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-rw-r--r--Documentation/devicetree/bindings/display/msm/gpu.txt38
1 files changed, 12 insertions, 26 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index 67d0a58dbb77..43fac0fe09bb 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -1,23 +1,19 @@
Qualcomm adreno/snapdragon GPU
Required properties:
-- compatible: "qcom,adreno-3xx"
+- compatible: "qcom,adreno-XYZ.W", "qcom,adreno"
+ for example: "qcom,adreno-306.0", "qcom,adreno"
+ Note that you need to list the less specific "qcom,adreno" (since this
+ is what the device is matched on), in addition to the more specific
+ with the chip-id.
- 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.
+ * "core"
+ * "iface"
+ * "mem_iface"
Example:
@@ -25,28 +21,18 @@ Example:
...
gpu: qcom,kgsl-3d0@4300000 {
- compatible = "qcom,adreno-3xx";
+ compatible = "qcom,adreno-320.2", "qcom,adreno";
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";
+ "core",
+ "iface",
+ "mem_iface";
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>;
- };
- };
};
};