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Date: Sat, 1 Jun 2019 11:41:13 +0530 Message-Id: <1559369475-15374-2-git-send-email-sagar.kadam@sifive.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1559369475-15374-1-git-send-email-sagar.kadam@sifive.com> References: <1559369475-15374-1-git-send-email-sagar.kadam@sifive.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190531_231144_823858_C28FC9E0 X-CRM114-Status: GOOD ( 11.52 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Reformatted compatibility strings to one valid combination on each line. Add FU540-C000 specific device tree bindings to already available i2-ocores file. This device is available on HiFive Unleashed Rev A00 board. Move interrupt under optional property list as this can be optional. The FU540-C000 SoC from sifive, has an Opencore's I2C block reimplementation. The DT compatibility string for this IP is present in HDL and available at. https://github.com/sifive/sifive-blocks/blob/master/src/main/scala/devices/i2c/I2C.scala#L73 Signed-off-by: Sagar Shrikant Kadam --- Documentation/devicetree/bindings/i2c/i2c-ocores.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt index 17bef9a..6b25a80 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt @@ -1,9 +1,13 @@ Device tree configuration for i2c-ocores Required properties: -- compatible : "opencores,i2c-ocores" or "aeroflexgaisler,i2cmst" +- compatible : "opencores,i2c-ocores" + "aeroflexgaisler,i2cmst" + "sifive,fu540-c000-i2c", "sifive,i2c0" + For Opencore based I2C IP block reimplemented in + FU540-C000 SoC. Please refer to sifive-blocks-ip-versioning.txt + for additional details. - reg : bus address start and address range size of device -- interrupts : interrupt number - clocks : handle to the controller clock; see the note below. Mutually exclusive with opencores,ip-clock-frequency - opencores,ip-clock-frequency: frequency of the controller clock in Hz; @@ -12,6 +16,7 @@ Required properties: - #size-cells : should be <0> Optional properties: +- interrupts : interrupt number. - clock-frequency : frequency of bus clock in Hz; see the note below. Defaults to 100 KHz when the property is not specified - reg-shift : device register offsets are shifted by this value -- 1.9.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv