ARC Timers have historically been probed directly. As precursor to start probing Timers thru DT introduce these bindings Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> --- .../devicetree/bindings/timer/snps,arc-timer0.txt | 23 ++++++++++++++++++++++ .../devicetree/bindings/timer/snps,arc-timer1.txt | 17 ++++++++++++++++ .../devicetree/bindings/timer/snps,archs-gfrc.txt | 14 +++++++++++++ .../devicetree/bindings/timer/snps,archs-rtc.txt | 14 +++++++++++++ arch/arc/boot/dts/abilis_tb10x.dtsi | 12 +++++++++++ arch/arc/boot/dts/skeleton.dtsi | 12 +++++++++++ arch/arc/boot/dts/skeleton_hs.dtsi | 12 +++++++++++ arch/arc/boot/dts/skeleton_hs_idu.dtsi | 12 +++++++++++ 8 files changed, 116 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/snps,arc-timer0.txt create mode 100644 Documentation/devicetree/bindings/timer/snps,arc-timer1.txt create mode 100644 Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt create mode 100644 Documentation/devicetree/bindings/timer/snps,archs-rtc.txt diff --git a/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt b/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt new file mode 100644 index 000000000000..ceb80c72a90b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,arc-timer0.txt @@ -0,0 +1,23 @@ +Synopsys ARC Local Timer with Interrupt Capabilities +- Found on all ARC CPUs (ARC700/ARCHS) +- Mandatory clockevent provider + +Required properties: + +- compatible : should be "snps,arc-timer0" +- interrupts : single Interrupt going into parent intc + (16 for ARCHS cores, 3 for ARC700 cores) +- clocks : phandle to the source clock + +Optional properties: + +- interrupt-parent : phandle to parent intc + +Example: + + timer0: timer_clkevt { + compatible = "snps,arc-timer0"; + interrupts = <3>; + interrupt-parent = <&core_intc>; + clocks = <&timer0_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt b/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt new file mode 100644 index 000000000000..4886192ce2f2 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,arc-timer1.txt @@ -0,0 +1,17 @@ +Synopsys ARC Free Running Local 32-bit Timer +- Found on all ARC CPUs (ARC700/ARCHS) +- Mandatory clocksource provider on ARC700 +- Optional clocksource provider on UP ARC HS CPUs + (and if better timer archs-rtc not available in SoC) + +Required properties: + +- compatible : should be "snps,arc-timer1" +- clocks : phandle to the source clock + +Example: + + timer1: timer_clksrc { + compatible = "snps,arc-timer1"; + clocks = <&timer0_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt new file mode 100644 index 000000000000..cce60e16aa0d --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt @@ -0,0 +1,14 @@ +Synopsys ARC Free Running 64-bit Global Timer for ARC HS CPUs +- clocksourc provider for SMP SoC + +Required properties: + +- compatible : should be "snps,archs-gfrc" +- clocks : phandle to the source clock + +Example: + + timer1: timer_clksrc { + compatible = "snps,archs-gfrc"; + clocks = <&timer0_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt new file mode 100644 index 000000000000..f3b49938812b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt @@ -0,0 +1,14 @@ +Synopsys ARC Free Running 64-bit Local Timer for ARC HS CPUs +- clocksourc provider for UP SoC + +Required properties: + +- compatible : should be "snps,archs-rtc" +- clocks : phandle to the source clock + +Example: + + timer1: timer_clksrc { + compatible = "snps,arc-rtc"; + clocks = <&timer0_clk>; + }; diff --git a/arch/arc/boot/dts/abilis_tb10x.dtsi b/arch/arc/boot/dts/abilis_tb10x.dtsi index cfb5052239a1..f9f138efa92c 100644 --- a/arch/arc/boot/dts/abilis_tb10x.dtsi +++ b/arch/arc/boot/dts/abilis_tb10x.dtsi @@ -35,6 +35,18 @@ }; }; + timer0: timer_clkevt { + compatible = "snps,arc-timer0"; + interrupts = <3>; + interrupt-parent = <&intc>; + clocks = <&cpu_clk>; + }; + + timer1: timer_clksrc { + compatible = "snps,arc-timer1"; + clocks = <&cpu_clk>; + }; + soc100 { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi index 296d371a335c..bcb08b36210d 100644 --- a/arch/arc/boot/dts/skeleton.dtsi +++ b/arch/arc/boot/dts/skeleton.dtsi @@ -30,6 +30,18 @@ }; }; + timer0: timer_clkevt { + compatible = "snps,arc-timer0"; + interrupts = <3>; + interrupt-parent = <&core_intc>; + clocks = <&core_clk>; + }; + + timer1: timer_clksrc { + compatible = "snps,arc-timer1"; + clocks = <&core_clk>; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256M */ diff --git a/arch/arc/boot/dts/skeleton_hs.dtsi b/arch/arc/boot/dts/skeleton_hs.dtsi index a53876669030..46c5b05aea90 100644 --- a/arch/arc/boot/dts/skeleton_hs.dtsi +++ b/arch/arc/boot/dts/skeleton_hs.dtsi @@ -25,6 +25,18 @@ }; }; + timer0: timer_clkevt { + compatible = "snps,arc-timer0"; + interrupts = <16>; + interrupt-parent = <&core_intc>; + clocks = <&core_clk>; + }; + + timer1: timer_clksrc { + compatible = "snps,arc-timer1"; + clocks = <&core_clk>; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256M */ diff --git a/arch/arc/boot/dts/skeleton_hs_idu.dtsi b/arch/arc/boot/dts/skeleton_hs_idu.dtsi index 74898d017f7a..2a40bd9e2e2a 100644 --- a/arch/arc/boot/dts/skeleton_hs_idu.dtsi +++ b/arch/arc/boot/dts/skeleton_hs_idu.dtsi @@ -25,6 +25,18 @@ }; }; + timer0: timer_clkevt { + compatible = "snps,arc-timer0"; + interrupts = <16>; + interrupt-parent = <&core_intc>; + clocks = <&core_clk>; + }; + + timer1: timer_clksrc { + compatible = "snps,archs-timer-gfrc"; + clocks = <&core_clk>; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256M */ -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html