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/linux-6.14.4/Documentation/devicetree/bindings/dma/
Datmel,sama5d4-dma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/atmel,sama5d4-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nicolas Ferre <[email protected]>
11 - Charan Pedumuru <[email protected]>
14 The DMA Controller (XDMAC) is a AHB-protocol central direct memory access
18 or memory-to-memory transfers. The channel features are configurable at
22 - $ref: dma-controller.yaml#
27 - enum:
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/linux-6.14.4/arch/arm/boot/dts/microchip/
Dsama5d4.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sama5d4.dtsi - Device Tree Include file for SAMA5D4 family SoC
9 #include <dt-bindings/clock/at91.h>
10 #include <dt-bindings/dma/at91.h>
11 #include <dt-bindings/mfd/at91-usart.h>
12 #include <dt-bindings/pinctrl/at91.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
14 #include <dt-bindings/gpio/gpio.h>
17 #address-cells = <1>;
18 #size-cells = <1>;
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Dat91-sama5d4_xplained.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama5d4_xplained.dts - Device Tree file for SAMA5D4 Xplained board
8 /dts-v1/;
9 #include "sama5d4.dtsi"
10 #include <dt-bindings/input/input.h>
13 model = "Atmel SAMA5D4 Xplained";
14 compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5";
17 stdout-path = "serial0:115200n8";
26 clock-frequency = <32768>;
30 clock-frequency = <12000000>;
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Dsama5d2.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sama5d2.dtsi - Device Tree Include file for SAMA5D2 family SoC
9 #include <dt-bindings/dma/at91.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/clock/at91.h>
12 #include <dt-bindings/mfd/at91-usart.h>
13 #include <dt-bindings/iio/adc/at91-sama5d2_adc.h>
16 #address-cells = <1>;
17 #size-cells = <1>;
20 interrupt-parent = <&aic>;
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Dsam9x7.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sam9x7.dtsi - Device Tree Include file for Microchip SAM9X7 SoC family
10 #include <dt-bindings/clock/at91.h>
11 #include <dt-bindings/dma/at91.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interrupt-controller/arm-gic.h>
14 #include <dt-bindings/interrupt-controller/irq.h>
15 #include <dt-bindings/mfd/at91-usart.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
17 #include <dt-bindings/pinctrl/at91.h>
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Dsam9x60.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sam9x60.dtsi - Device Tree Include file for Microchip SAM9X60 SoC
10 #include <dt-bindings/dma/at91.h>
11 #include <dt-bindings/pinctrl/at91.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/clock/at91.h>
15 #include <dt-bindings/mfd/at91-usart.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
19 #address-cells = <1>;
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/linux-6.14.4/Documentation/devicetree/bindings/i2c/
Datmel,at91sam-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/i2c/atmel,at91sam-i2c.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Alexandre Belloni <[email protected]>
16 - items:
17 - enum:
18 - atmel,at91rm9200-i2c
19 - atmel,at91sam9261-i2c
20 - atmel,at91sam9260-i2c
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/linux-6.14.4/Documentation/devicetree/bindings/mtd/
Datmel-nand.txt4 Documentation/devicetree/bindings/memory-controllers/atmel,ebi.txt).
11 - compatible: should be one of the following
12 "atmel,at91rm9200-nand-controller"
13 "atmel,at91sam9260-nand-controller"
14 "atmel,at91sam9261-nand-controller"
15 "atmel,at91sam9g45-nand-controller"
16 "atmel,sama5d3-nand-controller"
17 "microchip,sam9x60-nand-controller"
18 - ranges: empty ranges property to forward EBI ranges definitions.
19 - #address-cells: should be set to 2.
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/linux-6.14.4/Documentation/devicetree/bindings/mfd/
Datmel,hlcdc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nicolas Ferre <[email protected]>
11 - Alexandre Belloni <[email protected]>
12 - Claudiu Beznea <[email protected]>
21 - atmel,at91sam9n12-hlcdc
22 - atmel,at91sam9x5-hlcdc
23 - atmel,sama5d2-hlcdc
24 - atmel,sama5d3-hlcdc
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/linux-6.14.4/drivers/dma/
Dat_xdmac.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for the Atmel Extensible DMA Controller (aka XDMAC on AT91 systems)
11 #include <dt-bindings/dma/at91.h>
216 /* ----- Channels ----- */
241 /* ----- Controller ----- */
243 struct dma_device dma; member
256 /* ----- Descriptors ----- */
271 /* 64-bit alignment needed to update CNDA and CUBC registers in an atomic way. */
312 return atxdmac->regs + (atxdmac->layout->chan_cc_reg_base + chan_nb * 0x40); in at_xdmac_chan_reg_base()
315 #define at_xdmac_read(atxdmac, reg) readl_relaxed((atxdmac)->regs + (reg))
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/linux-6.14.4/drivers/mtd/nand/raw/atmel/
Dnand-controller.c1 // SPDX-License-Identifier: GPL-2.0
6 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
23 * Derived from Das U-Boot source code
24 * (u-boot-1.1.5/board/atmel/at91sam9263ek/nand.c)
38 * - atmel_nand_: all generic structures/functions
39 * - atmel_smc_nand_: all structures/functions specific to the SMC interface
41 * - atmel_hsmc_nand_: all structures/functions specific to the HSMC interface
43 * - atmel_nfc_: all structures/functions used to manipulate the NFC sub-block
45 * - <soc>_nand_: all SoC specific structures/functions
49 #include <linux/dma-mapping.h>
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/linux-6.14.4/drivers/tty/serial/
Datmel_serial.c1 // SPDX-License-Identifier: GPL-2.0+
9 * DMA support added by Chip Coldwell.
18 #include <linux/clk-provider.h>
24 #include <linux/dma-mapping.h>
62 /* Use device name ttyAT, major 204 and minor 154-169. This is necessary if we
71 /* Use device name ttyS, major 4, minor 64-68. This is the usual serial port
97 * DMA mode.
120 bool use_dma_rx; /* enable DMA receiver */
125 bool use_dma_tx; /* enable DMA transmitter */
167 bool hd_start_rx; /* can start RX during half-duplex operation */
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/linux-6.14.4/drivers/media/platform/verisilicon/
Dhantro_drv.c1 // SPDX-License-Identifier: GPL-2.0
9 * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
22 #include <media/v4l2-event.h>
23 #include <media/v4l2-mem2mem.h>
24 #include <media/videobuf2-core.h>
25 #include <media/videobuf2-vmalloc.h>
31 #define DRIVER_NAME "hantro-vpu"
36 "Debug level - higher value produces more verbose messages");
42 ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, id); in hantro_get_ctrl()
43 return ctrl ? ctrl->p_cur.p : NULL; in hantro_get_ctrl()
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/linux-6.14.4/drivers/net/ethernet/cadence/
Dmacb_main.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2004-2006 Atmel Corporation
10 #include <linux/clk-provider.h>
25 #include <linux/dma-mapping.h>
40 #include <linux/firmware/xlnx-zynqmp.h>
58 * (bp)->rx_ring_size)
64 * (bp)->tx_ring_size)
67 #define MACB_TX_WAKEUP_THRESH(bp) (3 * (bp)->tx_ring_size / 4)
78 …MAX_TX_LEN ((unsigned int)((1 << MACB_TX_FRMLEN_SIZE) - 1) & ~((unsigned int)(MACB_TX_LEN_ALIGN -…
80 * false amba_error in TX path from the DMA assuming there is not enough
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