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Thu, 19 Jun 2025 07:22:55 -0700 (PDT) Received: from pawel-TGP.seescan.com ([2a00:23c7:1d1a:9c01:6a9b:79fb:fd3e:b03b]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2365d88bfe4sm120259945ad.18.2025.06.19.07.22.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Jun 2025 07:22:55 -0700 (PDT) From: Pawel Zalewski To: linux-leds@vger.kernel.org Cc: Pawel Zalewski Subject: [PATCH 2/2] dt-bindigs: leds: is31fl32xx: add optional properties section Date: Thu, 19 Jun 2025 14:19:00 +0100 Message-ID: <20250619142233.653273-2-pzalewski@thegoodpenguin.co.uk> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250619142233.653273-1-pzalewski@thegoodpenguin.co.uk> References: <20250619142233.653273-1-pzalewski@thegoodpenguin.co.uk> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add optional support for is31fl3236a PWM frequency switch. Signed-off-by: Pawel Zalewski --- Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt index 926c2117942c..aa38a0638bad 100644 --- a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt +++ b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt @@ -7,6 +7,7 @@ Each LED is represented as a sub-node of the device. Required properties: - compatible: one of issi,is31fl3236 + issi,is31fl3236a issi,is31fl3235 issi,is31fl3218 issi,is31fl3216 @@ -16,6 +17,11 @@ Required properties: - address-cells : must be 1 - size-cells : must be 0 +Optional properties: +- is31fl32xx,22kHz-pwm : When present, the chip's PWM will operate at + ~22kHz as opposed to ~3kHz to move the operating frequency out of the + audible range. + LED sub-node properties: - reg : LED channel number (1..N) - label : (optional)