{"id":2227813,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2227813/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pwm/patch/20260424095435.1721-1-dongxuyang@eswincomputing.com/","project":{"id":38,"url":"http://patchwork.ozlabs.org/api/1.1/projects/38/?format=json","name":"Linux PWM development","link_name":"linux-pwm","list_id":"linux-pwm.vger.kernel.org","list_email":"linux-pwm@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260424095435.1721-1-dongxuyang@eswincomputing.com>","date":"2026-04-24T09:54:35","name":"[v6,1/2] dt-bindings: pwm: dwc: add optional reset","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"010ad430a996f687564904b36f1bbbc6b59325cf","submitter":{"id":90849,"url":"http://patchwork.ozlabs.org/api/1.1/people/90849/?format=json","name":"Xuyang Dong","email":"dongxuyang@eswincomputing.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pwm/patch/20260424095435.1721-1-dongxuyang@eswincomputing.com/mbox/","series":[{"id":501331,"url":"http://patchwork.ozlabs.org/api/1.1/series/501331/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pwm/list/?series=501331","date":"2026-04-24T09:45:29","name":"Update designware pwm driver","version":6,"mbox":"http://patchwork.ozlabs.org/series/501331/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227813/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227813/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pwm@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777024507; cv=none;\n b=hLICSPhXz9xET9jzOxmWowYg2f5BrkpasG+Qx+dnh3RZxGG+6nqhWBMGd/2sggD4twaNByTbDw+aldLM7w+2aE9JlB3kQKhASp9+1JQwTf3pxdlzW/QI/BX3gC3+nqW5G+xHkcEO1DiSJTVcSF8gR86/1RkBL09oDjXzVHH6f0I=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777024507; c=relaxed/simple;\n\tbh=QFSYqEgLy8Wzqmp/O9r2ZWk/Xpkk1QVJ7sUvqye0Oxo=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=Y5e5pN3sWsXTOOFTjBRxOwF9ZBDw+sW8S2NVvkU7j93p5yX6LFxBvyEI/FDOjg1wyn9XGtHDVGGKpOIIZo5GBcpq2E50qsbgtL7v0Fn71qe2Us3pvxFeAEbYpV6WBxgTIjD2aB7ilcznrh1nhDmkXnNGVYAm9ygJSylg6VWW5Wg=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=eswincomputing.com;\n spf=pass smtp.mailfrom=eswincomputing.com;\n arc=none smtp.client-ip=13.76.78.106","From":"dongxuyang@eswincomputing.com","To":"ukleinek@kernel.org,\n\trobh@kernel.org,\n\tkrzk+dt@kernel.org,\n\tconor+dt@kernel.org,\n\tben-linux@fluff.org,\n\tben.dooks@codethink.co.uk,\n\tp.zabel@pengutronix.de,\n\tlinux-pwm@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org","Cc":"ningyu@eswincomputing.com,\n\tlinmin@eswincomputing.com,\n\txuxiang@eswincomputing.com,\n\twangguosheng@eswincomputing.com,\n\tpinkesh.vaghela@einfochips.com,\n\tXuyang Dong ","Subject":"[PATCH v6 1/2] dt-bindings: pwm: dwc: add optional reset","Date":"Fri, 24 Apr 2026 17:54:35 +0800","Message-Id":"<20260424095435.1721-1-dongxuyang@eswincomputing.com>","X-Mailer":"git-send-email 2.31.1.windows.1","In-Reply-To":"<20260424094529.1691-1-dongxuyang@eswincomputing.com>","References":"<20260424094529.1691-1-dongxuyang@eswincomputing.com>","Precedence":"bulk","X-Mailing-List":"linux-pwm@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"TAJkCgC3THHdPetpAVgUAA--.11883S2","X-Coremail-Antispam":"1UD129KBjvJXoW7Ww4fAFyUtF4DGFW3try3twb_yoW8Cr4UpF\n\t43Zr92qr1fJr13Ww4rXF18C3WaqF1kJr47Gr40qw42ka9rta1jqayakw15JFW5ArZ2qrW3\n\tWa93ur15Aw1jvr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0\n\trVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02\n\t1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U\n\tJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc\n\tCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E\n\t2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJV\n\tW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2\n\tY2ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxkIecxEwVCm-wCF04\n\tk20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18\n\tMI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr4\n\t1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l\n\tIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4\n\tA2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUfGYJUUUUU=","X-CM-SenderInfo":"pgrqw5xx1d0w46hv4xpqfrz1xxwl0woofrz/"},"content":"From: Xuyang Dong \n\nThe DesignWare PWM includes separate reset signals dedicated to each clock\ndomain:\nThe presetn signal resets logic in pclk domain.\nThe timer_N_resetn signal resets logic in the timer_N_clk domain.\nThe resets are active-low.\n\nEIC7700 use DesignWare IP for PWM controllers. Add ESWIN EIC7700 support\n in snps,dw-apb-timers-pwm2.yaml\n\nSigned-off-by: Xuyang Dong \n---\n .../bindings/pwm/snps,dw-apb-timers-pwm2.yaml | 25 ++++++++++++++++---\n 1 file changed, 21 insertions(+), 4 deletions(-)","diff":"diff --git a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml\nindex 7523a89a1773..96a70e55a167 100644\n--- a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml\n+++ b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml\n@@ -20,12 +20,11 @@ description:\n instead of having to encode the IP version number in the device tree\n compatible.\n \n-allOf:\n- - $ref: pwm.yaml#\n-\n properties:\n compatible:\n- const: snps,dw-apb-timers-pwm2\n+ enum:\n+ - snps,dw-apb-timers-pwm2\n+ - eswin,eic7700-pwm\n \n reg:\n maxItems: 1\n@@ -43,6 +42,12 @@ properties:\n - const: bus\n - const: timer\n \n+ resets:\n+ minItems: 1\n+ items:\n+ - description: Interface bus reset\n+ - description: PWM timer logic reset\n+\n snps,pwm-number:\n $ref: /schemas/types.yaml#/definitions/uint32\n description: The number of PWM channels configured for this instance\n@@ -54,6 +59,18 @@ required:\n - clocks\n - clock-names\n \n+allOf:\n+ - $ref: pwm.yaml#\n+\n+ - if:\n+ properties:\n+ compatible:\n+ contains:\n+ const: eswin,eic7700-pwm\n+ then:\n+ required:\n+ - resets\n+\n additionalProperties: false\n \n examples:\n","prefixes":["v6","1/2"]}