linux-kernel - [PATCH v2 1/3] Documentation: gpio: add TCAL6408 and TCAL6416

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Message-ID: <20251216-wip-jremmet-tcal6416rtw-v2-1-6516d98a9836@phytec.de>
Date: Tue, 16 Dec 2025 08:39:33 +0100
From: Jan Remmet <j.remmet@...tec.de>
To: Linus Walleij <linusw@...nel.org>, Bartosz Golaszewski <brgl@...nel.org>,
	Jonathan Corbet <corbet@....net>, Rob Herring <robh@...nel.org>, "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Levente Révész <levente.revesz@...abs.com>
CC: <linux-gpio@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Krzysztof Kozlowski <krzk@...nel.org>,
	<devicetree@...r.kernel.org>, <upstream@...ts.phytec.de>
Subject: [PATCH v2 1/3] Documentation: gpio: add TCAL6408 and TCAL6416

Checked datasheets, the offsets are identical to pcal6408 and pcal6416.

Signed-off-by: Jan Remmet <j.remmet@...tec.de>
---
 Documentation/driver-api/gpio/pca953x.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/driver-api/gpio/pca953x.rst b/Documentation/driver-api/gpio/pca953x.rst
index 4bd7cf1120cbaccfaefc346195d87d927c3afcdf..53f25fa03072d95d47443e30c89720a98f8c5561 100644
--- a/Documentation/driver-api/gpio/pca953x.rst
+++ b/Documentation/driver-api/gpio/pca953x.rst
@@ -178,6 +178,8 @@ pcal9554b      8       yes    00     01     02        03
 pcal6416      16       yes    00     02     04        06
 pcal9535      16       yes    00     02     04        06
 pcal9555a     16       yes    00     02     04        06
+tcal6408       8       yes    00     01     02        03
+tcal6416      16       yes    00     02     04        06
 ========== ===== ========= ===== ====== ====== =========
 
 These chips have several additional features:
@@ -196,6 +198,8 @@ pcal9554b            40       42      43       44       45         46       4F
 pcal6416             40       44      46       48       4A         4C       4F
 pcal9535             40       44      46       48       4A         4C       4F
 pcal9555a            40       44      46       48       4A         4C       4F
+tcal6408             40       42      43       44       45         46       4F
+tcal6416             40       44      46       48       4A         4C       4F
 ========== ============ ======== ======= ======== ======== ========== ========
 
 Currently the driver has support for the input latch, pull-up/pull-down
@@ -332,6 +336,8 @@ Layouts:
         - pcal9554b
         - pcal9555a
         - pcal6524
+        - tcal6408
+        - tcal6416
 
     2. base offset 0x30, bank 5 and 6, closely packed banks
         - pcal6534
@@ -390,6 +396,8 @@ enabled.
         - pcal9554b
         - pcal9555a
         - pcal6524
+        - tcal6408
+        - tcal6416
 
     2. base offset 0x30, bank 2, closely packed banks
         - pcal6534
@@ -462,6 +470,8 @@ Layout:
         - pcal9535
         - pcal9554b
         - pcal9555a
+        - tcal6408
+        - tcal6416
 
 `PCAL chips with extended interrupt and output configuration functions`_
 can set this for each line individually. They have the same per-port out_conf
@@ -505,6 +515,8 @@ bits drive strength
         - pcal9554b
         - pcal9555a
         - pcal6524
+        - tcal6408
+        - tcal6416
 
     2. base offset 0x30, bank 0 and 1, closely packed banks
         - pcal6534

-- 
2.43.0