From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm0-x231.google.com ([2a00:1450:400c:c09::231]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bsWwS-0005BX-9u for linux-mtd@lists.infradead.org; Fri, 07 Oct 2016 15:20:10 +0000 Received: by mail-wm0-x231.google.com with SMTP id b201so45861141wmb.0 for ; Fri, 07 Oct 2016 08:19:47 -0700 (PDT) From: Pantelis Antoniou To: Lee Jones Cc: Rob Herring , Linus Walleij , Alexandre Courbot , Mark Rutland , Frank Rowand , Wolfram Sang , David Woodhouse , Brian Norris , Wim Van Sebroeck , Guenter Roeck , Peter Rosin , Debjit Ghosh , Georgi Vlaev , Guenter Roeck , JawaharBalaji Thirumalaisamy , Rajat Jain , Pantelis Antoniou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-i2c@vger.kernel.org, linux-mtd@lists.infradead.org, linux-watchdog@vger.kernel.org Subject: [PATCH 02/10] mfd: ptxpmb-cpld: Add documentation for PTXPMB CPLD Date: Fri, 7 Oct 2016 18:17:23 +0300 Message-Id: <1475853451-22121-3-git-send-email-pantelis.antoniou@konsulko.com> In-Reply-To: <1475853451-22121-1-git-send-email-pantelis.antoniou@konsulko.com> References: <1475853451-22121-1-git-send-email-pantelis.antoniou@konsulko.com> List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Georgi Vlaev Add DT bindings document for the PTXPMB CPLD MFD device. Signed-off-by: Georgi Vlaev [Ported from Juniper kernel] Signed-off-by: Pantelis Antoniou --- .../devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt diff --git a/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt new file mode 100644 index 0000000..cc3cbb9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt @@ -0,0 +1,76 @@ +* Device tree bindings for Juniper's PTXPMB CPLD FPGA MFD driver + +The device supports a number I2C muxes, hardware watchdog and a gpio block. +Those devices bindings are described in the jnx-i2c-mux-ptxpmb-cpld, +jnx-ptxpmb-wdt and jnx-gpio-ptxpmb-cpld documents. + +Required properties: + +- compatible: "jnx,ptxpmb-cpld", "jnx,ngpmb-bcpld". They differ + in the i2c-mux blocks. + +- reg: contains offset/length value for device state control + registers space. + +Optional properties: + +- interrupts: The interrupt line(s) the /IRQ signal(s) for the device is + connected to. + +- interrupt-parent: The parent interrupt controller. + +Example: + +cpld@0,0 { + compatible = "jnx,ptxpmb-cpld"; + reg = <0x0 0 0x10000>; + + cpld-i2c-mux { + compatible = "jnx,i2c-mux-ptxpmb-cpld"; + #address-cells = <1>; + #size-cells = <0>; + + i2c-parent = <&i2c_master_0>; + + num-enable = <1>; + + i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + /* PMB devices are accessed through FPC */ + + temp-sensor@1a { /* FPC */ + compatible = "maxim,max6697"; + reg = <0x1a>; + smbus-timeout-disable; + resistance-cancellation; + alert-mask = <0xff>; + over-temperature-mask = <0xff>; + }; + }; + + pic0i2c: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + /* PIC 0 */ + }; + + pic1i2c: i2c@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; + + /* PIC 1 */ + }; + }; + + gpio_cpld: cpld_gpio { + compatible = "jnx,gpio-ptxpmb-cpld"; + #gpio-cells = <2>; + gpio-controller; + }; +}; -- 1.9.1