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dt-bindings: serial: renesas,sci: Document RZ/G2L SoC

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Add SCI binding documentation for Renesas RZ/G2L SoC.

Also update the example node with RZ/G2L SCI0 node.

Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20211110232920.19198-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lad Prabhakar 2021-11-10 23:29:19 +00:00 committed by Greg Kroah-Hartman
parent 0836150c26
commit e1c0fc1013
1 changed files with 40 additions and 6 deletions

46
Documentation/devicetree/bindings/serial/renesas,sci.yaml
View File

@ -14,7 +14,14 @@ allOf:
properties:
compatible:
const: renesas,sci
oneOf:
- items:
- enum:
- renesas,r9a07g044-sci # RZ/G2{L,LC}
- const: renesas,sci # generic SCI compatible UART
- items:
- const: renesas,sci # generic SCI compatible UART
reg:
maxItems: 1
@ -54,18 +61,45 @@ required:
- clocks
- clock-names
if:
properties:
compatible:
contains:
enum:
- renesas,r9a07g044-sci
then:
properties:
resets:
maxItems: 1
power-domains:
maxItems: 1
required:
- resets
- power-domains
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/r9a07g044-cpg.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
aliases {
serial0 = &sci0;
};
sci0: serial@ffff78 {
compatible = "renesas,sci";
reg = <0xffff78 8>;
interrupts = <88 0>, <89 0>, <90 0>, <91 0>;
clocks = <&fclk>;
sci0: serial@1004d000 {
compatible = "renesas,r9a07g044-sci", "renesas,sci";
reg = <0x1004d000 0x400>;
interrupts = <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "eri", "rxi", "txi", "tei";
clocks = <&cpg CPG_MOD R9A07G044_SCI0_CLKP>;
clock-names = "fck";
power-domains = <&cpg>;
resets = <&cpg R9A07G044_SCI0_RST>;
};