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| author | Olof Johansson <olof@lixom.net> | 2014-01-02 10:57:05 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-01-02 10:57:05 -0800 |
| commit | c7fed591a6d5ce080482e4237bd02c99857c0d4f (patch) | |
| tree | f697a76b366a228e21c222061bcef7000b973949 /Documentation | |
| parent | efcf3d38f128cfbfc7a62c3a5dc3fb42991c12e5 (diff) | |
| parent | 20bdcab8268cb05702e12ae9013be96ecc7ec3a6 (diff) | |
Merge tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
From Simon Horman:
Third Round of Renesas SH SCI Updates for v3.14
* Add Device Tree Support
* Remove platform data mapbase and irqs fields
* Remove platform data scbrr_algo_id field
* tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/renesas,sci-serial.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt new file mode 100644 index 000000000000..f372cf29068d --- /dev/null +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -0,0 +1,46 @@ +* Renesas SH-Mobile Serial Communication Interface + +Required properties: + + - compatible: Must contain one of the following: + + - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART. + - "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" 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. + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first followed by the + generic version. + + - 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. + +Note: Each enabled SCIx UART should have an alias correctly numbered in the +"aliases" node. + +Example: + aliases { + serial0 = &scifa0; + }; + + scifa0: serial@e6c40000 { + compatible = "renesas,scifa-r8a7790", "renesas,scifa-generic"; + 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"; + }; |