SCR_SCR_CLK>;
+			clock-div = <4>;
+			clock-mult = <1>;
+		};
+	};
+
 	soc: soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -156,6 +184,56 @@
 			mmu-masters;
 		};
 
+		lcpll_ddr: lcpll_ddr@...1d058 {
+			#clock-cells = <1>;
+			compatible = "brcm,ns2-lcpll-ddr";
+			reg = <0x6501d058 0x20>,
+			      <0x6501c020 0x4>,
+			      <0x6501d04c 0x4>;
+			clocks = <&osc>;
+			clock-output-names = "lcpll_ddr", "pcie_sata_usb",
+					     "ddr", "ddr_ch2_unused",
+					     "ddr_ch3_unused", "ddr_ch4_unused",
+					     "ddr_ch5_unused";
+		};
+
+		lcpll_ports: lcpll_ports@...1d078 {
+			#clock-cells = <1>;
+			compatible = "brcm,ns2-lcpll-ports";
+			reg = <0x6501d078 0x20>,
+			      <0x6501c020 0x4>,
+			      <0x6501d054 0x4>;
+			clocks = <&osc>;
+			clock-output-names = "lcpll_ports", "wan", "rgmii",
+					     "ports_ch2_unused",
+					     "ports_ch3_unused",
+					     "ports_ch4_unused",
+					     "ports_ch5_unused";
+		};
+
+		genpll_scr: genpll_scr@...1d098 {
+			#clock-cells = <1>;
+			compatible = "brcm,ns2-genpll-scr";
+			reg = <0x6501d098 0x32>,
+			      <0x6501c020 0x4>,
+			      <0x6501d044 0x4>;
+			clocks = <&osc>;
+			clock-output-names = "genpll_scr", "scr", "fs",
+					     "audio_ref", "scr_ch3_unused",
+					     "scr_ch4_unused", "scr_ch5_unused";
+		};
+
+		genpll_sw: genpll_sw@...1d0c4 {
+			#clock-cells = <1>;
+			compatible = "brcm,ns2-genpll-sw";
+			reg = <0x6501d0c4 0x32>,
+			      <0x6501c020 0x4>,
+			      <0x6501d044 0x4>;
+			clocks = <&osc>;
+			clock-output-names = "genpll_sw", "rpe", "250", "nic",
+					     "chimp", "port", "sdio";
+		};
+
 		crmu: crmu@...24000 {
 			compatible = "syscon";
 			reg = <0x65024000 0x100>;
@@ -204,7 +282,7 @@
 			interrupts = <GIC_SPI 393 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
-			clock-frequency = <23961600>;
+			clocks = <&osc>;
 			status = "disabled";
 		};
 
-- 
1.9.1

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