diff options
Diffstat (limited to 'dts/Bindings/spi')
| -rw-r--r-- | dts/Bindings/spi/sh-msiof.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-gpio.txt | 24 |
2 files changed, 19 insertions, 6 deletions
diff --git a/dts/Bindings/spi/sh-msiof.txt b/dts/Bindings/spi/sh-msiof.txt index 80710f0f04..39806329c1 100644 --- a/dts/Bindings/spi/sh-msiof.txt +++ b/dts/Bindings/spi/sh-msiof.txt @@ -10,6 +10,7 @@ Required properties: "renesas,msiof-r8a7794" (R-Car E2) "renesas,msiof-r8a7795" (R-Car H3) "renesas,msiof-r8a7796" (R-Car M3-W) + "renesas,msiof-r8a77965" (R-Car M3-N) "renesas,msiof-sh73a0" (SH-Mobile AG5) "renesas,sh-mobile-msiof" (generic SH-Mobile compatibile device) "renesas,rcar-gen2-msiof" (generic R-Car Gen2 and RZ/G1 compatible device) diff --git a/dts/Bindings/spi/spi-gpio.txt b/dts/Bindings/spi/spi-gpio.txt index a95603bcf6..52db562f17 100644 --- a/dts/Bindings/spi/spi-gpio.txt +++ b/dts/Bindings/spi/spi-gpio.txt @@ -1,18 +1,30 @@ SPI-GPIO devicetree bindings +This represents a group of 3-n GPIO lines used for bit-banged SPI on dedicated +GPIO lines. + Required properties: - compatible: should be set to "spi-gpio" - #address-cells: should be set to <0x1> - ranges - - gpio-sck: GPIO spec for the SCK line to use - - gpio-miso: GPIO spec for the MISO line to use - - gpio-mosi: GPIO spec for the MOSI line to use + - sck-gpios: GPIO spec for the SCK line to use + - miso-gpios: GPIO spec for the MISO line to use + - mosi-gpios: GPIO spec for the MOSI line to use - cs-gpios: GPIOs to use for chipselect lines. Not needed if num-chipselects = <0>. - num-chipselects: Number of chipselect lines. Should be <0> if a single device with no chip select is connected. +Deprecated bindings: + +These legacy GPIO line bindings can alternatively be used to define the +GPIO lines used, they should not be used in new device trees. + + - gpio-sck: GPIO spec for the SCK line to use + - gpio-miso: GPIO spec for the MISO line to use + - gpio-mosi: GPIO spec for the MOSI line to use + Example: spi { @@ -20,9 +32,9 @@ Example: #address-cells = <0x1>; ranges; - gpio-sck = <&gpio 95 0>; - gpio-miso = <&gpio 98 0>; - gpio-mosi = <&gpio 97 0>; + sck-gpios = <&gpio 95 0>; + miso-gpios = <&gpio 98 0>; + mosi-gpios = <&gpio 97 0>; cs-gpios = <&gpio 125 0>; num-chipselects = <1>; |