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[2003:f6:5f13:c804::1b9]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3a4e1fe9430sm2417186f8f.75.2025.05.27.10.15.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 May 2025 10:15:18 -0700 (PDT) From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sean Anderson Cc: linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH] dt-bindings: timer: xlnx,xps-timer: Make PWM in example usable Date: Tue, 27 May 2025 19:15:02 +0200 Message-ID: <20250527171504.346696-2-u.kleine-koenig@baylibre.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1097; i=u.kleine-koenig@baylibre.com; h=from:subject; bh=lo7q0vAjnRMqOT4+3JKAMcw3uToSM7aewQO5nGtZTVk=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBoNfMZAti7WzkSVbkgZKbDhL7HlMQghcuZss1Rk gySeAVOl3iJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCaDXzGQAKCRCPgPtYfRL+ To7jB/9HOOPDuH+KcIJZ2UNKgt5nOFBdUE882ug7qeqFaYQHAAd7DWA/qoCuwxJSxu4Qs/bIoqg T/ujO/oyxurwcn/5j3bQSRkoUFPWcX+Bar7XfBaqpiiEltEuA2VZ4oxVr1VY0E1dtUwuJKHydZ3 bbTM7J2+tpB6fEB5yGrwy2LQAA2yKtTEo0wB27sMkWyYdhS1rI0Ib9qbWsZs+HDvbRSgloQbTL9 DobcZmP8ESede9SXcZpt1cqT/e4Hj4He5ryBrIfBX1oCVMGbIpL/hwuCo2oe528VL+VKtQ5n5vt ShYPRPSz94vrctseCcl2vQSxB6AjkN72G/kUKrCcV3hOpbwa X-Developer-Key: i=u.kleine-koenig@baylibre.com; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: quoted-printable With #pwm-cells =3D <0> no usable reference to that PWM can be created. Even though a xlnx,xps-timer device only provides a single PWM line, Linux would fail to determine the right (pwmchip, pwmnumber) combination. Fix the example to use the recommended value 3 for #pwm-cells. Signed-off-by: Uwe Kleine-K=C3=B6nig Reviewed-by: Sean Anderson --- Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml b/= Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml index b1597db04263..d36cbf0efbd6 100644 --- a/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml +++ b/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml @@ -82,7 +82,7 @@ examples: }; =20 timer@800f0000 { - #pwm-cells =3D <0>; + #pwm-cells =3D <3>; clock-names =3D "s_axi_aclk"; clocks =3D <&zynqmp_clk 71>; compatible =3D "xlnx,xps-timer-1.00.a"; base-commit: 0ff41df1cb268fc69e703a08a57ee14ae967d0ca --=20 2.47.2