diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
4 files changed, 42 insertions, 19 deletions
diff --git a/Documentation/devicetree/bindings/serial/8250.txt b/Documentation/devicetree/bindings/serial/8250.txt index 91d5ab0e60fc..936ab5b87324 100644 --- a/Documentation/devicetree/bindings/serial/8250.txt +++ b/Documentation/devicetree/bindings/serial/8250.txt @@ -14,7 +14,6 @@ Required properties: tegra132, or tegra210. - "nxp,lpc3220-uart" - "ralink,rt2880-uart" - - "ibm,qpace-nwp-serial" - "altr,16550-FIFO32" - "altr,16550-FIFO64" - "altr,16550-FIFO128" diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index 35ae1fb3537f..ed94c217c98d 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -9,7 +9,7 @@ Optional properties: - fsl,uart-has-rtscts : Indicate the uart has rts and cts - fsl,irda-mode : Indicate the uart supports irda mode - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works - is DCE mode by default. + in DCE mode by default. Note: Each uart controller should have an alias correctly numbered in "aliases" node. diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index 2d47add34765..a833a016f656 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -2,15 +2,15 @@ Required properties: - compatible should contain: - * "mediatek,mt8135-uart" for MT8135 compatible UARTS + * "mediatek,mt2701-uart" for MT2701 compatible UARTS + * "mediatek,mt6580-uart" for MT6580 compatible UARTS + * "mediatek,mt6582-uart" for MT6582 compatible UARTS + * "mediatek,mt6589-uart" for MT6589 compatible UARTS + * "mediatek,mt6795-uart" for MT6795 compatible UARTS * "mediatek,mt8127-uart" for MT8127 compatible UARTS + * "mediatek,mt8135-uart" for MT8135 compatible UARTS * "mediatek,mt8173-uart" for MT8173 compatible UARTS - * "mediatek,mt6795-uart" for MT6795 compatible UARTS - * "mediatek,mt6589-uart" for MT6589 compatible UARTS - * "mediatek,mt6582-uart" for MT6582 compatible UARTS - * "mediatek,mt6580-uart" for MT6580 compatible UARTS - * "mediatek,mt6577-uart" for all compatible UARTS (MT8173, MT6795, - MT6589, MT6582, MT6580, MT6577) + * "mediatek,mt6577-uart" for MT6577 and all of the above - reg: The base address of the UART register bank. diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt index 73f825e5e644..401b1b33c2c4 100644 --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -2,7 +2,7 @@ Required properties: - - compatible: Must contain one of the following: + - compatible: Must contain one or more of the following: - "renesas,scif-r7s72100" for R7S72100 (RZ/A1H) SCIF compatible UART. - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART. @@ -15,10 +15,14 @@ Required properties: - "renesas,scifa-r8a7790" for R8A7790 (R-Car H2) SCIFA compatible UART. - "renesas,scifb-r8a7790" for R8A7790 (R-Car H2) SCIFB compatible UART. - "renesas,hscif-r8a7790" for R8A7790 (R-Car H2) HSCIF compatible UART. - - "renesas,scif-r8a7791" for R8A7791 (R-Car M2) SCIF compatible UART. - - "renesas,scifa-r8a7791" for R8A7791 (R-Car M2) SCIFA compatible UART. - - "renesas,scifb-r8a7791" for R8A7791 (R-Car M2) SCIFB compatible UART. - - "renesas,hscif-r8a7791" for R8A7791 (R-Car M2) HSCIF compatible UART. + - "renesas,scif-r8a7791" for R8A7791 (R-Car M2-W) SCIF compatible UART. + - "renesas,scifa-r8a7791" for R8A7791 (R-Car M2-W) SCIFA compatible UART. + - "renesas,scifb-r8a7791" for R8A7791 (R-Car M2-W) SCIFB compatible UART. + - "renesas,hscif-r8a7791" for R8A7791 (R-Car M2-W) HSCIF compatible UART. + - "renesas,scif-r8a7793" for R8A7793 (R-Car M2-N) SCIF compatible UART. + - "renesas,scifa-r8a7793" for R8A7793 (R-Car M2-N) SCIFA compatible UART. + - "renesas,scifb-r8a7793" for R8A7793 (R-Car M2-N) SCIFB compatible UART. + - "renesas,hscif-r8a7793" for R8A7793 (R-Car M2-N) HSCIF compatible UART. - "renesas,scif-r8a7794" for R8A7794 (R-Car E2) SCIF compatible UART. - "renesas,scifa-r8a7794" for R8A7794 (R-Car E2) SCIFA compatible UART. - "renesas,scifb-r8a7794" for R8A7794 (R-Car E2) SCIFB compatible UART. @@ -27,6 +31,14 @@ Required properties: - "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART. - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART. - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART. + - "renesas,rcar-gen1-scif" for R-Car Gen1 SCIF compatible UART, + - "renesas,rcar-gen2-scif" for R-Car Gen2 SCIF compatible UART, + - "renesas,rcar-gen3-scif" for R-Car Gen3 SCIF compatible UART, + - "renesas,rcar-gen2-scifa" for R-Car Gen2 SCIFA compatible UART, + - "renesas,rcar-gen2-scifb" for R-Car Gen2 SCIFB compatible UART, + - "renesas,rcar-gen1-hscif" for R-Car Gen1 HSCIF compatible UART, + - "renesas,rcar-gen2-hscif" for R-Car Gen2 HSCIF compatible UART, + - "renesas,rcar-gen3-hscif" for R-Car Gen3 HSCIF compatible UART, - "renesas,scif" for generic SCIF compatible UART. - "renesas,scifa" for generic SCIFA compatible UART. - "renesas,scifb" for generic SCIFB compatible UART. @@ -34,15 +46,26 @@ Required properties: - "renesas,sci" for generic SCI compatible UART. When compatible with the generic version, nodes must list the - SoC-specific version corresponding to the platform first followed by the - generic version. + SoC-specific version corresponding to the platform first, followed by the + family-specific and/or generic versions. - reg: Base address and length of the I/O registers used by the UART. - interrupts: Must contain an interrupt-specifier for the SCIx interrupt. - clocks: Must contain a phandle and clock-specifier pair for each entry in clock-names. - - clock-names: Must contain "sci_ick" for the SCIx UART interface clock. + - clock-names: Must contain "fck" for the SCIx UART functional clock. + Apart from the divided functional clock, there may be other possible + sources for the sampling clock, depending on SCIx variant. + On (H)SCI(F) and some SCIFA, an additional clock may be specified: + - "hsck" for the optional external clock input (on HSCIF), + - "sck" for the optional external clock input (on other variants). + On UARTs equipped with a Baud Rate Generator for External Clock (BRG) + (some SCIF and HSCIF), additional clocks may be specified: + - "brg_int" for the optional internal clock source for the frequency + divider (typically the (AXI or SHwy) bus clock), + - "scif_clk" for the optional external clock source for the frequency + divider (SCIF_CLK). Note: Each enabled SCIx UART should have an alias correctly numbered in the "aliases" node. @@ -58,12 +81,13 @@ Example: }; scifa0: serial@e6c40000 { - compatible = "renesas,scifa-r8a7790", "renesas,scifa"; + compatible = "renesas,scifa-r8a7790", + "renesas,rcar-gen2-scifa", "renesas,scifa"; reg = <0 0xe6c40000 0 64>; interrupt-parent = <&gic>; interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>; - clock-names = "sci_ick"; + clock-names = "fck"; dmas = <&dmac0 0x21>, <&dmac0 0x22>; dma-names = "tx", "rx"; }; |