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/linux-6.14.4/Documentation/devicetree/bindings/net/can/
Datmel,at91sam9263-can.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/can/atmel,at91sam9263-can.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip AT91 CAN Controller
10 - Nicolas Ferre <[email protected]>
13 - $ref: can-controller.yaml#
18 - enum:
19 - atmel,at91sam9263-can
20 - atmel,at91sam9x5-can
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/linux-6.14.4/arch/arm/boot/dts/microchip/
Dat91sam9263.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * at91sam9263.dtsi - Device Tree Include file for AT91SAM9263 family SoC
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
8 #include <dt-bindings/pinctrl/at91.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/clock/at91.h>
12 #include <dt-bindings/mfd/at91-usart.h>
15 #address-cells = <1>;
16 #size-cells = <1>;
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/linux-6.14.4/Documentation/devicetree/bindings/memory-controllers/
Datmel,ebi.txt3 The External Bus Interface (EBI) controller is a bus where you can connect
5 The EBI provides a glue-less interface to asynchronous memories through the SMC
10 - compatible: "atmel,at91sam9260-ebi"
11 "atmel,at91sam9261-ebi"
12 "atmel,at91sam9263-ebi0"
13 "atmel,at91sam9263-ebi1"
14 "atmel,at91sam9rl-ebi"
15 "atmel,at91sam9g45-ebi"
16 "atmel,at91sam9x5-ebi"
17 "atmel,sama5d3-ebi"
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/linux-6.14.4/Documentation/devicetree/bindings/usb/
Datmel-usb.txt6 - compatible: Should be "atmel,at91rm9200-ohci" for USB controllers
8 - reg: Address and length of the register set for the device
9 - interrupts: Should contain ohci interrupt
10 - clocks: Should reference the peripheral, host and system clocks
11 - clock-names: Should contain three strings
15 - num-ports: Number of ports.
16 - atmel,vbus-gpio: If present, specifies a gpio that needs to be
18 - atmel,oc-gpio: If present, specifies a gpio that needs to be
22 compatible = "atmel,at91rm9200-ohci", "usb-ohci";
25 clock-names = "ohci_clk", "hclk", "uhpck";
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/linux-6.14.4/arch/arm/mach-at91/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 bool "SAM Cortex-M7 family" if ARM_SINGLE_ARMV7M
124 AT91SAM9263
190 On platforms with 16-bit counters, two timer channels are combined
191 to make a single 32-bit timer.
192 It can also be used as a clock event device supporting oneshot mode.
195 bool "64-bit Periodic Interval Timer (PIT64B) support"
200 clocksource and clockevent (SAMA7G5) based on Microchip 64-bit
Dpm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/arm/mach-at91/pm.c
35 * struct at91_pm_bu - AT91 power management backup unit data structure
52 * struct at91_pm_sfrbu_regs - registers mapping for SFRBU
65 * enum at91_pm_eth_clk - Ethernet clock indexes
77 * enum at91_pm_eth - Ethernet controller indexes
89 * struct at91_pm_quirk_eth - AT91 PM Ethernet quirks
107 * struct at91_pm_quirks - AT91 PM quirks
115 * struct at91_soc_pm - AT91 SoC power management data structure
137 * enum at91_pm_iomaps - IOs that needs to be mapped for different PM modes
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/linux-6.14.4/Documentation/arch/arm/
Dmicrochip.rst7 ------------
11 It is important to note that the Microchip (previously Atmel) ARM-based MPU
15 git branches/tags and email subject always contain this "at91" sub-string.
19 ---------
25 - at91rm9200
29 …http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-1768-32-bit-ARM920T-Embedded-Microprocessor-…
32 - at91sam9260
36 …ttp://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-6221-32-bit-ARM926EJ-S-Embedded-Microprocesso…
38 - at91sam9xe
42 …ttp://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-6254-32-bit-ARM926EJ-S-Embedded-Microprocesso…
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/linux-6.14.4/drivers/net/can/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 tristate "CAN Device Drivers"
6 depends on CAN
8 Controller Area Network (CAN) is serial communications protocol up to
9 1Mbit/s for its original release (now known as Classical CAN) and up
10 to 8Mbit/s for the more recent CAN with Flexible Data-Rate
11 (CAN-FD). The CAN bus was originally mainly for automotive, but is now
13 applications. More information on the CAN network protocol family
14 PF_CAN is contained in <Documentation/networking/can.rst>.
16 This section contains all the CAN(-FD) device drivers including the
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Dat91_can.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * at91_can.c - CAN network driver for AT91 SoC CAN controller
6 * (C) 2008, 2009, 2010, 2011, 2023 by Marc Kleine-Budde <[email protected]>
27 #include <linux/can/dev.h>
28 #include <linux/can/error.h>
29 #include <linux/can/rx-offload.h>
31 #define AT91_MB_MASK(i) ((1 << (i)) - 1)
152 struct can_priv can; /* must be the first member! */ member
202 return priv->devtype_data.type == AT91_DEVTYPE_SAM##_model; \
210 return priv->devtype_data.rx_first; in get_mb_rx_first()
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/linux-6.14.4/drivers/spi/
Dspi-atmel.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/dma-mapping.h>
217 (((value) & ((1 << SPI_##name##_SIZE) - 1)) << SPI_##name##_OFFSET)
219 (((value) >> SPI_##name##_OFFSET) & ((1 << SPI_##name##_SIZE) - 1))
221 (((old) & ~(((1 << SPI_##name##_SIZE) - 1) << SPI_##name##_OFFSET)) \
226 readl_relaxed((port)->regs + SPI_##reg)
228 writel_relaxed((value), (port)->regs + SPI_##reg)
230 writew_relaxed((value), (port)->regs + SPI_##reg)
285 /* Controller-specific per-slave state */
294 * This frequency can be anything supported by the controller, but to avoid
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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>
20 * Add Hardware ECC support for AT91SAM9260 / AT91SAM9263
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
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/linux-6.14.4/drivers/i2c/busses/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
16 for Cypress CCGx Type-C controller. Individual bus drivers
25 controller is part of the 7101 device, which is an ACPI-compliant
28 This driver can also be built as a module. If so, the module
29 will be called i2c-ali1535.
37 controller is part of the 7101 device, which is an ACPI-compliant
40 This driver can also be built as a module. If so, the module
41 will be called i2c-ali1563.
50 This driver can also be built as a module. If so, the module
51 will be called i2c-ali15x3.
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/linux-6.14.4/drivers/video/fbdev/
Datmel_lcdfb.c13 #include <linux/dma-mapping.h>
69 #define lcdc_readl(sinfo, reg) __raw_readl((sinfo)->mmio+(reg))
70 #define lcdc_writel(sinfo, reg, val) __raw_writel((val), (sinfo)->mmio+(reg))
107 /* some bl->props field just changed */
140 if (sinfo->backlight) in init_backlight()
146 bl = backlight_device_register("backlight", &sinfo->pdev->dev, sinfo, in init_backlight()
149 dev_err(&sinfo->pdev->dev, "error %ld on backlight register\n", in init_backlight()
153 sinfo->backlight = bl; in init_backlight()
155 bl->props.power = BACKLIGHT_POWER_ON; in init_backlight()
156 bl->props.brightness = atmel_bl_get_brightness(bl); in init_backlight()
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/linux-6.14.4/arch/arm/
DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0
44 once the kernel has booted up - it's a one time check.
96 When a user program crashes due to an exception, the kernel can
104 1 - undefined instruction events
105 2 - system calls
106 4 - invalid data aborts
107 8 - SIGSEGV faults
108 16 - SIGBUS faults
112 bool "Kernel low-level debugging functions (read help!)"
125 prompt "Kernel low-level debugging port"
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/linux-6.14.4/drivers/dma/
Dat_hdmac.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * found on AT91SAM9263.
13 #include <dt-bindings/dma/at91.h>
18 #include <linux/dma-mapping.h>
29 #include "virt-dma.h"
33 * --------
44 #define AT_DMA_IF_BIGEND(i) BIT((i)) /* AHB-Lite Interface i in Big-endian mode */
115 #define ATC_DSCR_IF GENMASK(1, 0) /* Dsc feched via AHB-Lite Interface */
127 #define ATC_SIF GENMASK(1, 0) /* Src tx done via AHB-Lite Interface i */
128 #define ATC_DIF GENMASK(5, 4) /* Dst tx done via AHB-Lite Interface i */
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/linux-6.14.4/drivers/usb/gadget/udc/
Dat91_udc.c1 // SPDX-License-Identifier: GPL-2.0+
3 * at91_udc -- driver for at91-series USB peripheral controller
33 #include <linux/mfd/syscon/atmel-matrix.h>
39 * This controller is simple and PIO-only. It's used in many AT91-series
41 * at91sam926x (arm926ejs, with MMU), and several no-mmu versions.
76 EP_INFO("ep3-int",
91 __raw_readl((udc)->udp_baseaddr + (reg))
93 __raw_writel((val), (udc)->udp_baseaddr + (reg))
95 /*-------------------------------------------------------------------------*/
109 "control", "out-iso", "out-bulk", "out-int", in proc_ep_show()
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