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Sat, 18 Jul 2026 19:07:35 -0700 (PDT) X-Received: by 2002:a05:6a00:228e:b0:848:47db:a0ac with SMTP id d2e1a72fcca58-84c292ab554mr8722131b3a.27.1784426855066; Sat, 18 Jul 2026 19:07:35 -0700 (PDT) Received: from jic23-huawei ([50.35.46.84]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84c30fb62fesm2946475b3a.29.2026.07.18.19.07.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jul 2026 19:07:34 -0700 (PDT) Date: Sun, 19 Jul 2026 03:07:29 +0100 From: Jonathan Cameron To: Janani Sunil Cc: Lars-Peter Clausen , Michael Hennerich , "David Lechner" , Nuno =?UTF-8?B?U8Oh?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , "Jonathan Corbet" , Shuah Khan , Mark Brown , Marius Cristea , "Marcus Folkesson" , Kent Gustavsson , , , , , Janani Sunil , , Kent Gustavsson Subject: Re: [PATCH v6 2/5] dt-bindings: iio: adc: microchip,mcp3564: Add spi-device-addr Message-ID: <20260719030717.3ec27870@jic23-huawei> In-Reply-To: <20260715-ad5529r-driver-v6-2-cfdf8b9f5ee3@analog.com> References: <20260715-ad5529r-driver-v6-0-cfdf8b9f5ee3@analog.com> <20260715-ad5529r-driver-v6-2-cfdf8b9f5ee3@analog.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE5MDAxNyBTYWx0ZWRfX5GDIRrvYXvWc qXNGwxK9tPEvrnhZwWBWFa53+BYLxyKiHvSSOj0carfzUCsMj7MPwlFm1fYbaVtdDDqEhcbqDln oArEvBTHJHuP/6KnrUGvTFWjHQ7+Ff8= X-Proofpoint-GUID: t57FftQHFAauY6Eomy9k1c_IA1O3RVLQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE5MDAxNyBTYWx0ZWRfX8OjZuBZtu+FK yjA2llyU4wanSAFztMZLw5Ih2N2h7xIodc1JBTC14fnRVlcyiOoIccWuAF6kJMyqITUEB/Hr/4/ /y9JQOA6nQcMcpNrn6a1IaI9KEWg71Bk7MkZU/9thmdAR4LksymQ6k9IOBByqswR5PU2l6CbH8+ TGuKHr+tXkSjqByoPpp5Z7X6aK+oCZvtWoWS9ceZl2Q2clZukkxv50b3tPRs5RKHjc8gEygCPbv dxmSmz30QvUQ3ORoOOxv1odll/E8X4F95Gmc5y4xMLUP5Q+A02lwiOsOadqsj3yw2sj8J1AI6v1 p58NITs8sk13v15fY+5GcwdciXq/V5YxaX4S1oeca9tthhEuaum/nd8SL5sjQnDlrxjvBj6UNrf pGK9DYR9J5kDSp7u/lCNn0GjKuWum22US/ypmlB1NiJqcAlA4nUv61fZwVa3A0ctpsQnrkavFRK QGozAU248Wylzs++IGw== X-Authority-Analysis: v=2.4 cv=T5K8ifKQ c=1 sm=1 tr=0 ts=6a5c3168 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=qC1CW/w66vtJz1P9yTJxNA==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=gAnH3GRIAAAA:8 a=WutwVF5OcC7bkNhAIqMA:9 a=CjuIK1q_8ugA:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-ORIG-GUID: t57FftQHFAauY6Eomy9k1c_IA1O3RVLQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-19_01,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 impostorscore=0 bulkscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607190017 On Wed, 15 Jul 2026 13:41:05 +0200 Janani Sunil wrote: > Add the generic spi-device-addr property to the binding and deprecate > the existing vendor specific microchip,hw-device-address property. > > Signed-off-by: Janani Sunil Maybe I'm reading the situation wrong but I was expecting to see driver patches as well. Or is the now deprecated binding element not actually used? One other thing below. Jonathan > --- > Documentation/devicetree/bindings/iio/adc/microchip,mcp3564.yaml | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3564.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3564.yaml > index 675319276197..02bb198e9fa7 100644 > --- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3564.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3564.yaml > @@ -80,6 +80,7 @@ properties: > $ref: /schemas/types.yaml#/definitions/uint32 > minimum: 0 > maximum: 3 > + deprecated: true > description: > The address is set on a per-device basis by fuses in the factory, > configured on request. If not requested, the fuses are set for 0x1. > @@ -91,6 +92,11 @@ properties: > clocking of the device address (BITS[7:6] - top two bits of COMMAND BYTE > which is first one on the wire). > > + spi-device-addr: > + maxItems: 1 > + items: > + enum: [0, 1, 2, 3] No default here, yet not required, so how do we know what the value is if this property isn't there? > + > "#io-channel-cells": > const: 1 > > @@ -123,7 +129,6 @@ dependencies: > required: > - compatible > - reg > - - microchip,hw-device-address > - spi-max-frequency > > allOf: > @@ -159,7 +164,7 @@ examples: > spi-cpha; > spi-cpol; > spi-max-frequency = <10000000>; > - microchip,hw-device-address = <1>; > + spi-device-addr = <1>; > > #address-cells = <1>; > #size-cells = <0>; >