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/linux-6.14.4/drivers/spi/
Dspi-amlogic-spifc-a1.c1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for Amlogic A1 SPI flash controller (SPIFC)
21 #include <linux/spi/spi-mem.h>
82 FIELD_PREP(SPIFC_A1_USER_CMD_CODE, (op)->cmd.opcode) | \
83 FIELD_PREP(SPIFC_A1_USER_CMD_MODE, ilog2((op)->cmd.buswidth)))
87 FIELD_PREP(SPIFC_A1_USER_ADDR_MODE, ilog2((op)->addr.buswidth)) | \
88 FIELD_PREP(SPIFC_A1_USER_ADDR_BYTES, (op)->addr.nbytes - 1))
92 FIELD_PREP(SPIFC_A1_USER_DUMMY_MODE, ilog2((op)->dummy.buswidth)) | \
93 FIELD_PREP(SPIFC_A1_USER_DUMMY_CLK_SYCLES, (op)->dummy.nbytes << 3))
113 static int amlogic_spifc_a1_request(struct amlogic_spifc_a1 *spifc, bool read) in amlogic_spifc_a1_request() argument
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
6 ccflags-$(CONFIG_SPI_DEBUG) := -DDEBUG
8 # small core, mostly translating board-specific
10 obj-$(CONFIG_SPI_MASTER) += spi.o
11 obj-$(CONFIG_SPI_MEM) += spi-mem.o
12 obj-$(CONFIG_SPI_MUX) += spi-mux.o
13 obj-$(CONFIG_SPI_SPIDEV) += spidev.o
14 obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o
17 obj-$(CONFIG_SPI_AIROHA_SNFI) += spi-airoha-snfi.o
18 obj-$(CONFIG_SPI_ALTERA) += spi-altera-platform.o
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 dynamic device discovery; some are even write-only or read-only.
17 chips, analog to digital (and d-to-a) converters, and more.
44 If your system has an master-capable SPI controller (which
56 by providing a high-level interface to send memory-like commands.
66 This enables support for SPI-NAND mode on the Airoha NAND
68 is implemented as a SPI-MEM controller.
93 tristate "Amlogic A1 SPIFC controller"
96 This enables master mode support for the SPIFC (SPI flash
97 controller) available in Amlogic A1 (A113L SoC).
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/linux-6.14.4/Documentation/devicetree/bindings/spi/
Damlogic,a1-spifc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/amlogic,a1-spifc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Amlogic A1 SPI Flash Controller
10 - Martin Kurbanov <[email protected]>
13 - $ref: spi-controller.yaml#
18 - amlogic,a1-spifc
26 power-domains:
30 - compatible
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/linux-6.14.4/arch/arm64/boot/dts/amlogic/
Dmeson-a1.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
7 #include <dt-bindings/clock/amlogic,a1-peripherals-clkc.h>
8 #include <dt-bindings/gpio/meson-a1-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/power/meson-a1-power.h>
12 #include <dt-bindings/reset/amlogic,meson-a1-reset.h>
15 compatible = "amlogic,a1";
17 interrupt-parent = <&gic>;
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Dmeson-a1-ad402.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "meson-a1.dtsi"
10 #include <dt-bindings/thermal/thermal.h>
13 compatible = "amlogic,ad402", "amlogic,a1";
14 model = "Amlogic Meson A1 AD402 Development Board";
21 stdout-path = "serial0:115200n8";
29 reserved-memory {
33 no-map;
39 compatible = "linaro,optee-tz";
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Dmeson-libretech-cottonwood.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/clock/g12a-clkc.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/gpio/meson-g12a-gpio.h>
12 #include <dt-bindings/sound/meson-g12a-toacodec.h>
13 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
19 spi0 = &spifc;
28 stdout-path = "serial0:115200n8";
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Damlogic-c3.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/reset/amlogic,c3-reset.h>
10 #include <dt-bindings/clock/amlogic,c3-pll-clkc.h>
11 #include <dt-bindings/clock/amlogic,c3-scmi-clkc.h>
12 #include <dt-bindings/clock/amlogic,c3-peripherals-clkc.h>
13 #include <dt-bindings/power/amlogic,c3-pwrc.h>
14 #include <dt-bindings/gpio/amlogic-c3-gpio.h>
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/linux-6.14.4/drivers/pmdomain/amlogic/
Dmeson-secure-pwrc.c1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
13 #include <dt-bindings/power/meson-a1-power.h>
14 #include <dt-bindings/power/amlogic,c3-pwrc.h>
15 #include <dt-bindings/power/meson-s4-power.h>
16 #include <dt-bindings/power/amlogic,t7-pwrc.h>
17 #include <dt-bindings/power/amlogic,a4-pwrc.h>
18 #include <dt-bindings/power/amlogic,a5-pwrc.h>
19 #include <linux/arm-smccc.h>
57 if (meson_sm_call(pwrc_domain->pwrc->fw, SM_A1_PWRC_GET, &is_off, in pwrc_secure_is_off()
58 pwrc_domain->index, 0, 0, 0, 0) < 0) in pwrc_secure_is_off()
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/linux-6.14.4/drivers/clk/meson/
Da1-peripherals.c1 // SPDX-License-Identifier: GPL-2.0+
10 #include <linux/clk-provider.h>
13 #include "a1-peripherals.h"
14 #include "clk-dualdiv.h"
15 #include "clk-regmap.h"
16 #include "meson-clkc-utils.h"
18 #include <dt-bindings/clock/amlogic,a1-peripherals-clkc.h>
365 * b) CCF has a clock hand-off mechanism to make the sure the
1168 * ---------| |---DIV--| | | | spicc out
1169 * ---------| | | |-----|GATE |---------
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/linux-6.14.4/arch/arm/boot/dts/amlogic/
Dmeson8.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR MIT
6 #include <dt-bindings/clock/meson8-ddr-clkc.h>
7 #include <dt-bindings/clock/meson8b-clkc.h>
8 #include <dt-bindings/gpio/meson8-gpio.h>
9 #include <dt-bindings/power/meson8-power.h>
10 #include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
11 #include <dt-bindings/reset/amlogic,meson8b-reset.h>
12 #include <dt-bindings/thermal/thermal.h>
20 #address-cells = <1>;
21 #size-cells = <0>;
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