Merge tag 'fbdev-v5.1' of git://github.com/bzolnier/linux

[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / pinctrl / atmel,at91-pinctrl.txt

diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
index 3e23fece99dabda20f18e649b708702524e02454..eb39f5051159f3aa29c0ace536288b7e592dae05 100644 (file)
--- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
@@ -19,7 +19,7 @@ such as pull-up, multi drive, etc.
 
 Required properties for iomux controller:
 - compatible: "atmel,at91rm9200-pinctrl" or "atmel,at91sam9x5-pinctrl"
-               or "atmel,sama5d3-pinctrl"
+               or "atmel,sama5d3-pinctrl" or "microchip,sam9x60-pinctrl"
 - atmel,mux-mask: array of mask (periph per bank) to describe if a pin can be
   configured in this periph mode. All the periph and bank need to be describe.
 
@@ -100,6 +100,7 @@ DRIVE_STRENGTH (3 << 5): indicate the drive strength of the pin using the
                                11 - High
 OUTPUT         (1 << 7): indicate this pin need to be configured as an output.
 OUTPUT_VAL     (1 << 8): output val (1 = high, 0 = low)
+SLEWRATE       (1 << 9): slew rate of the pin: 0 = disable, 1 = enable
 DEBOUNCE       (1 << 16): indicate this pin needs debounce.
 DEBOUNCE_VAL   (0x3fff << 17): debounce value.
 
@@ -116,6 +117,19 @@ Some requirements for using atmel,at91rm9200-pinctrl binding:
    configurations by referring to the phandle of that pin configuration node.
 4. The gpio controller must be describe in the pinctrl simple-bus.
 
+For each bank the required properties are:
+- compatible: "atmel,at91sam9x5-gpio" or "atmel,at91rm9200-gpio" or
+  "microchip,sam9x60-gpio"
+- reg: physical base address and length of the controller's registers
+- interrupts: interrupt outputs from the controller
+- interrupt-controller: marks the device node as an interrupt controller
+- #interrupt-cells: should be 2; refer to ../interrupt-controller/interrupts.txt
+  for more details.
+- gpio-controller
+- #gpio-cells: should be 2; the first cell is the GPIO number and the second
+  cell specifies GPIO flags as defined in <dt-bindings/gpio/gpio.h>.
+- clocks: bank clock
+
 Examples:
 
 pinctrl@fffff400 {
@@ -125,6 +139,17 @@ pinctrl@fffff400 {
        compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
        reg = <0xfffff400 0x600>;
 
+       pioA: gpio@fffff400 {
+               compatible = "atmel,at91sam9x5-gpio";
+               reg = <0xfffff400 0x200>;
+               interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
+               #gpio-cells = <2>;
+               gpio-controller;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               clocks = <&pmc PMC_TYPE_PERIPHERAL 2>;
+       };
+
        atmel,mux-mask = <
              /*    A         B     */
               0xffffffff 0xffc00c3b  /* pioA */