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Date: Thu, 1 Jun 2023 08:45:26 +0300
From: Nikita Shubin <nikita.shubin@...uefel.me>
To: Alexander Sverdlin <alexander.sverdlin@...il.com>,
Arnd Bergmann <arnd@...db.de>,
Linus Walleij <linus.walleij@...aro.org>,
Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Nikita Shubin <nikita.shubin@...uefel.me>
Cc: Michael Peters <mpeters@...eddedTS.com>,
Kris Bahnsen <kris@...eddedTS.com>, dmaengine@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 21/43] dt-bindings: dma: Add Cirrus EP93xx
Add YAML bindings for ep93xx SoC DMA.
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
Notes:
v0 -> v1:
Rob Herring:
- replaced maintainers
- defined each entry in reg, interrupts
- dropped dma-channels
Krzysztof Kozlowski:
- fixed title
- renamed files
- use fallback compatible and list all possible compatibles
- dropped label
- fix ident
.../bindings/dma/cirrus,ep9301-dma-m2m.yaml | 72 ++++++++++
.../bindings/dma/cirrus,ep9301-dma-m2p.yaml | 124 ++++++++++++++++++
2 files changed, 196 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml
create mode 100644 Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml
diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml
new file mode 100644
index 000000000000..413492268bd7
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2m.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logick ep93xx SoC DMA controller
+
+maintainers:
+ - Alexander Sverdlin <alexander.sverdlin@...il.com>
+ - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+ compatible:
+ oneOf:
+ - const: cirrus,ep9301-dma-m2m
+ - items:
+ - enum:
+ - cirrus,ep9302-dma-m2m
+ - cirrus,ep9307-dma-m2m
+ - cirrus,ep9312-dma-m2m
+ - cirrus,ep9315-dma-m2m
+ - const: cirrus,ep9301-dma-m2m
+
+ reg:
+ items:
+ - description: m2m0 channel registers
+ - description: m2m1 channel registers
+
+ clocks:
+ items:
+ - description: m2m0 channel gate clock
+ - description: m2m1 channel gate clock
+
+ clock-names:
+ items:
+ - const: m2m0
+ - const: m2m1
+
+ interrupts:
+ items:
+ - description: m2m0 channel interrupt
+ - description: m2m1 channel interrupt
+
+ '#dma-cells': true
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
+ dma-controller@...00100 {
+ compatible = "cirrus,ep9301-dma-m2m";
+ reg = <0x80000100 0x0040>,
+ <0x80000140 0x0040>;
+ clocks = <&syscon EP93XX_CLK_M2M0>,
+ <&syscon EP93XX_CLK_M2M1>;
+ clock-names = "m2m0", "m2m1";
+ interrupt-parent = <&vic0>;
+ interrupts = <17>, <18>;
+ #dma-cells = <1>;
+ };
+
+...
+
diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml
new file mode 100644
index 000000000000..79f2d61de6a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml
@@ -0,0 +1,124 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logick ep93xx SoC M2P DMA controller
+
+maintainers:
+ - Alexander Sverdlin <alexander.sverdlin@...il.com>
+ - Nikita Shubin <nikita.shubin@...uefel.me>
+
+properties:
+ compatible:
+ oneOf:
+ - const: cirrus,ep9301-dma-m2p
+ - items:
+ - enum:
+ - cirrus,ep9302-dma-m2p
+ - cirrus,ep9307-dma-m2p
+ - cirrus,ep9312-dma-m2p
+ - cirrus,ep9315-dma-m2p
+ - const: cirrus,ep9301-dma-m2p
+
+ reg:
+ items:
+ - description: m2p0 channel registers
+ - description: m2p1 channel registers
+ - description: m2p2 channel registers
+ - description: m2p3 channel registers
+ - description: m2p4 channel registers
+ - description: m2p5 channel registers
+ - description: m2p6 channel registers
+ - description: m2p7 channel registers
+ - description: m2p8 channel registers
+ - description: m2p9 channel registers
+
+ clocks:
+ items:
+ - description: m2p0 channel gate clock
+ - description: m2p1 channel gate clock
+ - description: m2p2 channel gate clock
+ - description: m2p3 channel gate clock
+ - description: m2p4 channel gate clock
+ - description: m2p5 channel gate clock
+ - description: m2p6 channel gate clock
+ - description: m2p7 channel gate clock
+ - description: m2p8 channel gate clock
+ - description: m2p9 channel gate clock
+
+ clock-names:
+ items:
+ - const: m2p0
+ - const: m2p1
+ - const: m2p2
+ - const: m2p3
+ - const: m2p4
+ - const: m2p5
+ - const: m2p6
+ - const: m2p7
+ - const: m2p8
+ - const: m2p9
+
+ interrupts:
+ items:
+ - description: m2p0 channel interrupt
+ - description: m2p1 channel interrupt
+ - description: m2p2 channel interrupt
+ - description: m2p3 channel interrupt
+ - description: m2p4 channel interrupt
+ - description: m2p5 channel interrupt
+ - description: m2p6 channel interrupt
+ - description: m2p7 channel interrupt
+ - description: m2p8 channel interrupt
+ - description: m2p9 channel interrupt
+
+ '#dma-cells': true
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
+ dma-controller@...00000 {
+ compatible = "cirrus,ep9301-dma-m2p";
+ reg = <0x80000000 0x0040>,
+ <0x80000040 0x0040>,
+ <0x80000080 0x0040>,
+ <0x800000c0 0x0040>,
+ <0x80000240 0x0040>,
+ <0x80000200 0x0040>,
+ <0x800002c0 0x0040>,
+ <0x80000280 0x0040>,
+ <0x80000340 0x0040>,
+ <0x80000300 0x0040>;
+ clocks = <&syscon EP93XX_CLK_M2P0>,
+ <&syscon EP93XX_CLK_M2P1>,
+ <&syscon EP93XX_CLK_M2P2>,
+ <&syscon EP93XX_CLK_M2P3>,
+ <&syscon EP93XX_CLK_M2P4>,
+ <&syscon EP93XX_CLK_M2P5>,
+ <&syscon EP93XX_CLK_M2P6>,
+ <&syscon EP93XX_CLK_M2P7>,
+ <&syscon EP93XX_CLK_M2P8>,
+ <&syscon EP93XX_CLK_M2P9>;
+ clock-names = "m2p0", "m2p1",
+ "m2p2", "m2p3",
+ "m2p4", "m2p5",
+ "m2p6", "m2p7",
+ "m2p8", "m2p9";
+ interrupt-parent = <&vic0>;
+ interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>;
+ #dma-cells = <1>;
+ };
+
+...
+
--
2.37.4
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