mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-01 15:14:52 +00:00
f8c667edaf
Add bindings for the GPU present in Apple SoCs Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Sven Peter <sven@kernel.org> Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com> Link: https://lore.kernel.org/r/20250710-sgx-dt-v3-1-299bb3a65109@gmail.com Signed-off-by: Sven Peter <sven@kernel.org>
95 lines
2.3 KiB
YAML
95 lines
2.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/gpu/apple,agx.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Apple SoC GPU
|
|
|
|
maintainers:
|
|
- Sasha Finkelstein <fnkl.kernel@gmail.com>
|
|
|
|
properties:
|
|
compatible:
|
|
oneOf:
|
|
- enum:
|
|
- apple,agx-g13g
|
|
- apple,agx-g13s
|
|
- apple,agx-g14g
|
|
- items:
|
|
- enum:
|
|
- apple,agx-g13c
|
|
- apple,agx-g13d
|
|
- const: apple,agx-g13s
|
|
|
|
reg:
|
|
items:
|
|
- description: GPU coprocessor control registers
|
|
- description: GPU block MMIO registers
|
|
|
|
reg-names:
|
|
items:
|
|
- const: asc
|
|
- const: sgx
|
|
|
|
power-domains:
|
|
maxItems: 1
|
|
|
|
mboxes:
|
|
maxItems: 1
|
|
|
|
memory-region:
|
|
items:
|
|
- description: Region containing GPU MMU TTBs
|
|
- description: Region containing GPU MMU page tables
|
|
- description:
|
|
Region containing a shared handoff structure for VM
|
|
management coordination
|
|
- description: Calibration blob. Mostly power-related configuration
|
|
- description: Calibration blob. Mostly GPU-related configuration
|
|
- description: Shared global variables with GPU firmware
|
|
|
|
memory-region-names:
|
|
items:
|
|
- const: ttbs
|
|
- const: pagetables
|
|
- const: handoff
|
|
- const: hw-cal-a
|
|
- const: hw-cal-b
|
|
- const: globals
|
|
|
|
apple,firmware-abi:
|
|
$ref: /schemas/types.yaml#/definitions/uint32-array
|
|
minItems: 3
|
|
description:
|
|
macOS version the current firmware is paired with, used to pick
|
|
the version of firmware ABI to be used.
|
|
Bootloader will overwrite this
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- mboxes
|
|
- memory-region
|
|
- apple,firmware-abi
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
gpu@6400000 {
|
|
compatible = "apple,agx-g13g";
|
|
reg = <0x6400000 0x40000>,
|
|
<0x4000000 0x1000000>;
|
|
reg-names = "asc", "sgx";
|
|
mboxes = <&agx_mbox>;
|
|
power-domains = <&ps_gfx>;
|
|
memory-region = <&uat_ttbs>, <&uat_pagetables>, <&uat_handoff>,
|
|
<&gpu_hw_cal_a>, <&gpu_hw_cal_b>, <&gpu_globals>;
|
|
memory-region-names = "ttbs", "pagetables", "handoff",
|
|
"hw-cal-a", "hw-cal-b", "globals";
|
|
|
|
apple,firmware-abi = <0 0 0>;
|
|
};
|
|
...
|