linux-kernel - [PATCH v2] dt-bindings: pinctrl: mt8186: Fix 'reg-names' for pinctrl nodes

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Message-ID: <20220817052615.27153-1-allen-kh.cheng@mediatek.com>
Date:   Wed, 17 Aug 2022 13:26:15 +0800
From:   Allen-KH Cheng <allen-kh.cheng@...iatek.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <angelogioacchino.delregno@...labora.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        Guodong Liu <guodong.liu@...iatek.com>
Subject: [PATCH v2] dt-bindings: pinctrl: mt8186: Fix 'reg-names' for pinctrl nodes

The mt8186 contains 8 GPIO physical address bases that correspond to
the 'reg-names' of the pinctrl driver. The 'reg-names' entries in
bindings are ordered incorrectly, though. The system crashes due of an
erroneous address when the regulator initializes.

We fix the 'reg-names' for the pinctrl nodes and the pinctrl-mt8186
example in bindings.

Fixes: 338e953f1bd1 ("dt-bindings: pinctrl: mt8186: add pinctrl file and binding document")
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Signed-off-by: Guodong Liu <guodong.liu@...iatek.com>
---
Change in v1:
  * Capitalize First Letter of Sentences and rephrase the commit message
    [Allen-KH Cheng <allen-kh.cheng@...iatek.com>]
---
---
 .../bindings/pinctrl/pinctrl-mt8186.yaml         | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
index 1eeb885ce0c6..604445e390a7 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8186.yaml
@@ -41,12 +41,12 @@ properties:
       Gpio base register names.
     items:
       - const: iocfg0
-      - const: iocfg_bm
-      - const: iocfg_bl
-      - const: iocfg_br
+      - const: iocfg_lt
       - const: iocfg_lm
+      - const: iocfg_lb
+      - const: iocfg_bl
       - const: iocfg_rb
-      - const: iocfg_tl
+      - const: iocfg_rt
       - const: eint
 
   interrupt-controller: true
@@ -232,12 +232,12 @@ examples:
             <0x10002200 0x0200>,
             <0x10002400 0x0200>,
             <0x10002600 0x0200>,
-            <0x10002A00 0x0200>,
+            <0x10002a00 0x0200>,
             <0x10002c00 0x0200>,
             <0x1000b000 0x1000>;
-      reg-names = "iocfg0", "iocfg_bm", "iocfg_bl",
-                  "iocfg_br", "iocfg_lm", "iocfg_rb",
-                  "iocfg_tl", "eint";
+      reg-names = "iocfg0", "iocfg_lt", "iocfg_lm",
+                  "iocfg_lb", "iocfg_bl", "iocfg_rb",
+                  "iocfg_rt", "eint";
       gpio-controller;
       #gpio-cells = <2>;
       gpio-ranges = <&pio 0 0 185>;
-- 
2.18.0