{"id":2221262,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2221262/?format=json","project":{"id":38,"url":"http://patchwork.ozlabs.org/api/1.0/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":"<20260409-03-k3-pwm-drv-v1-1-1307a06fba38@kernel.org>","date":"2026-04-09T00:45:11","name":"[1/2] dt-bindings: pwm: marvell,pxa-pwm: Add SpacemiT K3 PWM support","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"ad1ffca25849f5a9d07e515b3349ed963fc3a890","submitter":{"id":91543,"url":"http://patchwork.ozlabs.org/api/1.0/people/91543/?format=json","name":"Yixun Lan","email":"dlan@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pwm/patch/20260409-03-k3-pwm-drv-v1-1-1307a06fba38@kernel.org/mbox/","series":[{"id":499229,"url":"http://patchwork.ozlabs.org/api/1.0/series/499229/?format=json","date":"2026-04-09T00:45:10","name":"pwm: spacemit: Add Support for K3 SoC","version":1,"mbox":"http://patchwork.ozlabs.org/series/499229/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221262/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\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=itXRQpT2;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775695528; cv=none;\n b=oPgnhxqBd5n8CGvZ7OEgvd2S/wyE6pcN9uXd0z51fm5czUbc+2s82qTl89P/y1BgkT+wFQ46ZYiMIe+OLuNfGQfdOOdMmPj4Y8eXBOKUjNqQnLWJcrNG9kdxcqTY+SI7i6yLZT0hV+uzeYxNfELa5PeQobsbi78WujW8/MpuKc8=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775695528; c=relaxed/simple;\n\tbh=GjjLDPjnFGSnPCHOn1ibnK1BzP77ajzwwixqSGOk2HY=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=aOLzNRZbtqfiBp4IgH8+RHeq9kmMSMOKPYydxC4keoewdNCXyK0zXNzUZQ4QilIlh7PNGUU77A7ZZm3VSbYeCbvL5S5MIj2mrex77/7cEmSi1QF4X+Vi5KFgfsRXaLkVdemqL8TVpk3+AjxSDVlIw0/S2M0EYay/00iaFu30eW0=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=itXRQpT2; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775695528;\n\tbh=GjjLDPjnFGSnPCHOn1ibnK1BzP77ajzwwixqSGOk2HY=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=itXRQpT298TTmoBnNxJ944o2GBew+3i2ufMN7Ajf6mnnqm6wBZDhJwJHuV/S3Hm/P\n\t dKiFOnN3POTxxEI5M3f3WkmLP3/4SbcXsDcq9Dtq5Uwy+ZTU+fow87dxBGAHQKadw6\n\t gdfbT5G+VDArjnW0ef32CIo/gzrwfrJ6I1EHtZnSZwig6TlfkzqxBWZLaVMIfFUOQ1\n\t I6Jje2M4sOBZ3LMqBlt+uy3sdHFF6IkhQMxLwm8Rdirfj/rN0hnddJRpPAlfrY4fDu\n\t BiOBzffn0sM1L7FhotRty3Ii92eQIHFH4JvIQd7u+F7GGJS5j3iWaNMwv8y+EAyIy+\n\t 2YdDE492eeVbA==","From":"Yixun Lan ","Date":"Thu, 09 Apr 2026 00:45:11 +0000","Subject":"[PATCH 1/2] dt-bindings: pwm: marvell,pxa-pwm: Add SpacemiT K3 PWM\n support","Precedence":"bulk","X-Mailing-List":"linux-pwm@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260409-03-k3-pwm-drv-v1-1-1307a06fba38@kernel.org>","References":"<20260409-03-k3-pwm-drv-v1-0-1307a06fba38@kernel.org>","In-Reply-To":"<20260409-03-k3-pwm-drv-v1-0-1307a06fba38@kernel.org>","To":"=?utf-8?q?Uwe_Kleine-K=C3=B6nig?= ,\n Rob Herring , Krzysztof Kozlowski ,\n Conor Dooley ,\n =?utf-8?q?Duje_Mihanovi=C4=87?= ","Cc":"linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,\n spacemit@lists.linux.dev, Yixun Lan ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=2472; i=dlan@kernel.org;\n h=from:subject:message-id; bh=GjjLDPjnFGSnPCHOn1ibnK1BzP77ajzwwixqSGOk2HY=;\n b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBp1vac2ggiRrXysr7NeyHf0sal5mHzkegemt3Zq\n SAEbP1WPYiJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCadb2nBsUgAAAAAAEAA5t\n YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5\n maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU\n QACgkQMarqR1lNu+0TVg//TdIVeocbpZIR0KwWB6pCxILp6k7d4GN/2HcXvgNIk6xQS9zfXVho9\n AOXaDylRtNIhr5OnHcsleIiLTWSqsxoE7EwsetNlJ8ItbRZCk3AQDlDTmNwatD84n20RI1MfL/w\n 6fUulRAWvfXVE4GIz3yOP+0dm5TevZxyrRVDXoehY1Sf7RVYdi9YkiEpAphMI10nshwhpmIdF74\n 3RZGiQ0RNc25wEWR74/fDHU3XKUTx1YDku7Ok43kWvHJJMw4SdJrbjOiTisqEHq+4cY+leQHosf\n CbfzFpoT0amZYqa7joTvm0n3x9PHiUFb2Vm3qVnf/43jRzNqawJKS8M/j8ms7+nsjzsQbuQoMU9\n C+8S/23DC6O1gbBnPTAs3HOp111saIR5W7IAbB34lvo718VDAaf5nwBc64S6OoiH1ewCphFg/jz\n 6/NL+qWH6/1Pc0J0nz3tv3aX5WfH4ixuphd5TTyyJS80+tfLpXjveFmdBcvgsWElgarsgn6vsCU\n 4v0s/34giguywfOOJGlQrKqp2QjGy+0Dz3hRTiVzAtfVf3vtgKI6kY2bsl3KkWu11QHdwsZTkAc\n dpZnxoxcCmM7DVLo5daHIEdLofn08kjDcMf59SqG1Ut+aewmeujlyPwWRWuWhJa4YjeKPNz0Wr/\n xQNk3H9hFNcEgmvAF9+CNaoHJb2GDA=","X-Developer-Key":"i=dlan@kernel.org; a=openpgp;\n fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55"},"content":"The PWM controller in SpacemiT K3 SoC reuse the same IP as previous K1\ngeneration, while the difference is that one additional bus clock is\nadded.\n\nSigned-off-by: Yixun Lan \n---\n .../devicetree/bindings/pwm/marvell,pxa-pwm.yaml | 53 ++++++++++++++++++++--\n 1 file changed, 50 insertions(+), 3 deletions(-)","diff":"diff --git a/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml b/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml\nindex 8df327e52810..3427c8ef3945 100644\n--- a/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml\n+++ b/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml\n@@ -15,7 +15,9 @@ allOf:\n properties:\n compatible:\n contains:\n- const: spacemit,k1-pwm\n+ enum:\n+ - spacemit,k1-pwm\n+ - spacemit,k3-pwm\n then:\n properties:\n \"#pwm-cells\":\n@@ -26,6 +28,38 @@ allOf:\n const: 1\n description: |\n Used for specifying the period length in nanoseconds.\n+ - if:\n+ properties:\n+ compatible:\n+ contains:\n+ enum:\n+ - spacemit,k3-pwm\n+ then:\n+ properties:\n+ clock-names:\n+ items:\n+ - const: func\n+ - const: bus\n+ - if:\n+ properties:\n+ compatible:\n+ contains:\n+ enum:\n+ - spacemit,k3-pwm\n+ then:\n+ required:\n+ - clock-names\n+ properties:\n+ clocks:\n+ minItems: 2\n+ clock-names:\n+ minItems: 2\n+ else:\n+ properties:\n+ clocks:\n+ maxItems: 1\n+ clock-names:\n+ maxItems: 1\n \n properties:\n compatible:\n@@ -36,7 +70,9 @@ properties:\n - marvell,pxa168-pwm\n - marvell,pxa910-pwm\n - items:\n- - const: spacemit,k1-pwm\n+ - enum:\n+ - spacemit,k1-pwm\n+ - spacemit,k3-pwm\n - const: marvell,pxa910-pwm\n \n reg:\n@@ -47,7 +83,18 @@ properties:\n description: Number of cells in a pwm specifier.\n \n clocks:\n- maxItems: 1\n+ minItems: 1\n+ items:\n+ - description: The function clock\n+ - description: An optional bus clock\n+\n+ clock-names:\n+ minItems: 1\n+ maxItems: 2\n+ oneOf:\n+ - items:\n+ - const: func\n+ - const: bus\n \n resets:\n maxItems: 1\n","prefixes":["1/2"]}