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/Linux-v6.6/Documentation/devicetree/bindings/spi/
Dmediatek,spi-mtk-snfi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/mediatek,spi-mtk-snfi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SPI-NAND flash controller for MediaTek ARM SoCs
10 - Chuanhong Guo <gch981213@gmail.com>
13 The Mediatek SPI-NAND flash controller is an extended version of
15 instructions with one continuous write and one read for up-to 0xa0
16 bytes. It also supports typical SPI-NAND page cache operations
24 - mediatek,mt7622-snand
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/Linux-v6.6/arch/arm64/boot/dts/mediatek/
Dmt7622.dtsi6 * SPDX-License-Identifier: (GPL-2.0 OR MIT)
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/clock/mt7622-clk.h>
12 #include <dt-bindings/phy/phy.h>
13 #include <dt-bindings/power/mt7622-power.h>
14 #include <dt-bindings/reset/mt7622-reset.h>
15 #include <dt-bindings/thermal/thermal.h>
18 compatible = "mediatek,mt7622";
19 interrupt-parent = <&sysirq>;
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/Linux-v6.6/drivers/spi/
Dspi-mtk-snfi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Driver for the SPI-NAND mode of Mediatek NAND Flash Interface
7 // This driver is based on the SPI-NAND mtd driver from Mediatek SDK:
13 // like the following: (sizeof(FDM + ECC) = snf->nfi_cfg.spare_size)
14 // +---------+------+------+---------+------+------+-----+
16 // +---------+------+------+---------+------+------+-----+
17 // With auto-format turned on, DMA only returns this part:
18 // +---------+---------+-----+
20 // +---------+---------+-----+
23 // With auto-format off, all ((Sector+FDM+ECC)*nsectors) will be read over DMA
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