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[73.228.159.35]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4f4f44e26fcsm595914173.120.2025.04.08.10.51.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Apr 2025 10:51:50 -0700 (PDT) From: Alex Elder To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org Cc: benjamin.larsson@genexis.eu, bastien.curutchet@bootlin.com, andriy.shevchenko@linux.intel.com, u.kleine-koenig@baylibre.com, lkundrak@v3.sk, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: serial: 8250: support an optional second clock Date: Tue, 8 Apr 2025 12:51:42 -0500 Message-ID: <20250408175146.979557-2-elder@riscstar.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250408175146.979557-1-elder@riscstar.com> References: <20250408175146.979557-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SpacemiT UART driver requires a bus clock to be enabled in addition to the primary function clock. Add the option to specify two clocks for an 8250-compatible UART, named "core" and "bus". Signed-off-by: Alex Elder --- Documentation/devicetree/bindings/serial/8250.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index dc0d52920575f..1adf935b7f36f 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -135,7 +135,11 @@ properties: clock-frequency: true clocks: - maxItems: 1 + oneOf: + - maxItems: 1 + - items: + - const: core + - const: bus resets: maxItems: 1 -- 2.45.2