From e610cdfc8ab936ad734cf15a414574b69001b634 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Sat, 12 Dec 2015 06:42:05 +0000
Subject: ramips: use gic timer as clocksource for mt7621

* Switches clocksource to gic timer.
* Moves frequency definitions to dtsi since frequency was hardcoded anyway
  Will work on proper frequency detection later.

Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>

SVN-Revision: 47875
---
 target/linux/ramips/dts/mt7621.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'target/linux/ramips/dts/mt7621.dtsi')

diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index a06aee733b..9c6f45b1e0 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -22,6 +22,22 @@
 		compatible = "mti,cpu-interrupt-controller";
 	};
 
+	cpuclock: cpuclock@0 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+
+		/* FIXME: there should be way to detect this */
+		clock-frequency = <880000000>;
+	};
+
+	sysclock: sysclock@0 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+
+		/* FIXME: there should be way to detect this */
+		clock-frequency = <50000000>;
+	};
+
 	palmbus@1E000000 {
 		compatible = "palmbus";
 		reg = <0x1E000000 0x100000>;
@@ -88,6 +104,8 @@
 			compatible = "ns16550a";
 			reg = <0xc00 0x100>;
 
+			clocks = <&sysclock>;
+
 			interrupt-parent = <&gic>;
 			interrupts = <GIC_SHARED 26 IRQ_TYPE_LEVEL_HIGH>;
 
@@ -102,6 +120,8 @@
 			compatible = "ralink,mt7621-spi";
 			reg = <0xb00 0x100>;
 
+			clocks = <&sysclock>;
+
 			resets = <&rstctrl 18>;
 			reset-names = "spi";
 
@@ -243,6 +263,12 @@
 		#interrupt-cells = <3>;
 
 		mti,reserved-cpu-vectors = <7>;
+
+		timer {
+			compatible = "mti,gic-timer";
+			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+			clocks = <&cpuclock>;
+		};
 	};
 
 	nand@1e003000 {
-- 
cgit v1.2.3