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Tue, 29 Oct 2024 09:55:35 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 29 Oct 2024 09:55:34 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Tue, 29 Oct 2024 09:55:34 -0400 Received: from [127.0.0.1] ([10.44.3.54]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 49TDtMVo021546; Tue, 29 Oct 2024 09:55:30 -0400 From: Nuno Sa Date: Tue, 29 Oct 2024 14:59:41 +0100 Subject: [PATCH v2 1/2] dt-bindings: clock: axi-clkgen: include AXI clk Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241029-axi-clkgen-fix-axiclk-v2-1-bc5e0733ad76@analog.com> References: <20241029-axi-clkgen-fix-axiclk-v2-0-bc5e0733ad76@analog.com> In-Reply-To: <20241029-axi-clkgen-fix-axiclk-v2-0-bc5e0733ad76@analog.com> To: , CC: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lars-Peter Clausen X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1730210382; l=2035; i=nuno.sa@analog.com; s=20231116; h=from:subject:message-id; bh=SsX5Mc9XwnuL9vbf0/m0RY+NZdJeBQncGv1TXr9S1Ms=; b=Nzhz48ci6VJZGJARq8VH+quHMw4be86ahLygRfj/xBRfAgdIB+Z+0UAoVQTaYROd5nBDk+WXH Q6zl5J7LiSNCjJqM1IdY+FH2fOl0oF5Tm4wWIhEcMXIkEIwThOC8zoa X-Developer-Key: i=nuno.sa@analog.com; a=ed25519; pk=3NQwYA013OUYZsmDFBf8rmyyr5iQlxV/9H4/Df83o1E= X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: -HKx1hyKfi-48ZfaCG55sgkzCBdYyElv X-Proofpoint-ORIG-GUID: -HKx1hyKfi-48ZfaCG55sgkzCBdYyElv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 suspectscore=0 impostorscore=0 adultscore=0 spamscore=0 clxscore=1015 mlxscore=0 phishscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410290106 In order to access the registers of the HW, we need to make sure that the AXI bus clock is enabled. Hence let's increase the number of clocks by one and add clock-names to differentiate between parent clocks and the bus clock. Fixes: 0e646c52cf0e ("clk: Add axi-clkgen driver") Signed-off-by: Nuno Sa Reviewed-by: Conor Dooley --- .../devicetree/bindings/clock/adi,axi-clkgen.yaml | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/adi,axi-clkgen.yaml b/Documentation/devicetree/bindings/clock/adi,axi-clkgen.yaml index 5e942bccf27787d7029f76fc1a284232fb7f279d..2b2041818a0a44456ee986fe29d32346f68835f3 100644 --- a/Documentation/devicetree/bindings/clock/adi,axi-clkgen.yaml +++ b/Documentation/devicetree/bindings/clock/adi,axi-clkgen.yaml @@ -26,9 +26,21 @@ properties: description: Specifies the reference clock(s) from which the output frequency is derived. This must either reference one clock if only the first clock - input is connected or two if both clock inputs are connected. - minItems: 1 - maxItems: 2 + input is connected or two if both clock inputs are connected. The last + clock is the AXI bus clock that needs to be enabled so we can access the + core registers. + minItems: 2 + maxItems: 3 + + clock-names: + oneOf: + - items: + - const: clkin1 + - const: s_axi_aclk + - items: + - const: clkin1 + - const: clkin2 + - const: s_axi_aclk '#clock-cells': const: 0 @@ -40,6 +52,7 @@ required: - compatible - reg - clocks + - clock-names - '#clock-cells' additionalProperties: false @@ -50,5 +63,6 @@ examples: compatible = "adi,axi-clkgen-2.00.a"; #clock-cells = <0>; reg = <0xff000000 0x1000>; - clocks = <&osc 1>; + clocks = <&osc 1>, <&clkc 15>; + clock-names = "clkin1", "s_axi_aclk"; };