[PATCH 1/2] dt-bindings: msm/disp: Remove DPU RSC device bindings
From: Rajesh Yadav <hidden>
Date: 2018-03-23 17:43:54
Also in:
dri-devel, linux-arm-msm
Subsystem:
drm driver for qualcomm display hardware, drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Clark, Dmitry Baryshkov, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Display controller's power resources and bus bandwidth voting is controlled by DPU device. Remove DPU RSC (hardware block for DPU power resource control) device support. Signed-off-by: Rajesh Yadav <redacted> --- .../devicetree/bindings/display/msm/dpu-rsc.txt | 96 ---------------------- 1 file changed, 96 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/msm/dpu-rsc.txt
diff --git a/Documentation/devicetree/bindings/display/msm/dpu-rsc.txt b/Documentation/devicetree/bindings/display/msm/dpu-rsc.txt
deleted file mode 100644
index f5fbcda..0000000
--- a/Documentation/devicetree/bindings/display/msm/dpu-rsc.txt
+++ /dev/null@@ -1,96 +0,0 @@ -Qualcomm Technologies, Inc. DPU RSC - -Snapdragon Display Engine implements display rsc to driver -display core to different modes for power saving - -Required properties -- compatible: Must be "qcom,dpu-rsc" -- reg: Offset and length of the register set for - the device. -- reg-names: Names to refer to register sets related - to this device - -Optional properties: -- clocks: List of phandles for clock device nodes - needed by the device. -- clock-names: List of clock names needed by the device. -- vdd-supply: phandle for vdd regulator device node. -- qcom,dpu-rsc-version: U32 property represents the rsc version. It helps to - select correct sequence for dpu rsc based on version. -- qcom,dpu-dram-channels: U32 property represents the number of channels in the - Bus memory controller. -- qcom,dpu-num-nrt-paths: U32 property represents the number of non-realtime - paths in each Bus Scaling Usecase. This value depends on - number of AXI ports that are dedicated to non-realtime VBIF - for particular chipset. - These paths must be defined after rt-paths in - "qcom,msm-bus,vectors-KBps" vector request. - -Bus Scaling Subnodes: -- qcom,dpu-data-bus: Property to provide Bus scaling for data bus access for - dpu blocks. -- qcom,dpu-llcc-bus: Property to provide Bus scaling for data bus access for - mnoc to llcc. -- qcom,dpu-ebi-bus: Property to provide Bus scaling for data bus access for - llcc to ebi. - -Bus Scaling Data: -- qcom,msm-bus,name: String property describing client name. -- qcom,msm-bus,active-only: Boolean context flag for requests in active or - dual (active & sleep) contex -- qcom,msm-bus,num-cases: This is the number of Bus Scaling use cases - defined in the vectors property. -- qcom,msm-bus,num-paths: This represents the number of paths in each - Bus Scaling Usecase. -- qcom,msm-bus,vectors-KBps: * A series of 4 cell properties, with a format - of (src, dst, ab, ib) which is defined at - Documentation/devicetree/bindings/arm/msm/msm_bus.txt - * Current values of src & dst are defined at - include/linux/msm-bus-board.h -Example: - dpu_rscc { - cell-index = <0>; - compatible = "qcom,dpu-rsc"; - reg = <0xaf20000 0x1c44>, - <0xaf30000 0x3fd4>; - reg-names = "drv", "wrapper"; - clocks = <&clock_mmss clk_mdss_ahb_clk>, - <&clock_mmss clk_mdss_axi_clk>; - clock-names = "iface_clk", "bus_clk"; - vdd-supply = <&gdsc_mdss>; - - qcom,dpu-rsc-version = <1>; - qcom,dpu-dram-channels = <2>; - qcom,dpu-num-nrt-paths = <1>; - - qcom,dpu-data-bus { - qcom,msm-bus,name = "dpu_rsc"; - qcom,msm-bus,active-only; - qcom,msm-bus,num-cases = <3>; - qcom,msm-bus,num-paths = <2>; - qcom,msm-bus,vectors-KBps = - <22 512 0 0>, <23 512 0 0>, - <22 512 0 6400000>, <23 512 0 6400000>, - <22 512 0 6400000>, <23 512 0 6400000>; - }; - qcom,dpu-llcc-bus { - qcom,msm-bus,name = "dpu_rsc_llcc"; - qcom,msm-bus,active-only; - qcom,msm-bus,num-cases = <3>; - qcom,msm-bus,num-paths = <1>; - qcom,msm-bus,vectors-KBps = - <20001 20513 0 0>, - <20001 20513 0 6400000>, - <20001 20513 0 6400000>; - }; - qcom,dpu-ebi-bus { - qcom,msm-bus,name = "dpu_rsc_ebi"; - qcom,msm-bus,active-only; - qcom,msm-bus,num-cases = <3>; - qcom,msm-bus,num-paths = <1>; - qcom,msm-bus,vectors-KBps = - <20000 20512 0 0>, - <20000 20512 0 6400000>, - <20000 20512 0 6400000>; - }; - };
--
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