Documentation: Rename gpio controller name from cygnus to iproc

Renamed gpio controller's driver name from cygnus to iproc to make it
more generic so that all iProc based SoCs having the same gpio controller
could use this.

Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt
deleted file mode 100644 (file)
index 8b1e5d1..0000000
--- a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt
+++ /dev/null
@@ -1,109 +0,0 @@
-Broadcom Cygnus GPIO/PINCONF Controller
-
-Required properties:
-
-- compatible:
-    Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio",
-    "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio"
-
-- reg:
-    Define the base and range of the I/O address space that contains the Cygnus
-GPIO/PINCONF controller registers
-
-- ngpios:
-    Total number of in-use slots in GPIO controller
-
-- #gpio-cells:
-    Must be two. The first cell is the GPIO pin number (within the
-controller's pin space) and the second cell is used for the following:
-    bit[0]: polarity (0 for active high and 1 for active low)
-
-- gpio-controller:
-    Specifies that the node is a GPIO controller
-
-Optional properties:
-
-- interrupts:
-    Interrupt ID
-
-- interrupt-controller:
-    Specifies that the node is an interrupt controller
-
-- gpio-ranges:
-    Specifies the mapping between gpio controller and pin-controllers pins.
-    This requires 4 fields in cells defined as -
-    1. Phandle of pin-controller.
-    2. GPIO base pin offset.
-    3  Pin-control base pin offset.
-    4. number of gpio pins which are linearly mapped from pin base.
-
-Supported generic PINCONF properties in child nodes:
-
-- pins:
-    The list of pins (within the controller's own pin space) that properties
-in the node apply to. Pin names are "gpio-<pin>"
-
-- bias-disable:
-    Disable pin bias
-
-- bias-pull-up:
-    Enable internal pull up resistor
-
-- bias-pull-down:
-    Enable internal pull down resistor
-
-- drive-strength:
-    Valid drive strength values include 2, 4, 6, 8, 10, 12, 14, 16 (mA)
-
-Example:
-       gpio_ccm: gpio@1800a000 {
-               compatible = "brcm,cygnus-ccm-gpio";
-               reg = <0x1800a000 0x50>,
-                     <0x0301d164 0x20>;
-               ngpios = <24>;
-               #gpio-cells = <2>;
-               gpio-controller;
-               interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
-               interrupt-controller;
-
-               touch_pins: touch_pins {
-                       pwr: pwr {
-                               pins = "gpio-0";
-                               drive-strength = <16>;
-                       };
-
-                       event: event {
-                               pins = "gpio-1";
-                               bias-pull-up;
-                       };
-               };
-       };
-
-       gpio_asiu: gpio@180a5000 {
-               compatible = "brcm,cygnus-asiu-gpio";
-               reg = <0x180a5000 0x668>;
-               ngpios = <146>;
-               #gpio-cells = <2>;
-               gpio-controller;
-               interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
-               interrupt-controller;
-               gpio-ranges = <&pinctrl 0 42 1>,
-                               <&pinctrl 1 44 3>;
-       };
-
-       /*
-        * Touchscreen that uses the CCM GPIO 0 and 1
-        */
-       tsc {
-               ...
-               ...
-               gpio-pwr = <&gpio_ccm 0 0>;
-               gpio-event = <&gpio_ccm 1 0>;
-       };
-
-       /* Bluetooth that uses the ASIU GPIO 5, with polarity inverted */
-       bluetooth {
-               ...
-               ...
-               bcm,rfkill-bank-sel = <&gpio_asiu 5 1>
-       }

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
new file mode 100644 (file)
index 0000000..e427792
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt
@@ -0,0 +1,109 @@
+Broadcom iProc GPIO/PINCONF Controller
+
+Required properties:
+
+- compatible:
+    Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio",
+    "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio"
+
+- reg:
+    Define the base and range of the I/O address space that contains SoC
+GPIO/PINCONF controller registers
+
+- ngpios:
+    Total number of in-use slots in GPIO controller
+
+- #gpio-cells:
+    Must be two. The first cell is the GPIO pin number (within the
+controller's pin space) and the second cell is used for the following:
+    bit[0]: polarity (0 for active high and 1 for active low)
+
+- gpio-controller:
+    Specifies that the node is a GPIO controller
+
+Optional properties:
+
+- interrupts:
+    Interrupt ID
+
+- interrupt-controller:
+    Specifies that the node is an interrupt controller
+
+- gpio-ranges:
+    Specifies the mapping between gpio controller and pin-controllers pins.
+    This requires 4 fields in cells defined as -
+    1. Phandle of pin-controller.
+    2. GPIO base pin offset.
+    3  Pin-control base pin offset.
+    4. number of gpio pins which are linearly mapped from pin base.
+
+Supported generic PINCONF properties in child nodes:
+
+- pins:
+    The list of pins (within the controller's own pin space) that properties
+in the node apply to. Pin names are "gpio-<pin>"
+
+- bias-disable:
+    Disable pin bias
+
+- bias-pull-up:
+    Enable internal pull up resistor
+
+- bias-pull-down:
+    Enable internal pull down resistor
+
+- drive-strength:
+    Valid drive strength values include 2, 4, 6, 8, 10, 12, 14, 16 (mA)
+
+Example:
+       gpio_ccm: gpio@1800a000 {
+               compatible = "brcm,cygnus-ccm-gpio";
+               reg = <0x1800a000 0x50>,
+                     <0x0301d164 0x20>;
+               ngpios = <24>;
+               #gpio-cells = <2>;
+               gpio-controller;
+               interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-controller;
+
+               touch_pins: touch_pins {
+                       pwr: pwr {
+                               pins = "gpio-0";
+                               drive-strength = <16>;
+                       };
+
+                       event: event {
+                               pins = "gpio-1";
+                               bias-pull-up;
+                       };
+               };
+       };
+
+       gpio_asiu: gpio@180a5000 {
+               compatible = "brcm,cygnus-asiu-gpio";
+               reg = <0x180a5000 0x668>;
+               ngpios = <146>;
+               #gpio-cells = <2>;
+               gpio-controller;
+               interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-controller;
+               gpio-ranges = <&pinctrl 0 42 1>,
+                               <&pinctrl 1 44 3>;
+       };
+
+       /*
+        * Touchscreen that uses the CCM GPIO 0 and 1
+        */
+       tsc {
+               ...
+               ...
+               gpio-pwr = <&gpio_ccm 0 0>;
+               gpio-event = <&gpio_ccm 1 0>;
+       };
+
+       /* Bluetooth that uses the ASIU GPIO 5, with polarity inverted */
+       bluetooth {
+               ...
+               ...
+               bcm,rfkill-bank-sel = <&gpio_asiu 5 1>
+       }