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-Device tree configuration for Renesas IIC (sh_mobile) driver
-
-Required properties:
-- compatible :
- - "renesas,iic-r8a73a4" (R-Mobile APE6)
- - "renesas,iic-r8a7740" (R-Mobile A1)
- - "renesas,iic-r8a7742" (RZ/G1H)
- - "renesas,iic-r8a7743" (RZ/G1M)
- - "renesas,iic-r8a7744" (RZ/G1N)
- - "renesas,iic-r8a7745" (RZ/G1E)
- - "renesas,iic-r8a774a1" (RZ/G2M)
- - "renesas,iic-r8a774b1" (RZ/G2N)
- - "renesas,iic-r8a774c0" (RZ/G2E)
- - "renesas,iic-r8a774e1" (RZ/G2H)
- - "renesas,iic-r8a7790" (R-Car H2)
- - "renesas,iic-r8a7791" (R-Car M2-W)
- - "renesas,iic-r8a7792" (R-Car V2H)
- - "renesas,iic-r8a7793" (R-Car M2-N)
- - "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)
- - "renesas,rcar-gen2-iic" (generic R-Car Gen2 or RZ/G1
- compatible device)
- - "renesas,rcar-gen3-iic" (generic R-Car Gen3 or RZ/G2
- compatible device)
- - "renesas,rmobile-iic" (generic device)
-
- When compatible with a generic R-Car version, nodes
- must list the SoC-specific version corresponding to
- the platform first followed by the generic R-Car
- version.
-
- When compatible with "renesas,rmobile-iic" it should
- be the last compatibility string listed.
-
- The r8a77990 (R-Car E3) and r8a774c0 (RZ/G2E)
- controllers are not considered compatible with
- "renesas,rcar-gen3-iic" or "renesas,rmobile-iic"
- due to the absence of automatic transmission registers.
-
-- reg : address start and address range size of device
-- interrupts : interrupt of device
-- clocks : clock for device
-- #address-cells : should be <1>
-- #size-cells : should be <0>
-
-Optional properties:
-- clock-frequency : frequency of bus clock in Hz. Default 100kHz if unset.
-- dmas : Must contain a list of two references to DMA
- specifiers, one for transmission, and one for
- reception.
-- dma-names : Must contain a list of two DMA names, "tx" and "rx".
-
-
-Pinctrl properties might be needed, too. See there.
-
-Example:
-
- iic0: i2c@e6500000 {
- compatible = "renesas,iic-r8a7790", "renesas,rcar-gen2-iic",
- "renesas,rmobile-iic";
- reg = <0 0xe6500000 0 0x425>;
- interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp3_clks R8A7790_CLK_IIC0>;
- clock-frequency = <400000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };