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Message-Id: <deb0a4659423a3b8a74addee7178b6df7679575d.1700668843.git.donald.robson@imgtec.com>
Date: Wed, 22 Nov 2023 16:34:24 +0000
From: Donald Robson <donald.robson@...tec.com>
To: <dri-devel@...ts.freedesktop.org>
CC: <frank.binns@...tec.com>, <matt.coster@...tec.com>,
<boris.brezillon@...labora.com>, <faith.ekstrand@...labora.com>,
<airlied@...il.com>, <daniel@...ll.ch>,
<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
<tzimmermann@...e.de>, <afd@...com>, <hns@...delico.com>,
<matthew.brost@...el.com>, <christian.koenig@....com>,
<luben.tuikov@....com>, <dakr@...hat.com>,
<linux-kernel@...r.kernel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<devicetree@...r.kernel.org>, <corbet@....net>,
<linux-doc@...r.kernel.org>,
Sarah Walker <sarah.walker@...tec.com>,
Linus Walleij <linus.walleij@...aro.org>,
Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v9 03/20] dt-bindings: gpu: Add Imagination Technologies PowerVR/IMG GPU
From: Sarah Walker <sarah.walker@...tec.com>
Add the device tree binding documentation for the IMG AXE GPU used in
TI AM62 SoCs.
Co-developed-by: Frank Binns <frank.binns@...tec.com>
Signed-off-by: Frank Binns <frank.binns@...tec.com>
Signed-off-by: Sarah Walker <sarah.walker@...tec.com>
Signed-off-by: Donald Robson <donald.robson@...tec.com>
Reviewed-by: Maxime Ripard <mripard@...nel.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
Changes since v8:
- Updated maintainer
Changes since v7:
- Updated maintainer
Changes since v6:
- Remove unused gpu label from example
- Updated maintainer
Changes since v5:
- Update compatible string & description to match marketing name
- Remove unnecessary clock-names definition in ti,am62-gpu constraints
- Document that GPU revision is discoverable
Changes since v4:
- Add clocks constraint for ti,am62-gpu
- Remove excess address and size cells in example
- Remove interrupt name and add maxItems
- Make property order consistent between dts and bindings doc
- Update example to match dts
Changes since v3:
- Remove oneOf in compatible property
- Remove power-supply (not used on AM62)
Changes since v2:
- Add commit message description
- Remove mt8173-gpu support (not currently supported)
- Drop quotes from $id and $schema
- Remove reg: minItems
- Drop _clk suffixes from clock-names
- Remove operating-points-v2 property and cooling-cells (not currently
used)
- Add additionalProperties: false
- Remove stray blank line at the end of file
.../devicetree/bindings/gpu/img,powervr.yaml | 73 +++++++++++++++++++
MAINTAINERS | 7 ++
2 files changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpu/img,powervr.yaml
diff --git a/Documentation/devicetree/bindings/gpu/img,powervr.yaml b/Documentation/devicetree/bindings/gpu/img,powervr.yaml
new file mode 100644
index 000000000000..a13298f1a182
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/img,powervr.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2023 Imagination Technologies Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpu/img,powervr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Imagination Technologies PowerVR and IMG GPU
+
+maintainers:
+ - Frank Binns <frank.binns@...tec.com>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - ti,am62-gpu
+ - const: img,img-axe # IMG AXE GPU model/revision is fully discoverable
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: core
+ - const: mem
+ - const: sys
+ minItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: ti,am62-gpu
+ then:
+ properties:
+ clocks:
+ maxItems: 1
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/soc/ti,sci_pm_domain.h>
+
+ gpu@...0000 {
+ compatible = "ti,am62-gpu", "img,img-axe";
+ reg = <0x0fd00000 0x20000>;
+ clocks = <&k3_clks 187 0>;
+ clock-names = "core";
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 8a70be8f08ee..59c60abf341e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10392,6 +10392,13 @@ IMGTEC IR DECODER DRIVER
S: Orphan
F: drivers/media/rc/img-ir/
+IMGTEC POWERVR DRM DRIVER
+M: Frank Binns <frank.binns@...tec.com>
+M: Donald Robson <donald.robson@...tec.com>
+M: Matt Coster <matt.coster@...tec.com>
+S: Supported
+F: Documentation/devicetree/bindings/gpu/img,powervr.yaml
+
IMON SOUNDGRAPH USB IR RECEIVER
M: Sean Young <sean@...s.org>
L: linux-media@...r.kernel.org
--
2.25.1
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