linux-kernel - [PATCH v7 06/12] dt-bindings: pinctrl: deprecate SIUL2 pinctrl bindings

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Message-ID: <20250710142038.1986052-7-andrei.stefanescu@oss.nxp.com>
Date: Thu, 10 Jul 2025 17:20:29 +0300
From: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
To: linus.walleij@...aro.org,
	brgl@...ev.pl,
	robh@...nel.org,
	krzk+dt@...nel.org,
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Cc: linux-gpio@...r.kernel.org,
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	Andrei Stefanescu <andrei.stefanescu@....nxp.com>
Subject: [PATCH v7 06/12] dt-bindings: pinctrl: deprecate SIUL2 pinctrl bindings

The existing SIUL2 pinctrl bindings don't correctly describe the
hardware. The SIUL2 module also offers GPIO control and exposes some
registers which contain information about the SoC. Adding drivers for
these functionalities would result in incorrect bindings with a lot of
carved out regions for registers. For more details see the discussions
on the community [1] and [2].

The existing SIUL2 pinctrl dt-bindings will be deprecated. The new SIUL2
MFD dt-bindings are to be used from now on.

[1] -
https://lore.kernel.org/linux-gpio/20241003-overall-unblended-7139b17eae23@spud/
[2] -
https://lore.kernel.org/all/a924bbb6-96ec-40be-9d82-a76b2ab73afd@oss.nxp.com/

Signed-off-by: Andrei Stefanescu <andrei.stefanescu@....nxp.com>
---
 .../devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
index a24286e4def6..332397a21394 100644
--- a/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/nxp,s32g2-siul2-pinctrl.yaml
@@ -11,6 +11,8 @@ maintainers:
   - Ghennadi Procopciuc <Ghennadi.Procopciuc@....nxp.com>
   - Chester Lin <chester62515@...il.com>
 
+deprecated: true
+
 description: |
   S32G2 pinmux is implemented in SIUL2 (System Integration Unit Lite2),
   whose memory map is split into two regions:
-- 
2.45.2