mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 07:04:00 +08:00
efdbd7345f
This is a quite large renaming to consolidate display related bindings into a single "display" directory from various scattered locations of video, drm, gpu, fb, mipi, and panel. The prior location was somewhat based on the Linux driver location, but bindings should be independent of that. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org>
53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
Qualcomm adreno/snapdragon GPU
|
|
|
|
Required properties:
|
|
- compatible: "qcom,adreno-3xx"
|
|
- reg: Physical base address and length of the controller's registers.
|
|
- interrupts: The interrupt signal from the gpu.
|
|
- clocks: device clocks
|
|
See ../clocks/clock-bindings.txt for details.
|
|
- clock-names: the following clocks are required:
|
|
* "core_clk"
|
|
* "iface_clk"
|
|
* "mem_iface_clk"
|
|
- qcom,chipid: gpu chip-id. Note this may become optional for future
|
|
devices if we can reliably read the chipid from hw
|
|
- qcom,gpu-pwrlevels: list of operating points
|
|
- compatible: "qcom,gpu-pwrlevels"
|
|
- for each qcom,gpu-pwrlevel:
|
|
- qcom,gpu-freq: requested gpu clock speed
|
|
- NOTE: downstream android driver defines additional parameters to
|
|
configure memory bandwidth scaling per OPP.
|
|
|
|
Example:
|
|
|
|
/ {
|
|
...
|
|
|
|
gpu: qcom,kgsl-3d0@4300000 {
|
|
compatible = "qcom,adreno-3xx";
|
|
reg = <0x04300000 0x20000>;
|
|
reg-names = "kgsl_3d0_reg_memory";
|
|
interrupts = <GIC_SPI 80 0>;
|
|
interrupt-names = "kgsl_3d0_irq";
|
|
clock-names =
|
|
"core_clk",
|
|
"iface_clk",
|
|
"mem_iface_clk";
|
|
clocks =
|
|
<&mmcc GFX3D_CLK>,
|
|
<&mmcc GFX3D_AHB_CLK>,
|
|
<&mmcc MMSS_IMEM_AHB_CLK>;
|
|
qcom,chipid = <0x03020100>;
|
|
qcom,gpu-pwrlevels {
|
|
compatible = "qcom,gpu-pwrlevels";
|
|
qcom,gpu-pwrlevel@0 {
|
|
qcom,gpu-freq = <450000000>;
|
|
};
|
|
qcom,gpu-pwrlevel@1 {
|
|
qcom,gpu-freq = <27000000>;
|
|
};
|
|
};
|
|
};
|
|
};
|