linux-kernel - [[PATCH v2] 2/9] dt-bindings: pwm: snps,pwm add pwm number

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Message-Id: <20220725212140.741644-2-ben.dooks@sifive.com>
Date:   Mon, 25 Jul 2022 22:21:33 +0100
From:   Ben Dooks <ben.dooks@...ive.com>
To:     linux-pwm@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lee Jones <lee.jones@...aro.org>,
        u.kleine-koenig@...gutronix.de,
        Thierry Reding <thierry.reding@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Greentime Hu <greentime.hu@...ive.com>,
        Ben Dooks <ben.dooks@...ive.com>
Subject: [[PATCH v2] 2/9] dt-bindings: pwm: snps,pwm add pwm number

Add snps,pwm-number property to indicate if the block does not have
all 8 of the PWM blocks.

Not sure if this should be a general PWM property consider optional
for all PWM types, so have added a specific one here (there is only
one other controller with a property for PWM count at the moment)

Signed-off-by: Ben Dooks <ben.dooks@...ive.com>
---
 Documentation/devicetree/bindings/pwm/snps,pwm.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/snps,pwm.yaml b/Documentation/devicetree/bindings/pwm/snps,pwm.yaml
index 594085e5e26f..e95f518b3974 100644
--- a/Documentation/devicetree/bindings/pwm/snps,pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/snps,pwm.yaml
@@ -30,11 +30,16 @@ properties:
       - const: bus
       - const: timer
 
+  snps,pwm-number:
+    $ref: '/schemas/types.yaml#/definitions/uint32'
+    description: u32 value representing the number of PWM devices
+
 required:
   - "#pwm-cells"
   - compatible
   - reg
   - clocks
   - clock-names
+  - snps,pwm-number
 
 additionalProperties: false
-- 
2.35.1