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Date: Fri, 7 Oct 2016 18:18:30 +0300
From: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
To: Lee Jones <lee.jones@...aro.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Frank Rowand <frowand.list@...il.com>,
Wolfram Sang <wsa@...-dreams.de>,
David Woodhouse <dwmw2@...radead.org>,
Brian Norris <computersforpeace@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Wim Van Sebroeck <wim@...ana.be>,
Peter Rosin <peda@...ntia.se>,
Debjit Ghosh <dghosh@...iper.net>,
Georgi Vlaev <gvlaev@...iper.net>,
Guenter Roeck <linux@...ck-us.net>,
Maryam Seraj <mseraj@...iper.net>,
Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-watchdog@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH 02/10] mfd: sam: Add documentation for the SAM FPGA
From: Georgi Vlaev <gvlaev@...iper.net>
Add DT bindings document for the SAM MFD device.
Signed-off-by: Georgi Vlaev <gvlaev@...iper.net>
[Ported from Juniper kernel]
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
---
Documentation/devicetree/bindings/mfd/jnx-sam.txt | 94 +++++++++++++++++++++++
1 file changed, 94 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/jnx-sam.txt
diff --git a/Documentation/devicetree/bindings/mfd/jnx-sam.txt b/Documentation/devicetree/bindings/mfd/jnx-sam.txt
new file mode 100644
index 0000000..b4af7ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/jnx-sam.txt
@@ -0,0 +1,94 @@
+Device-Tree bindings for Juniper Networks SAM MFD
+
+Required properties:
+
+- compatible - Must be: "jnx,sam"
+
+Optional properties:
+
+- pma-coefficients: A set of tupples containing the configuration of the PMA.
+
+Device Description
+------ -----------
+jnx,i2c-sam : I2C mux driver
+jnx,gpio-sam : GPIO block
+jnx,flash-sam : MTD Flash
+jnx,mdio-sam : MDIO interfaces
+
+All these optional nodes are described in their respective binding
+documents.
+
+Example node:
+
+pci-0000-10-00.0 {
+ compatible = "jnx,sam";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pma-coefficients = <4 0x0>;
+
+ i2c-sam@10 {
+ compatible = "jnx,i2c-sam";
+ mux-channels = <2>;
+ master-offset = <0x10000>;
+ };
+
+ gpiogpqam0: gpio-sam@10 {
+ compatible = "jnx,gpio-sam";
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-count = <297>;
+ interrupt-controller;
+ /*
+ * 1st cell: gpio interrupt status bit
+ * 2nd cell: 1st pin
+ * 3rd cell: # of pins
+ */
+ gpio-interrupts =
+ <0 0 12>, /* phy_int_monitor_en [16] */
+ <1 235 24>, /* qsfpp_fpga_int_monitor [17] */
+ <2 259 24>, /* qsfpp_fpga_modprs_monitor [18] */
+ <3 295 1>, /* si5345_fpga_monitor [19] */
+ <4 294 1>; /* fpc_pic_int_monitor [20] */
+ };
+
+ flash-sam@10 {
+ compatible = "jnx,flash-sam";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ reg = <0x0 0x400000>;
+ label = "pic0-golden";
+ read-only;
+ };
+ partition@...000 {
+ reg = <0x400000 0x400000>;
+ label = "pic0-user";
+ };
+ };
+
+ mdio-sam@10 {
+ compatible = "jnx,mdio-sam";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x40000>;
+
+ /* mii_bus types */
+ mdio0: mdio-sam@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0>;
+ };
+
+ mdio1: mdio-sam@...0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x4000>;
+ };
+
+ mdio2: mdio-sam@...0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x8000>;
+ };
+ };
+};
--
1.9.1
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