| Message ID | 20191002060455.3834-2-l.luba@partner.samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Exynos5 DMC interrupt mode | expand |
On Wed, Oct 02, 2019 at 08:04:52AM +0200, Lukasz Luba wrote: > Add description for optional interrupt lines. It provides a new operation > mode, which uses internal performance counters interrupt when overflow. > This is more reliable than using default polling mode implemented in > devfreq. > > Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> > --- > .../bindings/memory-controllers/exynos5422-dmc.txt | 11 +++++++++++ Thanks, applied. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt index 02aeb3b5a820..e2434cac4858 100644 --- a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt +++ b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt @@ -31,6 +31,14 @@ Required properties for DMC device for Exynos5422: The register offsets are in the driver code and specyfic for this SoC type. +Optional properties for DMC device for Exynos5422: +- interrupt-parent : The parent interrupt controller. +- interrupts : Contains the IRQ line numbers for the DMC internal performance + event counters in DREX0 and DREX1 channels. Align with specification of the + interrupt line(s) in the interrupt-parent controller. +- interrupt-names : IRQ names "drex_0" and "drex_1", the order should be the + same as in the 'interrupts' list above. + Example: ppmu_dmc0_0: ppmu@10d00000 { @@ -70,4 +78,7 @@ Example: device-handle = <&samsung_K3QF2F20DB>; vdd-supply = <&buck1_reg>; samsung,syscon-clk = <&clock>; + interrupt-parent = <&combiner>; + interrupts = <16 0>, <16 1>; + interrupt-names = "drex_0", "drex_1"; };
Add description for optional interrupt lines. It provides a new operation mode, which uses internal performance counters interrupt when overflow. This is more reliable than using default polling mode implemented in devfreq. Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> --- .../bindings/memory-controllers/exynos5422-dmc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+)