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-rw-r--r--Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
index c39ac2891951..89a0084df2f7 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
@@ -7,8 +7,13 @@ Required properties:
7- voltage-ranges : two cells are required, first cell specifies minimum 7- voltage-ranges : two cells are required, first cell specifies minimum
8 slot voltage (mV), second cell specifies maximum slot voltage (mV). 8 slot voltage (mV), second cell specifies maximum slot voltage (mV).
9 Several ranges could be specified. 9 Several ranges could be specified.
10- gpios : (optional) may specify GPIOs in this order: Card-Detect GPIO, 10
11Optional properties:
12- gpios : may specify GPIOs in this order: Card-Detect GPIO,
11 Write-Protect GPIO. 13 Write-Protect GPIO.
14- interrupts : the interrupt of a card detect interrupt.
15- interrupt-parent : the phandle for the interrupt controller that
16 services interrupts for this device.
12 17
13Example: 18Example:
14 19
@@ -20,4 +25,6 @@ Example:
20 &qe_pio_d 15 0>; 25 &qe_pio_d 15 0>;
21 voltage-ranges = <3300 3300>; 26 voltage-ranges = <3300 3300>;
22 spi-max-frequency = <50000000>; 27 spi-max-frequency = <50000000>;
28 interrupts = <42>;
29 interrupt-parent = <&PIC>;
23 }; 30 };