linux-kernel - [PATCH v1 2/3] dt-bindings: i3c: Document Qualcomm GENI I3C master bindings

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Message-Id: <1533101942-29442-3-git-send-email-mshettel@codeaurora.org>
Date:   Tue, 31 Jul 2018 23:39:01 -0600
From:   Mike Shettel <mshettel@...eaurora.org>
To:     gregkh@...uxfoundation.org, boris.brezillon@...tlin.com,
        robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org
Cc:     Mike Shettel <mshettel@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, evgreen@...omium.org,
        acourbot@...omium.org, swboyd@...omium.org, dianders@...omium.org,
        mka@...omium.org, bjorn.andersson@...aro.org
Subject: [PATCH v1 2/3] dt-bindings: i3c: Document Qualcomm GENI I3C master bindings

Signed-off-by: Mike Shettel <mshettel@...eaurora.org>
---
 .../devicetree/bindings/i3c/qcom,geni-i3c.txt      | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i3c/qcom,geni-i3c.txt

diff --git a/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.txt b/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.txt
new file mode 100644
index 0000000..8b76fda
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.txt
@@ -0,0 +1,44 @@
+Bindings for Qualcomm Geni I3C master block
+===========================================
+
+Required properties:
+--------------------
+- compatible: shall be "qcom,geni-i3c"
+- clocks: shall reference the se clock
+- clock-names: shall contain clock name corresponding to the serial engine
+- interrupts: the interrupt line connected to this I3C master
+- reg: I3C master registers
+
+Optional properties:
+--------------------
+- se-clock-frequency: Source serial clock frequency to use
+- dfs-index: Dynamic frequency scaling table index to use
+
+Mandatory properties defined by the generic binding (see
+Documentation/devicetree/bindings/i3c/i3c.txt for more details):
+
+- #address-cells: shall be set to 3
+- #size-cells: shall be set to 0
+
+Optional properties defined by the generic binding (see
+Documentation/devicetree/bindings/i3c/i3c.txt for more details):
+
+- i2c-scl-hz
+- i3c-scl-hz
+
+I3C device connected on the bus follow the generic description (see
+Documentation/devicetree/bindings/i3c/i3c.txt for more details).
+
+Example:
+
+	i3c-master@...40000 {
+		compatible = "qcom,geni-i3c";
+		clocks = <&clock_gcc GCC_QUPV3_WRAP0_S0_CLK>;
+		clock-names = "se";
+		interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>;
+		reg = <0x0d040000 0x4000>;
+		#address-cells = <3>;
+		#size-cells = <0>;
+		i2c-scl-hz = <100000>;
+	};
+
-- 
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