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
