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(unknown [109.120.22.104]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20260226090557epsmtip17501757744c424baa60b39ddfbef31ee~XwJyQlV1u0308703087epsmtip1R; Thu, 26 Feb 2026 09:05:57 +0000 (GMT) From: "ping.gao" To: shawn.lin@rock-chips.com, ulf.hansson@linaro.org, jh80.chung@samsung.com, krzk+dt@kernel.org, conor+dt@kernel.org, robh@kernel.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, hy50.seo@samsung.com, kwangwon.min@samsung.com, ping.gao@samsung.com Subject: [PATCH v3 3/3] dt-bindings: mmc: synopsys-dw-mshc: No need to enforce setting two clocks Date: Thu, 26 Feb 2026 17:10:51 +0800 Message-ID: <20260226091051.300579-1-ping.gao@samsung.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CMS-MailID: 20260226090557epcas5p417e32bd964f256e22e7005057e1d1092 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P X-CMS-RootMailID: 20260123085150epcas5p42f2cc04843ae7657380b2968261246cb References: The driver `dw_mmc.c` now treats the biu clock as optional, so the binding can be relaxed to allow a single clock. Signed-off-by: ping.gao --- Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml index a6292777e376..7a02fb6f585b 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml @@ -24,11 +24,12 @@ properties: maxItems: 1 clocks: - minItems: 2 + minItems: 1 maxItems: 2 description: Handle to "biu" and "ciu" clocks for the bus interface unit clock and the card interface unit clock. + If only one clock is present it must be "ciu" clock. clock-names: items: -- 2.50.1