diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt index ae73bb0e9..73f825e5e 100644 --- a/kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt +++ b/kernel/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -23,12 +23,15 @@ Required properties: - "renesas,scifa-r8a7794" for R8A7794 (R-Car E2) SCIFA compatible UART. - "renesas,scifb-r8a7794" for R8A7794 (R-Car E2) SCIFB compatible UART. - "renesas,hscif-r8a7794" for R8A7794 (R-Car E2) HSCIF compatible UART. + - "renesas,scif-r8a7795" for R8A7795 (R-Car H3) SCIF compatible UART. + - "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,scif" for generic SCIF compatible UART. - "renesas,scifa" for generic SCIFA compatible UART. - "renesas,scifb" for generic SCIFB compatible UART. - "renesas,hscif" for generic HSCIF compatible UART. + - "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 @@ -44,6 +47,11 @@ Required properties: Note: Each enabled SCIx UART should have an alias correctly numbered in the "aliases" node. +Optional properties: + - 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". + Example: aliases { serial0 = &scifa0; @@ -56,4 +64,6 @@ Example: interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>; clock-names = "sci_ick"; + dmas = <&dmac0 0x21>, <&dmac0 0x22>; + dma-names = "tx", "rx"; }; |