[PATCH v2 2/3] dt-bindings: serial: renesas,sci: Document RZ/G2L SoC
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2021-11-09 12:17:04
Also in:
linux-renesas-soc, linux-serial, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Add SCI binding documentation for Renesas RZ/G2L SoC. Also update the example node with RZ/G2L SCI0 node. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> --- v1->v2 * Added const "renesas,sci" entry in compatible property for h8300 * Included RB tag from Geert --- .../bindings/serial/renesas,sci.yaml | 44 ++++++++++++++++--- 1 file changed, 38 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci.yaml b/Documentation/devicetree/bindings/serial/renesas,sci.yaml
index 22ed2f0b1dc3..141d3b368f10 100644
--- a/Documentation/devicetree/bindings/serial/renesas,sci.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,sci.yaml@@ -14,7 +14,12 @@ allOf: properties: compatible: - const: renesas,sci + oneOf: + - items: + - enum: + - renesas,r9a07g044-sci # RZ/G2{L,LC} + - const: renesas,sci # generic SCI compatible UART + - const: renesas,sci # generic SCI compatible UART reg: maxItems: 1
@@ -54,18 +59,45 @@ 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>; };
--
2.17.1