From mboxrd@z Thu Jan 1 00:00:00 1970 From: prabhakar.mahadev-lad.rj@bp.renesas.com (Lad Prabhakar) Date: Sat, 1 Feb 2020 12:26:49 +0000 Subject: [cip-dev] [PATCH 4.19.y-cip 01/14] dt-bindings: i2c: rcar: Rename bindings documentation file In-Reply-To: <1580560022-26873-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <1580560022-26873-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> Message-ID: <1580560022-26873-2-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org From: Simon Horman commit 4e4521f76ff96f83561555f76c50d25314320d10 upstream. Rename the bindings documentation file for R-Car I2C controller from i2c-rcar.txt to renesas,i2c.txt. This is part of an ongoing effort to name bindings documentation files for Renesas IP blocks consistently, in line with the compat strings they document. Signed-off-by: Simon Horman Reviewed-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang (dropped unsupported compatible strings. dropped updating MAINTAINERS file since the entry didnt exist) Signed-off-by: Lad Prabhakar --- Documentation/devicetree/bindings/i2c/i2c-rcar.txt | 60 ---------------------- .../devicetree/bindings/i2c/renesas,i2c.txt | 60 ++++++++++++++++++++++ 2 files changed, 60 insertions(+), 60 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-rcar.txt create mode 100644 Documentation/devicetree/bindings/i2c/renesas,i2c.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt deleted file mode 100644 index c6367d0..0000000 --- a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt +++ /dev/null @@ -1,60 +0,0 @@ -I2C for R-Car platforms - -Required properties: -- compatible: - "renesas,i2c-r8a7743" if the device is a part of a R8A7743 SoC. - "renesas,i2c-r8a7745" if the device is a part of a R8A7745 SoC. - "renesas,i2c-r8a774a1" if the device is a part of a R8A774A1 SoC. - "renesas,i2c-r8a774c0" if the device is a part of a R8A774C0 SoC. - "renesas,i2c-r8a7778" if the device is a part of a R8A7778 SoC. - "renesas,i2c-r8a7779" if the device is a part of a R8A7779 SoC. - "renesas,i2c-r8a7790" if the device is a part of a R8A7790 SoC. - "renesas,i2c-r8a7791" if the device is a part of a R8A7791 SoC. - "renesas,i2c-r8a7792" if the device is a part of a R8A7792 SoC. - "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-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. - "renesas,i2c-r8a77990" if the device is a part of a R8A77990 SoC. - "renesas,i2c-r8a77995" if the device is a part of a R8A77995 SoC. - "renesas,rcar-gen1-i2c" for a generic R-Car Gen1 compatible device. - "renesas,rcar-gen2-i2c" for a generic R-Car Gen2 or RZ/G1 compatible - device. - "renesas,rcar-gen3-i2c" for a generic R-Car Gen3 or RZ/G2 compatible - device. - "renesas,i2c-rcar" (deprecated) - - When compatible with the generic version, nodes must list the - SoC-specific version corresponding to the platform first followed - by the generic version. - -- reg: physical base address of the controller and length of memory mapped - region. -- interrupts: interrupt specifier. - -Optional properties: -- clock-frequency: desired I2C bus clock frequency in Hz. The absence of this - property indicates the default frequency 100 kHz. -- clocks: clock specifier. -- 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". - -- i2c-scl-falling-time-ns: see i2c.txt -- i2c-scl-internal-delay-ns: see i2c.txt -- i2c-scl-rising-time-ns: see i2c.txt - -Examples : - -i2c0: i2c at e6508000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "renesas,i2c-r8a7791", "renesas,rcar-gen2-i2c"; - reg = <0 0xe6508000 0 0x40>; - interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&mstp9_clks R8A7791_CLK_I2C0>; - clock-frequency = <400000>; -}; diff --git a/Documentation/devicetree/bindings/i2c/renesas,i2c.txt b/Documentation/devicetree/bindings/i2c/renesas,i2c.txt new file mode 100644 index 0000000..c6367d0 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/renesas,i2c.txt @@ -0,0 +1,60 @@ +I2C for R-Car platforms + +Required properties: +- compatible: + "renesas,i2c-r8a7743" if the device is a part of a R8A7743 SoC. + "renesas,i2c-r8a7745" if the device is a part of a R8A7745 SoC. + "renesas,i2c-r8a774a1" if the device is a part of a R8A774A1 SoC. + "renesas,i2c-r8a774c0" if the device is a part of a R8A774C0 SoC. + "renesas,i2c-r8a7778" if the device is a part of a R8A7778 SoC. + "renesas,i2c-r8a7779" if the device is a part of a R8A7779 SoC. + "renesas,i2c-r8a7790" if the device is a part of a R8A7790 SoC. + "renesas,i2c-r8a7791" if the device is a part of a R8A7791 SoC. + "renesas,i2c-r8a7792" if the device is a part of a R8A7792 SoC. + "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-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. + "renesas,i2c-r8a77990" if the device is a part of a R8A77990 SoC. + "renesas,i2c-r8a77995" if the device is a part of a R8A77995 SoC. + "renesas,rcar-gen1-i2c" for a generic R-Car Gen1 compatible device. + "renesas,rcar-gen2-i2c" for a generic R-Car Gen2 or RZ/G1 compatible + device. + "renesas,rcar-gen3-i2c" for a generic R-Car Gen3 or RZ/G2 compatible + device. + "renesas,i2c-rcar" (deprecated) + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first followed + by the generic version. + +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: interrupt specifier. + +Optional properties: +- clock-frequency: desired I2C bus clock frequency in Hz. The absence of this + property indicates the default frequency 100 kHz. +- clocks: clock specifier. +- 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". + +- i2c-scl-falling-time-ns: see i2c.txt +- i2c-scl-internal-delay-ns: see i2c.txt +- i2c-scl-rising-time-ns: see i2c.txt + +Examples : + +i2c0: i2c at e6508000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7791", "renesas,rcar-gen2-i2c"; + reg = <0 0xe6508000 0 0x40>; + interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R8A7791_CLK_I2C0>; + clock-frequency = <400000>; +}; -- 2.7.4