[PATCH v2 1/7] dt-bindings: memory: renesas,rpc-if: Add support for the R9A07G044
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2021-10-25 20:56:46
Also in:
linux-renesas-soc, linux-spi, lkml
Subsystem:
memory controller drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Krzysztof Kozlowski, Rob Herring, Conor Dooley, Linus Torvalds
SPI Multi I/O Bus Controller on RZ/G2L SoC is almost identical to the RPC-IF interface found on R-Car Gen3 SoC's. This patch adds a new compatible string to identify the RZ/G2L family so that the timing values on RZ/G2L can be adjusted. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> --- v1->v2: * Rebased patch on top of V3U bindings * Included RB tags --- .../memory-controllers/renesas,rpc-if.yaml | 53 +++++++++++++------ 1 file changed, 38 insertions(+), 15 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
index 9da80e8f2444..43391a2d5bc5 100644
--- a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml@@ -24,17 +24,23 @@ allOf: properties: compatible: - items: - - enum: - - renesas,r8a774a1-rpc-if # RZ/G2M - - renesas,r8a774b1-rpc-if # RZ/G2N - - renesas,r8a774c0-rpc-if # RZ/G2E - - renesas,r8a774e1-rpc-if # RZ/G2H - - renesas,r8a77970-rpc-if # R-Car V3M - - renesas,r8a77980-rpc-if # R-Car V3H - - renesas,r8a77995-rpc-if # R-Car D3 - - renesas,r8a779a0-rpc-if # R-Car V3U - - const: renesas,rcar-gen3-rpc-if # a generic R-Car gen3 or RZ/G2 device + oneOf: + - items: + - enum: + - renesas,r8a774a1-rpc-if # RZ/G2M + - renesas,r8a774b1-rpc-if # RZ/G2N + - renesas,r8a774c0-rpc-if # RZ/G2E + - renesas,r8a774e1-rpc-if # RZ/G2H + - renesas,r8a77970-rpc-if # R-Car V3M + - renesas,r8a77980-rpc-if # R-Car V3H + - renesas,r8a77995-rpc-if # R-Car D3 + - renesas,r8a779a0-rpc-if # R-Car V3U + - const: renesas,rcar-gen3-rpc-if # a generic R-Car gen3 or RZ/G2{E,H,M,N} device + + - items: + - enum: + - renesas,r9a07g044-rpc-if # RZ/G2{L,LC} + - const: renesas,rzg2l-rpc-if # RZ/G2L family reg: items:
@@ -48,8 +54,7 @@ properties: - const: dirmap - const: wbuf - clocks: - maxItems: 1 + clocks: true power-domains: maxItems: 1
@@ -67,8 +72,6 @@ patternProperties: - cfi-flash - jedec,spi-nor -unevaluatedProperties: false - required: - compatible - reg
@@ -79,6 +82,26 @@ required: - '#address-cells' - '#size-cells' +if: + properties: + compatible: + contains: + enum: + - renesas,rzg2l-rpc-if +then: + properties: + clocks: + items: + - description: SPI Multi IO Register access clock (SPI_CLK2) + - description: SPI Multi IO Main clock (SPI_CLK). + +else: + properties: + clocks: + maxItems: 1 + +unevaluatedProperties: false + examples: - | #include <dt-bindings/clock/renesas-cpg-mssr.h>
--
2.17.1