Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / hsi / nokia-modem.txt

diff --git a/kernel/Documentation/devicetree/bindings/hsi/nokia-modem.txt b/kernel/Documentation/devicetree/bindings/hsi/nokia-modem.txt
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+Nokia modem client bindings
+
+The Nokia modem HSI client follows the common HSI client binding
+and inherits all required properties. The following additional
+properties are needed by the Nokia modem HSI client:
+
+Required properties:
+- compatible:          Should be one of
+      "nokia,n900-modem"
+- hsi-channel-names:   Should contain the following strings
+      "mcsaab-control"
+      "speech-control"
+      "speech-data"
+      "mcsaab-data"
+- gpios:               Should provide a GPIO handler for each GPIO listed in
+                        gpio-names
+- gpio-names:          Should contain the following strings
+      "cmt_apeslpx"
+      "cmt_rst_rq"
+      "cmt_en"
+      "cmt_rst"
+      "cmt_bsi"
+- interrupts:          Should be IRQ handle for modem's reset indication
+
+Example:
+
+&ssi_port {
+       modem: hsi-client {
+               compatible = "nokia,n900-modem";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&modem_pins>;
+
+               hsi-channel-ids = <0>, <1>, <2>, <3>;
+               hsi-channel-names = "mcsaab-control",
+                                   "speech-control",
+                                   "speech-data",
+                                   "mcsaab-data";
+               hsi-speed-kbps = <55000>;
+               hsi-mode = "frame";
+               hsi-flow = "synchronized";
+               hsi-arb-mode = "round-robin";
+
+               interrupts-extended = <&gpio3 8 IRQ_TYPE_EDGE_FALLING>; /* 72 */
+
+               gpios = <&gpio3  6 GPIO_ACTIVE_HIGH>, /* 70 */
+                       <&gpio3  9 GPIO_ACTIVE_HIGH>, /* 73 */
+                       <&gpio3 10 GPIO_ACTIVE_HIGH>, /* 74 */
+                       <&gpio3 11 GPIO_ACTIVE_HIGH>, /* 75 */
+                       <&gpio5 29 GPIO_ACTIVE_HIGH>; /* 157 */
+               gpio-names = "cmt_apeslpx",
+                            "cmt_rst_rq",
+                            "cmt_en",
+                            "cmt_rst",
+                            "cmt_bsi";
+       };
+};