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dt-bindings: Updates for v4.12-rc1

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This contains an update for the flow controller device tree binding as
 well as the addition of the binding for the GP10B GPU found on the new
 Tegra186 (Parker) SoC.
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Merge tag 'tegra-for-4.12-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt

dt-bindings: Updates for v4.12-rc1

This contains an update for the flow controller device tree binding as
well as the addition of the binding for the GP10B GPU found on the new
Tegra186 (Parker) SoC.

* tag 'tegra-for-4.12-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  dt-bindings: Add documentation for GP10B GPU
  dt-bindings: tegra: Update compatible strings for Tegra flowctrl

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2017-04-19 06:28:42 -07:00
commit e1851247a0
2 changed files with 31 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-flowctrl.txt
View File

@ -1,7 +1,13 @@
NVIDIA Tegra Flow Controller
Required properties:
- compatible: Should be "nvidia,tegra<chip>-flowctrl"
- compatible: Should contain one of the following:
- "nvidia,tegra20-flowctrl": for Tegra20
- "nvidia,tegra30-flowctrl": for Tegra30
- "nvidia,tegra114-flowctrl": for Tegra114
- "nvidia,tegra124-flowctrl": for Tegra124
- "nvidia,tegra132-flowctrl", "nvidia,tegra124-flowctrl": for Tegra132
- "nvidia,tegra210-flowctrl": for Tegra210
- reg: Should contain one register range (address and length)
Example:

25
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
View File

@ -5,6 +5,7 @@ Required properties:
Currently recognized values:
- nvidia,gk20a
- nvidia,gm20b
- nvidia,gp10b
- reg: Physical base address and length of the controller's registers.
Must contain two entries:
- first entry for bar0
@ -14,7 +15,8 @@ Required properties:
- interrupt-names: Must include the following entries:
- stall
- nonstall
- vdd-supply: regulator for supply voltage.
- vdd-supply: regulator for supply voltage. Only required for GPUs not using
power domains.
- clocks: Must contain an entry for each entry in clock-names.
See ../clocks/clock-bindings.txt for details.
- clock-names: Must include the following entries:
@ -27,6 +29,8 @@ is also required:
See ../reset/reset.txt for details.
- reset-names: Must include the following entries:
- gpu
- power-domains: GPUs that make use of power domains can define this property
instead of vdd-supply. Currently "nvidia,gp10b" makes use of this.
Optional properties:
- iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details.
@ -68,3 +72,22 @@ Example for GM20B:
iommus = <&mc TEGRA_SWGROUP_GPU>;
status = "disabled";
};
Example for GP10B:
gpu@17000000 {
compatible = "nvidia,gp10b";
reg = <0x0 0x17000000 0x0 0x1000000>,
<0x0 0x18000000 0x0 0x1000000>;
interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH
GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "stall", "nonstall";
clocks = <&bpmp TEGRA186_CLK_GPCCLK>,
<&bpmp TEGRA186_CLK_GPU>;
clock-names = "gpu", "pwr";
resets = <&bpmp TEGRA186_RESET_GPU>;
reset-names = "gpu";
power-domains = <&bpmp TEGRA186_POWER_DOMAIN_GPU>;
iommus = <&smmu TEGRA186_SID_GPU>;
status = "disabled";
};