[PATCH 1/2] dt-bindings: dma: Ingenic: DT bindings for Ingenic PDMA

[bin.yao]

From: byao <bin.yao@xxxxxxxxxxx>

Convert the textual documentation for the Ingenic SoCs PDMA
Controller devicetree binding to YAML.

Add a dt-bindings header, and convert the device trees to it.

Signed-off-by: byao <bin.yao@xxxxxxxxxxx>
Signed-off-by: rick <rick.tyliu@xxxxxxxxxxx>
---
 .../devicetree/bindings/dma/ingenic,pdma.yaml | 77 +++++++++++++++++++
 include/dt-bindings/dma/ingenic-pdma.h        | 51 ++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/ingenic,pdma.yaml
 create mode 100644 include/dt-bindings/dma/ingenic-pdma.h

diff --git a/Documentation/devicetree/bindings/dma/ingenic,pdma.yaml b/Documentation/devicetree/bindings/dma/ingenic,pdma.yaml
new file mode 100644
index 000000000000..b3f3a8f0b813
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/ingenic,pdma.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/ingenic,dma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ingenic SoCs DMA Controller DT bindings
+
+maintainers:
+  - byao <bin.yao@xxxxxxxxxxx>
+
+allOf:
+  - $ref: "dma-controller.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - ingenic,m200-pdma
+          - ingenic,x1000-pdma
+          - ingenic,t40-pdma
+          - ingenic,t41-pdma
+          - ingenic,t33-pdma
+
+  reg:
+    maxItems: 1
+
+  interrupts-parent:
+    maxItems: 1
+
+  interrupts-names:
+    items:
+      - const: pdam
+      - const: pdmam
+
+  interrupts:
+    maxItems: 1
+
+  dma-channels:
+    const: 32
+
+  "#dma-cells":
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: gate_pdma
+
+required:
+  - compatible
+  - reg
+  - interrupt-parent
+  - interrupt-names
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/ingenic,t33-cgu.h>
+    pdma:dma@13420000 {
+      compatible = "ingenic,t33-pdma";
+      reg = <0x13420000 0x10000>;
+      interrupt-parent = <&plic>;
+      interrupt-names = "pdma", "pdmam";
+      interrupts = <10 61>;
+      #dma-channels = <0x20>;
+      #dma-cells = <0x1>;
+      clocks = <&cgu T33_CLK_DMA>;
+      clock-names = "gate_pdma";
+    };
+
diff --git a/include/dt-bindings/dma/ingenic-pdma.h b/include/dt-bindings/dma/ingenic-pdma.h
new file mode 100644
index 000000000000..99c871bc0ea8
--- /dev/null
+++ b/include/dt-bindings/dma/ingenic-pdma.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+
+#ifndef __INGENIC_PDMA_H__
+#define __INGENIC_PDMA_H__
+
+#define INGENIC_DMA_REQ_AIC_LOOP_RX	0x5
+#define INGENIC_DMA_REQ_AIC_TX		0x6
+#define INGENIC_DMA_REQ_AIC_F_RX	0x7
+#define INGENIC_DMA_REQ_AUTO_TX		0x8
+#define INGENIC_DMA_REQ_SADC_RX		0x9
+#define INGENIC_DMA_REQ_UART5_TX	0xa
+#define INGENIC_DMA_REQ_UART5_RX	0xb
+#define INGENIC_DMA_REQ_UART4_TX	0xc
+#define INGENIC_DMA_REQ_UART4_RX	0xd
+#define INGENIC_DMA_REQ_UART3_TX	0xe
+#define INGENIC_DMA_REQ_UART3_RX	0xf
+#define INGENIC_DMA_REQ_UART2_TX	0x10
+#define INGENIC_DMA_REQ_UART2_RX	0x11
+#define INGENIC_DMA_REQ_UART1_TX	0x12
+#define INGENIC_DMA_REQ_UART1_RX	0x13
+#define INGENIC_DMA_REQ_UART0_TX	0x14
+#define INGENIC_DMA_REQ_UART0_RX	0x15
+#define INGENIC_DMA_REQ_SSI0_TX		0x16
+#define INGENIC_DMA_REQ_SSI0_RX		0x17
+#define INGENIC_DMA_REQ_SSI1_TX		0x18
+#define INGENIC_DMA_REQ_SSI1_RX		0x19
+#define INGENIC_DMA_REQ_SLV_TX		0x1a
+#define INGENIC_DMA_REQ_SLV_RX		0x1b
+#define INGENIC_DMA_REQ_I2C0_TX		0x24
+#define INGENIC_DMA_REQ_I2C0_RX		0x25
+#define INGENIC_DMA_REQ_I2C1_TX		0x26
+#define INGENIC_DMA_REQ_I2C1_RX		0x27
+#define INGENIC_DMA_REQ_I2C2_TX		0x28
+#define INGENIC_DMA_REQ_I2C2_RX		0x29
+#define INGENIC_DMA_REQ_DES_TX		0x2e
+#define INGENIC_DMA_REQ_DES_RX		0x2f
+
+#define INGENIC_DMA_TYPE_REQ_MSK	0xff
+#define INGENIC_DMA_TYPE_CH_SFT		8
+#define INGENIC_DMA_TYPE_CH_MSK		(0xff << INGENIC_DMA_TYPE_CH_SFT)
+#define INGENIC_DMA_TYPE_CH_EN		(1 << 16)
+#define INGENIC_DMA_TYPE_PROG		(1 << 17)
+#define INGENIC_DMA_TYPE_SPEC		(1 << 18)
+
+#define INGENIC_DMA_CH(ch)		\
+	((((ch) << INGENIC_DMA_TYPE_CH_SFT) & INGENIC_DMA_TYPE_CH_MSK) | INGENIC_DMA_TYPE_CH_EN)
+
+#define INGENIC_DMA_TYPE(type)	     ((type) & INGENIC_DMA_TYPE_REQ_MSK)
+#define INGENIC_DMA_TYPE_CH(type, ch) (INGENIC_DMA_TYPE((type)) | INGENIC_DMA_CH((ch)))
+#define INGENIC_DMA_PG_CH(type, ch) (INGENIC_DMA_TYPE_CH((type), (ch)) | INGENIC_DMA_TYPE_PROG_MSK)
+#endif
-- 
2.17.1