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Message-ID: <1568798939-16038-8-git-send-email-sam.shih@mediatek.com>
Date:   Wed, 18 Sep 2019 17:28:55 +0800
From:   Sam Shih <sam.shih@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     Ryder Lee <ryder.lee@...iatek.com>,
        John Crispin <john@...ozen.org>, <linux-pwm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        Sam Shih <sam.shih@...iatek.com>
Subject: [PATCH v8 07/11] dt-bindings: pwm: pwm-mediatek: add a property "num-pwms"

From: Ryder Lee <ryder.lee@...iatek.com>

This adds a property "num-pwms" in example so that we could
specify the number of PWM channels via device tree.

Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
Signed-off-by: Sam Shih <sam.shih@...iatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
Changes since v6:
Follow reviewers's comments:
- The subject should indicate this is for Mediatek

Changes since v5:
- Add an Acked-by tag
- This file is original v4 patch 5/10
(https://patchwork.kernel.org/patch/11102577/)

---
 Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
index 991728cb46cb..ea95b490a913 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
@@ -14,12 +14,12 @@ Required properties:
                 has no clocks
    - "top": the top clock generator
    - "main": clock used by the PWM core
-   - "pwm1-8": the eight per PWM clocks for mt2712
-   - "pwm1-6": the six per PWM clocks for mt7622
-   - "pwm1-5": the five per PWM clocks for mt7623
+   - "pwm1-N": the PWM clocks for each channel
+   where N starting from 1 to the maximum number of PWM channels
  - pinctrl-names: Must contain a "default" entry.
  - pinctrl-0: One property must exist for each entry in pinctrl-names.
    See pinctrl/pinctrl-bindings.txt for details of the property values.
+ - num-pwms: the number of PWM channels.
 
 Example:
 	pwm0: pwm@...06000 {
@@ -37,4 +37,5 @@ Example:
 			      "pwm3", "pwm4", "pwm5";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm0_pins>;
+		num-pwms = <5>;
 	};
-- 
2.17.1

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