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Message-ID: <3591c206eeccdacb8b4e702494d799792b752661.1656583541.git.hakan.jansson@infineon.com>
Date: Thu, 30 Jun 2022 14:45:21 +0200
From: Hakan Jansson <hakan.jansson@...ineon.com>
To: unlisted-recipients:; (no To-header on input)
CC: Hakan Jansson <hakan.jansson@...ineon.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Linus Walleij <linus.walleij@...aro.org>,
<netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Marcel Holtmann <marcel@...tmann.org>,
Johan Hedberg <johan.hedberg@...il.com>,
"Luiz Augusto von Dentz" <luiz.dentz@...il.com>,
<linux-bluetooth@...r.kernel.org>
Subject: [PATCH v2 2/5] dt-bindings: net: broadcom-bluetooth: Add conditional constraints
Add conditional constraint to make property "reset-gpios" available only
for compatible devices acually having the reset pin.
Make property "brcm,requires-autobaud-mode" depend on property
"shutdown-gpios" as the shutdown pin is required to enter autobaud mode.
I looked at all compatible devices and compiled the matrix below before
formulating the conditional constraint. This was a pure paper exercise and
no verification testing has been performed.
d
e
v h
i o
c s
s e t
h - -
u w w v
t r a a v d
d e k k b d
o s e e a i
w e u u t o
n t p p - -
- - - - s s
g g g g u u
p p p p t p p
i i i i x l p p
o o o o c p l l
s s s s o o y y
---------------------------------------
brcm,bcm20702a1 X X X X X X X X
brcm,bcm4329-bt X X X X X X X X
brcm,bcm4330-bt X X X X X X X X
brcm,bcm4334-bt X - X X X X X X
brcm,bcm43438-bt X - X X X X X X
brcm,bcm4345c5 X - X X X X X X
brcm,bcm43540-bt X - X X X X X X
brcm,bcm4335a0 X - X X X X X X
brcm,bcm4349-bt X - X X X X X X
infineon,cyw55572-bt X - X X X X X X
Signed-off-by: Hakan Jansson <hakan.jansson@...ineon.com>
---
V1 -> V2:
- New patch added to series
.../bindings/net/broadcom-bluetooth.yaml | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
index 71fe9b17f8f1..445b2a553625 100644
--- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
@@ -117,6 +117,22 @@ properties:
required:
- compatible
+dependencies:
+ brcm,requires-autobaud-mode: [ 'shutdown-gpios' ]
+
+if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - brcm,bcm20702a1
+ - brcm,bcm4329-bt
+ - brcm,bcm4330-bt
+then:
+ properties:
+ reset-gpios: false
+
additionalProperties: false
examples:
--
2.25.1
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