Messages in this thread Patch in this message | | | From | Yingjoe Chen <> | Subject | [PATCH v2 8/9] ARM: dts: mt8135: enable basic SMP bringup for mt8135 | Date | Sat, 16 May 2015 15:58:29 +0800 |
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Add arch timer node to enable arch-timer support. MT8135 firmware doesn't correctly setup arch-timer frequency and CNTVOFF, add properties to workaround this.
This also set cpu enable-method to enable SMP.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com> --- arch/arm/boot/dts/mt8135.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/arch/arm/boot/dts/mt8135.dtsi b/arch/arm/boot/dts/mt8135.dtsi index a161e99..cc8a8c9 100644 --- a/arch/arm/boot/dts/mt8135.dtsi +++ b/arch/arm/boot/dts/mt8135.dtsi @@ -43,6 +43,7 @@ cpus { #address-cells = <1>; #size-cells = <0>; + enable-method = "mediatek,mt81xx-tz-smp"; cpu0: cpu@0 { device_type = "cpu"; @@ -95,6 +96,21 @@ }; + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_LOW)>; + clock-frequency = <13000000>; + arm,cpu-registers-not-fw-configured; + }; + soc { #address-cells = <2>; #size-cells = <2>; -- 1.8.1.1.dirty
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