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authorSascha Hauer <s.hauer@pengutronix.de>2018-09-11 08:26:30 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2018-09-11 17:23:13 +0200
commit35f607bc7da71b302fd6bf3d6d48d7ea66df1195 (patch)
treedd2cf14c56430d21079c794fa6e03d7f5d91070e /dts/Bindings/timer/mediatek,mtk-timer.txt
parent625eea2765d94aee016cf25d9cabecde8eae0775 (diff)
downloadbarebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.gz
barebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.xz
dts: update to v4.19-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/timer/mediatek,mtk-timer.txt')
-rw-r--r--dts/Bindings/timer/mediatek,mtk-timer.txt34
1 files changed, 20 insertions, 14 deletions
diff --git a/dts/Bindings/timer/mediatek,mtk-timer.txt b/dts/Bindings/timer/mediatek,mtk-timer.txt
index b1fe7e9de1..18d4d0166c 100644
--- a/dts/Bindings/timer/mediatek,mtk-timer.txt
+++ b/dts/Bindings/timer/mediatek,mtk-timer.txt
@@ -1,19 +1,25 @@
-Mediatek MT6577, MT6572 and MT6589 Timers
----------------------------------------
+Mediatek Timers
+---------------
+
+Mediatek SoCs have two different timers on different platforms,
+- GPT (General Purpose Timer)
+- SYST (System Timer)
+
+The proper timer will be selected automatically by driver.
Required properties:
- compatible should contain:
- * "mediatek,mt2701-timer" for MT2701 compatible timers
- * "mediatek,mt6580-timer" for MT6580 compatible timers
- * "mediatek,mt6589-timer" for MT6589 compatible timers
- * "mediatek,mt7623-timer" for MT7623 compatible timers
- * "mediatek,mt8127-timer" for MT8127 compatible timers
- * "mediatek,mt8135-timer" for MT8135 compatible timers
- * "mediatek,mt8173-timer" for MT8173 compatible timers
- * "mediatek,mt6577-timer" for MT6577 and all above compatible timers
-- reg: Should contain location and length for timers register.
-- clocks: Clocks driving the timer hardware. This list should include two
- clocks. The order is system clock and as second clock the RTC clock.
+ * "mediatek,mt2701-timer" for MT2701 compatible timers (GPT)
+ * "mediatek,mt6580-timer" for MT6580 compatible timers (GPT)
+ * "mediatek,mt6589-timer" for MT6589 compatible timers (GPT)
+ * "mediatek,mt7623-timer" for MT7623 compatible timers (GPT)
+ * "mediatek,mt8127-timer" for MT8127 compatible timers (GPT)
+ * "mediatek,mt8135-timer" for MT8135 compatible timers (GPT)
+ * "mediatek,mt8173-timer" for MT8173 compatible timers (GPT)
+ * "mediatek,mt6577-timer" for MT6577 and all above compatible timers (GPT)
+ * "mediatek,mt6765-timer" for MT6765 compatible timers (SYST)
+- reg: Should contain location and length for timer register.
+- clocks: Should contain system clock.
Examples:
@@ -21,5 +27,5 @@ Examples:
compatible = "mediatek,mt6577-timer";
reg = <0x10008000 0x80>;
interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&system_clk>, <&rtc_clk>;
+ clocks = <&system_clk>;
};