diff options
Diffstat (limited to 'Documentation/devicetree')
8 files changed, 36 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml index e8778560d966..0f6d8db18d6c 100644 --- a/Documentation/devicetree/bindings/eeprom/at24.yaml +++ b/Documentation/devicetree/bindings/eeprom/at24.yaml @@ -145,10 +145,7 @@ properties: over reads to the next slave address. Please consult the manual of your device. - wp-gpios: - description: - GPIO to which the write-protect pin of the chip is connected. - maxItems: 1 + wp-gpios: true address-width: allOf: @@ -167,6 +164,10 @@ properties: minimum: 1 maximum: 8 + vcc-supply: + description: + phandle of the regulator that provides the supply voltage. + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/eeprom/at25.txt b/Documentation/devicetree/bindings/eeprom/at25.txt index 42577dd113dd..fcacd97abd0a 100644 --- a/Documentation/devicetree/bindings/eeprom/at25.txt +++ b/Documentation/devicetree/bindings/eeprom/at25.txt @@ -20,6 +20,7 @@ Optional properties: - spi-cpha : SPI shifted clock phase, as per spi-bus bindings. - spi-cpol : SPI inverse clock polarity, as per spi-bus bindings. - read-only : this parameter-less property disables writes to the eeprom +- wp-gpios : GPIO to which the write-protect pin of the chip is connected Obsolete legacy properties can be used in place of "size", "pagesize", "address-width", and "read-only": @@ -36,6 +37,7 @@ Example: spi-max-frequency = <5000000>; spi-cpha; spi-cpol; + wp-gpios = <&gpio1 3 0>; pagesize = <64>; size = <32768>; diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt index 8347b1e7c080..d4bad86107b8 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt @@ -1,10 +1,16 @@ I2C for Atmel platforms Required properties : -- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", - "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c", - "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c", "atmel,sama5d2-i2c" or - "microchip,sam9x60-i2c" +- compatible : Must be one of: + "atmel,at91rm9200-i2c", + "atmel,at91sam9261-i2c", + "atmel,at91sam9260-i2c", + "atmel,at91sam9g20-i2c", + "atmel,at91sam9g10-i2c", + "atmel,at91sam9x5-i2c", + "atmel,sama5d4-i2c", + "atmel,sama5d2-i2c", + "microchip,sam9x60-i2c". - reg: physical base address of the controller and length of memory mapped region. - interrupts: interrupt number to the cpu. diff --git a/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt b/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt index 3738cfbf863f..d229eff5ca1b 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-jz4780.txt @@ -1,7 +1,9 @@ * Ingenic JZ4780 I2C Bus controller Required properties: -- compatible: should be "ingenic,jz4780-i2c" +- compatible: should be one of the following: + - "ingenic,jz4780-i2c" for the JZ4780 + - "ingenic,x1000-i2c" for the X1000 - reg: Should contain the address & size of the I2C controller registers. - interrupts: Should specify the interrupt provided by parent. - clocks: Should contain a single clock specifier for the JZ4780 I2C clock. diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt index 30ac6a60f041..7abda506b828 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt @@ -25,6 +25,8 @@ Required Properties: Optional Properties: - reset-gpios: Reference to the GPIO connected to the reset input. + - idle-state: if present, overrides i2c-mux-idle-disconnect, + Please refer to Documentation/devicetree/bindings/mux/mux-controller.txt - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all children in idle state. This is necessary for example, if there are several multiplexers on the bus and the devices behind them use same I2C addresses. diff --git a/Documentation/devicetree/bindings/i2c/renesas,i2c.txt b/Documentation/devicetree/bindings/i2c/renesas,i2c.txt index 0660a3eb2547..c359965d0724 100644 --- a/Documentation/devicetree/bindings/i2c/renesas,i2c.txt +++ b/Documentation/devicetree/bindings/i2c/renesas,i2c.txt @@ -17,7 +17,8 @@ Required properties: "renesas,i2c-r8a7793" if the device is a part of a R8A7793 SoC. "renesas,i2c-r8a7794" if the device is a part of a R8A7794 SoC. "renesas,i2c-r8a7795" if the device is a part of a R8A7795 SoC. - "renesas,i2c-r8a7796" if the device is a part of a R8A7796 SoC. + "renesas,i2c-r8a7796" if the device is a part of a R8A77960 SoC. + "renesas,i2c-r8a77961" if the device is a part of a R8A77961 SoC. "renesas,i2c-r8a77965" if the device is a part of a R8A77965 SoC. "renesas,i2c-r8a77970" if the device is a part of a R8A77970 SoC. "renesas,i2c-r8a77980" if the device is a part of a R8A77980 SoC. diff --git a/Documentation/devicetree/bindings/i2c/renesas,iic.txt b/Documentation/devicetree/bindings/i2c/renesas,iic.txt index 64d11ffb07c4..ffe085c9947e 100644 --- a/Documentation/devicetree/bindings/i2c/renesas,iic.txt +++ b/Documentation/devicetree/bindings/i2c/renesas,iic.txt @@ -17,6 +17,7 @@ Required properties: - "renesas,iic-r8a7794" (R-Car E2) - "renesas,iic-r8a7795" (R-Car H3) - "renesas,iic-r8a7796" (R-Car M3-W) + - "renesas,iic-r8a77961" (R-Car M3-W+) - "renesas,iic-r8a77965" (R-Car M3-N) - "renesas,iic-r8a77990" (R-Car E3) - "renesas,iic-sh73a0" (SH-Mobile AG5) diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml index 1c75a059206c..b43c6c65294e 100644 --- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml +++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml @@ -34,6 +34,14 @@ properties: description: Mark the provider as read only. + wp-gpios: + description: + GPIO to which the write-protect pin of the chip is connected. + The write-protect GPIO is asserted, when it's driven high + (logical '1') to block the write operation. It's deasserted, + when it's driven low (logical '0') to allow writing. + maxItems: 1 + patternProperties: "^.*@[0-9a-f]+$": type: object @@ -63,9 +71,12 @@ patternProperties: examples: - | + #include <dt-bindings/gpio/gpio.h> + qfprom: eeprom@700000 { #address-cells = <1>; #size-cells = <1>; + wp-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; /* ... */ |