linux-kernel - [PATCH v2 03/21] dt-bindings: gpu: img: Power domain details

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241118-sets-bxs-4-64-patch-v1-v2-3-3fd45d9fb0cf@imgtec.com>
Date: Mon, 18 Nov 2024 13:01:55 +0000
From: Matt Coster <matt.coster@...tec.com>
To: Frank Binns <frank.binns@...tec.com>,
        Matt Coster
	<matt.coster@...tec.com>,
        David Airlie <airlied@...il.com>, Simona Vetter
	<simona@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>,
        "Vignesh
 Raghavendra" <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        Randolph Sapp <rs@...com>, Darren Etheridge <detheridge@...com>
Subject: [PATCH v2 03/21] dt-bindings: gpu: img: Power domain details

The single existing GPU (AXE-1-16M) only requires a single power domain.
Subsequent patches will add support for BXS-4-64 MC1, which has two power
domains. Add infrastructure now to allow for this.

Signed-off-by: Matt Coster <matt.coster@...tec.com>
---
Changes in v2:
- Simplified power-domains constraints P3
- Link to v1: https://lore.kernel.org/r/20241105-sets-bxs-4-64-patch-v1-v1-3-4ed30e865892@imgtec.com
---
 .../devicetree/bindings/gpu/img,powervr-rogue.yaml | 25 ++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
index 3b5a5b966585ac29ad104c7aef19881eca73ce80..c629f54c86c441b4cc9e57925f1d65129cbe285b 100644
--- a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
+++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
@@ -43,8 +43,15 @@ properties:
   interrupts:
     maxItems: 1
 
-  power-domains:
-    maxItems: 1
+  power-domains: true
+
+  power-domain-names:
+    oneOf:
+      - items:
+          - const: a
+      - items:
+          - const: a
+          - const: b
 
 required:
   - compatible
@@ -52,10 +59,23 @@ required:
   - clocks
   - clock-names
   - interrupts
+  - power-domains
+  - power-domain-names
 
 additionalProperties: false
 
 allOf:
+  # Cores with a single power domain
+  - if:
+      properties:
+        compatible:
+          contains:
+            anyOf:
+              - const: img,img-axe-1-16m
+    then:
+      properties:
+        power-domains:
+          maxItems: 1
   # Vendor integrations using a single clock domain
   - if:
       properties:
@@ -81,4 +101,5 @@ examples:
         clock-names = "core";
         interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
         power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
+        power-domain-names = "a";
     };

-- 
2.47.0