diff options
Diffstat (limited to 'dts/Bindings/spi')
| -rw-r--r-- | dts/Bindings/spi/allwinner,sun4i-a10-spi.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/spi/allwinner,sun6i-a31-spi.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/spi/renesas,hspi.yaml | 57 | ||||
| -rw-r--r-- | dts/Bindings/spi/renesas,rzn1-spi.txt | 11 | ||||
| -rw-r--r-- | dts/Bindings/spi/renesas,sh-msiof.yaml | 159 | ||||
| -rw-r--r-- | dts/Bindings/spi/sh-hspi.txt | 26 | ||||
| -rw-r--r-- | dts/Bindings/spi/sh-msiof.txt | 105 | ||||
| -rw-r--r-- | dts/Bindings/spi/snps,dw-apb-ssi.txt | 3 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-controller.yaml | 4 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-sifive.txt | 37 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-sifive.yaml | 86 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-stm32-qspi.txt | 47 | ||||
| -rw-r--r-- | dts/Bindings/spi/spi-xilinx.txt | 4 | ||||
| -rw-r--r-- | dts/Bindings/spi/st,stm32-qspi.yaml | 83 |
14 files changed, 405 insertions, 221 deletions
diff --git a/dts/Bindings/spi/allwinner,sun4i-a10-spi.yaml b/dts/Bindings/spi/allwinner,sun4i-a10-spi.yaml index 6d1329c281..8036499112 100644 --- a/dts/Bindings/spi/allwinner,sun4i-a10-spi.yaml +++ b/dts/Bindings/spi/allwinner,sun4i-a10-spi.yaml @@ -11,7 +11,7 @@ allOf: maintainers: - Chen-Yu Tsai <wens@csie.org> - - Maxime Ripard <maxime.ripard@bootlin.com> + - Maxime Ripard <mripard@kernel.org> properties: "#address-cells": true diff --git a/dts/Bindings/spi/allwinner,sun6i-a31-spi.yaml b/dts/Bindings/spi/allwinner,sun6i-a31-spi.yaml index f36c46d236..0565dc49e4 100644 --- a/dts/Bindings/spi/allwinner,sun6i-a31-spi.yaml +++ b/dts/Bindings/spi/allwinner,sun6i-a31-spi.yaml @@ -11,7 +11,7 @@ allOf: maintainers: - Chen-Yu Tsai <wens@csie.org> - - Maxime Ripard <maxime.ripard@bootlin.com> + - Maxime Ripard <mripard@kernel.org> properties: "#address-cells": true diff --git a/dts/Bindings/spi/renesas,hspi.yaml b/dts/Bindings/spi/renesas,hspi.yaml new file mode 100644 index 0000000000..c429cf4bea --- /dev/null +++ b/dts/Bindings/spi/renesas,hspi.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/renesas,hspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas HSPI + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + items: + - enum: + - renesas,hspi-r8a7778 # R-Car M1A + - renesas,hspi-r8a7779 # R-Car H1 + - const: renesas,hspi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - '#address-cells' + - '#size-cells' + +examples: + - | + #include <dt-bindings/clock/r8a7778-clock.h> + #include <dt-bindings/interrupt-controller/irq.h> + + hspi0: spi@fffc7000 { + compatible = "renesas,hspi-r8a7778", "renesas,hspi"; + reg = <0xfffc7000 0x18>; + interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7778_CLK_HSPI>; + power-domains = <&cpg_clocks>; + #address-cells = <1>; + #size-cells = <0>; + }; + diff --git a/dts/Bindings/spi/renesas,rzn1-spi.txt b/dts/Bindings/spi/renesas,rzn1-spi.txt new file mode 100644 index 0000000000..fb1a672863 --- /dev/null +++ b/dts/Bindings/spi/renesas,rzn1-spi.txt @@ -0,0 +1,11 @@ +Renesas RZ/N1 SPI Controller + +This controller is based on the Synopsys DW Synchronous Serial Interface and +inherits all properties defined in snps,dw-apb-ssi.txt except for the +compatible property. + +Required properties: +- compatible : The device specific string followed by the generic RZ/N1 string. + Therefore it must be one of: + "renesas,r9a06g032-spi", "renesas,rzn1-spi" + "renesas,r9a06g033-spi", "renesas,rzn1-spi" diff --git a/dts/Bindings/spi/renesas,sh-msiof.yaml b/dts/Bindings/spi/renesas,sh-msiof.yaml new file mode 100644 index 0000000000..b6c1dd2a9c --- /dev/null +++ b/dts/Bindings/spi/renesas,sh-msiof.yaml @@ -0,0 +1,159 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/renesas,sh-msiof.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas MSIOF SPI controller + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - const: renesas,msiof-sh73a0 # SH-Mobile AG5 + - const: renesas,sh-mobile-msiof # generic SH-Mobile compatible + # device + - items: + - enum: + - renesas,msiof-r8a7743 # RZ/G1M + - renesas,msiof-r8a7744 # RZ/G1N + - renesas,msiof-r8a7745 # RZ/G1E + - renesas,msiof-r8a77470 # RZ/G1C + - renesas,msiof-r8a7790 # R-Car H2 + - renesas,msiof-r8a7791 # R-Car M2-W + - renesas,msiof-r8a7792 # R-Car V2H + - renesas,msiof-r8a7793 # R-Car M2-N + - renesas,msiof-r8a7794 # R-Car E2 + - const: renesas,rcar-gen2-msiof # generic R-Car Gen2 and RZ/G1 + # compatible device + - items: + - enum: + - renesas,msiof-r8a774a1 # RZ/G2M + - renesas,msiof-r8a774b1 # RZ/G2N + - renesas,msiof-r8a774c0 # RZ/G2E + - renesas,msiof-r8a7795 # R-Car H3 + - renesas,msiof-r8a7796 # R-Car M3-W + - renesas,msiof-r8a77965 # R-Car M3-N + - renesas,msiof-r8a77970 # R-Car V3M + - renesas,msiof-r8a77980 # R-Car V3H + - renesas,msiof-r8a77990 # R-Car E3 + - renesas,msiof-r8a77995 # R-Car D3 + - const: renesas,rcar-gen3-msiof # generic R-Car Gen3 and RZ/G2 + # compatible device + - items: + - const: renesas,sh-msiof # deprecated + + reg: + minItems: 1 + maxItems: 2 + oneOf: + - items: + - description: CPU and DMA engine registers + - items: + - description: CPU registers + - description: DMA engine registers + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + num-cs: + description: | + Total number of chip selects (default is 1). + Up to 3 native chip selects are supported: + 0: MSIOF_SYNC + 1: MSIOF_SS1 + 2: MSIOF_SS2 + Hardware limitations related to chip selects: + - Native chip selects are always deasserted in between transfers + that are part of the same message. Use cs-gpios to work around + this. + - All slaves using native chip selects must use the same spi-cs-high + configuration. Use cs-gpios to work around this. + - When using GPIO chip selects, at least one native chip select must + be left unused, as it will be driven anyway. + minimum: 1 + maximum: 3 + default: 1 + + dmas: + minItems: 2 + maxItems: 4 + + dma-names: + minItems: 2 + maxItems: 4 + items: + enum: [ tx, rx ] + + renesas,dtdl: + description: delay sync signal (setup) in transmit mode. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: + - 0 # no bit delay + - 50 # 0.5-clock-cycle delay + - 100 # 1-clock-cycle delay + - 150 # 1.5-clock-cycle delay + - 200 # 2-clock-cycle delay + + renesas,syncdl: + description: delay sync signal (hold) in transmit mode + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: + - 0 # no bit delay + - 50 # 0.5-clock-cycle delay + - 100 # 1-clock-cycle delay + - 150 # 1.5-clock-cycle delay + - 200 # 2-clock-cycle delay + - 300 # 3-clock-cycle delay + + renesas,tx-fifo-size: + # deprecated for soctype-specific bindings + description: | + Override the default TX fifo size. Unit is words. Ignored if 0. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - maxItems: 1 + default: 64 + + renesas,rx-fifo-size: + # deprecated for soctype-specific bindings + description: | + Override the default RX fifo size. Unit is words. Ignored if 0. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - maxItems: 1 + default: 64 + +required: + - compatible + - reg + - interrupts + - '#address-cells' + - '#size-cells' + +examples: + - | + #include <dt-bindings/clock/r8a7791-clock.h> + #include <dt-bindings/interrupt-controller/irq.h> + + msiof0: spi@e6e20000 { + compatible = "renesas,msiof-r8a7791", "renesas,rcar-gen2-msiof"; + reg = <0 0xe6e20000 0 0x0064>; + interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; + dmas = <&dmac0 0x51>, <&dmac0 0x52>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/dts/Bindings/spi/sh-hspi.txt b/dts/Bindings/spi/sh-hspi.txt deleted file mode 100644 index b9d1e4d11a..0000000000 --- a/dts/Bindings/spi/sh-hspi.txt +++ /dev/null @@ -1,26 +0,0 @@ -Renesas HSPI. - -Required properties: -- compatible : "renesas,hspi-<soctype>", "renesas,hspi" as fallback. - Examples with soctypes are: - - "renesas,hspi-r8a7778" (R-Car M1) - - "renesas,hspi-r8a7779" (R-Car H1) -- reg : Offset and length of the register set for the device -- interrupts : Interrupt specifier -- #address-cells : Must be <1> -- #size-cells : Must be <0> - -Pinctrl properties might be needed, too. See -Documentation/devicetree/bindings/pinctrl/renesas,*. - -Example: - - hspi0: spi@fffc7000 { - compatible = "renesas,hspi-r8a7778", "renesas,hspi"; - reg = <0xfffc7000 0x18>; - interrupt-parent = <&gic>; - interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>; - #address-cells = <1>; - #size-cells = <0>; - }; - diff --git a/dts/Bindings/spi/sh-msiof.txt b/dts/Bindings/spi/sh-msiof.txt deleted file mode 100644 index 18e14ee257..0000000000 --- a/dts/Bindings/spi/sh-msiof.txt +++ /dev/null @@ -1,105 +0,0 @@ -Renesas MSIOF spi controller - -Required properties: -- compatible : "renesas,msiof-r8a7743" (RZ/G1M) - "renesas,msiof-r8a7744" (RZ/G1N) - "renesas,msiof-r8a7745" (RZ/G1E) - "renesas,msiof-r8a77470" (RZ/G1C) - "renesas,msiof-r8a774a1" (RZ/G2M) - "renesas,msiof-r8a774c0" (RZ/G2E) - "renesas,msiof-r8a7790" (R-Car H2) - "renesas,msiof-r8a7791" (R-Car M2-W) - "renesas,msiof-r8a7792" (R-Car V2H) - "renesas,msiof-r8a7793" (R-Car M2-N) - "renesas,msiof-r8a7794" (R-Car E2) - "renesas,msiof-r8a7795" (R-Car H3) - "renesas,msiof-r8a7796" (R-Car M3-W) - "renesas,msiof-r8a77965" (R-Car M3-N) - "renesas,msiof-r8a77970" (R-Car V3M) - "renesas,msiof-r8a77980" (R-Car V3H) - "renesas,msiof-r8a77990" (R-Car E3) - "renesas,msiof-r8a77995" (R-Car D3) - "renesas,msiof-sh73a0" (SH-Mobile AG5) - "renesas,sh-mobile-msiof" (generic SH-Mobile compatibile device) - "renesas,rcar-gen2-msiof" (generic R-Car Gen2 and RZ/G1 compatible device) - "renesas,rcar-gen3-msiof" (generic R-Car Gen3 and RZ/G2 compatible device) - "renesas,sh-msiof" (deprecated) - - When compatible with the generic version, nodes - must list the SoC-specific version corresponding - to the platform first followed by the generic - version. - -- reg : A list of offsets and lengths of the register sets for - the device. - If only one register set is present, it is to be used - by both the CPU and the DMA engine. - If two register sets are present, the first is to be - used by the CPU, and the second is to be used by the - DMA engine. -- interrupts : Interrupt specifier -- #address-cells : Must be <1> -- #size-cells : Must be <0> - -Optional properties: -- clocks : Must contain a reference to the functional clock. -- num-cs : Total number of chip selects (default is 1). - Up to 3 native chip selects are supported: - 0: MSIOF_SYNC - 1: MSIOF_SS1 - 2: MSIOF_SS2 - Hardware limitations related to chip selects: - - Native chip selects are always deasserted in - between transfers that are part of the same - message. Use cs-gpios to work around this. - - All slaves using native chip selects must use the - same spi-cs-high configuration. Use cs-gpios to - work around this. - - When using GPIO chip selects, at least one native - chip select must be left unused, as it will be - driven anyway. -- dmas : Must contain a list of two references to DMA - specifiers, one for transmission, and one for - reception. -- dma-names : Must contain a list of two DMA names, "tx" and "rx". -- spi-slave : Empty property indicating the SPI controller is used - in slave mode. -- renesas,dtdl : delay sync signal (setup) in transmit mode. - Must contain one of the following values: - 0 (no bit delay) - 50 (0.5-clock-cycle delay) - 100 (1-clock-cycle delay) - 150 (1.5-clock-cycle delay) - 200 (2-clock-cycle delay) - -- renesas,syncdl : delay sync signal (hold) in transmit mode. - Must contain one of the following values: - 0 (no bit delay) - 50 (0.5-clock-cycle delay) - 100 (1-clock-cycle delay) - 150 (1.5-clock-cycle delay) - 200 (2-clock-cycle delay) - 300 (3-clock-cycle delay) - -Optional properties, deprecated for soctype-specific bindings: -- renesas,tx-fifo-size : Overrides the default tx fifo size given in words - (default is 64) -- renesas,rx-fifo-size : Overrides the default rx fifo size given in words - (default is 64) - -Pinctrl properties might be needed, too. See -Documentation/devicetree/bindings/pinctrl/renesas,*. - -Example: - - msiof0: spi@e6e20000 { - compatible = "renesas,msiof-r8a7791", - "renesas,rcar-gen2-msiof"; - reg = <0 0xe6e20000 0 0x0064>; - interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; - dmas = <&dmac0 0x51>, <&dmac0 0x52>; - dma-names = "tx", "rx"; - #address-cells = <1>; - #size-cells = <0>; - }; diff --git a/dts/Bindings/spi/snps,dw-apb-ssi.txt b/dts/Bindings/spi/snps,dw-apb-ssi.txt index f54c8c3639..3ed08ee9fe 100644 --- a/dts/Bindings/spi/snps,dw-apb-ssi.txt +++ b/dts/Bindings/spi/snps,dw-apb-ssi.txt @@ -16,7 +16,8 @@ Required properties: Optional properties: - clock-names : Contains the names of the clocks: "ssi_clk", for the core clock used to generate the external SPI clock. - "pclk", the interface clock, required for register access. + "pclk", the interface clock, required for register access. If a clock domain + used to enable this clock then it should be named "pclk_clkdomain". - cs-gpios : Specifies the gpio pins to be used for chipselects. - num-cs : The number of chipselects. If omitted, this will default to 4. - reg-io-width : The I/O register width (in bytes) implemented by this diff --git a/dts/Bindings/spi/spi-controller.yaml b/dts/Bindings/spi/spi-controller.yaml index 7323392758..1e0ca6ccf6 100644 --- a/dts/Bindings/spi/spi-controller.yaml +++ b/dts/Bindings/spi/spi-controller.yaml @@ -111,7 +111,7 @@ patternProperties: spi-rx-bus-width: allOf: - $ref: /schemas/types.yaml#/definitions/uint32 - - enum: [ 1, 2, 4 ] + - enum: [ 1, 2, 4, 8 ] - default: 1 description: Bus width to the SPI bus used for MISO. @@ -123,7 +123,7 @@ patternProperties: spi-tx-bus-width: allOf: - $ref: /schemas/types.yaml#/definitions/uint32 - - enum: [ 1, 2, 4 ] + - enum: [ 1, 2, 4, 8 ] - default: 1 description: Bus width to the SPI bus used for MOSI. diff --git a/dts/Bindings/spi/spi-sifive.txt b/dts/Bindings/spi/spi-sifive.txt deleted file mode 100644 index 3f5c6e4389..0000000000 --- a/dts/Bindings/spi/spi-sifive.txt +++ /dev/null @@ -1,37 +0,0 @@ -SiFive SPI controller Device Tree Bindings ------------------------------------------- - -Required properties: -- compatible : Should be "sifive,<chip>-spi" and "sifive,spi<version>". - Supported compatible strings are: - "sifive,fu540-c000-spi" for the SiFive SPI v0 as integrated - onto the SiFive FU540 chip, and "sifive,spi0" for the SiFive - SPI v0 IP block with no chip integration tweaks. - Please refer to sifive-blocks-ip-versioning.txt for details -- reg : Physical base address and size of SPI registers map - A second (optional) range can indicate memory mapped flash -- interrupts : Must contain one entry -- interrupt-parent : Must be core interrupt controller -- clocks : Must reference the frequency given to the controller -- #address-cells : Must be '1', indicating which CS to use -- #size-cells : Must be '0' - -Optional properties: -- sifive,fifo-depth : Depth of hardware queues; defaults to 8 -- sifive,max-bits-per-word : Maximum bits per word; defaults to 8 - -SPI RTL that corresponds to the IP block version numbers can be found here: -https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/spi - -Example: - spi: spi@10040000 { - compatible = "sifive,fu540-c000-spi", "sifive,spi0"; - reg = <0x0 0x10040000 0x0 0x1000 0x0 0x20000000 0x0 0x10000000>; - interrupt-parent = <&plic>; - interrupts = <51>; - clocks = <&tlclk>; - #address-cells = <1>; - #size-cells = <0>; - sifive,fifo-depth = <8>; - sifive,max-bits-per-word = <8>; - }; diff --git a/dts/Bindings/spi/spi-sifive.yaml b/dts/Bindings/spi/spi-sifive.yaml new file mode 100644 index 0000000000..140e4351a1 --- /dev/null +++ b/dts/Bindings/spi/spi-sifive.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-sifive.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SiFive SPI controller + +maintainers: + - Pragnesh Patel <pragnesh.patel@sifive.com> + - Paul Walmsley <paul.walmsley@sifive.com> + - Palmer Dabbelt <palmer@sifive.com> + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + items: + - const: sifive,fu540-c000-spi + - const: sifive,spi0 + + description: + Should be "sifive,<chip>-spi" and "sifive,spi<version>". + Supported compatible strings are - + "sifive,fu540-c000-spi" for the SiFive SPI v0 as integrated + onto the SiFive FU540 chip, and "sifive,spi0" for the SiFive + SPI v0 IP block with no chip integration tweaks. + Please refer to sifive-blocks-ip-versioning.txt for details + + SPI RTL that corresponds to the IP block version numbers can be found here - + https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/spi + + reg: + maxItems: 1 + + description: + Physical base address and size of SPI registers map + A second (optional) range can indicate memory mapped flash + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + description: + Must reference the frequency given to the controller + + sifive,fifo-depth: + description: + Depth of hardware queues; defaults to 8 + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - enum: [ 8 ] + - default: 8 + + sifive,max-bits-per-word: + description: + Maximum bits per word; defaults to 8 + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - enum: [ 0, 1, 2, 3, 4, 5, 6, 7, 8 ] + - default: 8 + +required: + - compatible + - reg + - interrupts + - clocks + +examples: + - | + spi: spi@10040000 { + compatible = "sifive,fu540-c000-spi", "sifive,spi0"; + reg = <0x0 0x10040000 0x0 0x1000 0x0 0x20000000 0x0 0x10000000>; + interrupt-parent = <&plic>; + interrupts = <51>; + clocks = <&tlclk>; + #address-cells = <1>; + #size-cells = <0>; + sifive,fifo-depth = <8>; + sifive,max-bits-per-word = <8>; + }; + +... diff --git a/dts/Bindings/spi/spi-stm32-qspi.txt b/dts/Bindings/spi/spi-stm32-qspi.txt deleted file mode 100644 index bfc038b947..0000000000 --- a/dts/Bindings/spi/spi-stm32-qspi.txt +++ /dev/null @@ -1,47 +0,0 @@ -* STMicroelectronics Quad Serial Peripheral Interface(QSPI) - -Required properties: -- compatible: should be "st,stm32f469-qspi" -- reg: the first contains the register location and length. - the second contains the memory mapping address and length -- reg-names: should contain the reg names "qspi" "qspi_mm" -- interrupts: should contain the interrupt for the device -- clocks: the phandle of the clock needed by the QSPI controller -- A pinctrl must be defined to set pins in mode of operation for QSPI transfer - -Optional properties: -- resets: must contain the phandle to the reset controller. - -A spi flash (NOR/NAND) must be a child of spi node and could have some -properties. Also see jedec,spi-nor.txt. - -Required properties: -- reg: chip-Select number (QSPI controller may connect 2 flashes) -- spi-max-frequency: max frequency of spi bus - -Optional properties: -- spi-rx-bus-width: see ./spi-bus.txt for the description -- dmas: DMA specifiers for tx and rx dma. See the DMA client binding, -Documentation/devicetree/bindings/dma/dma.txt. -- dma-names: DMA request names should include "tx" and "rx" if present. - -Example: - -qspi: spi@a0001000 { - compatible = "st,stm32f469-qspi"; - reg = <0xa0001000 0x1000>, <0x90000000 0x10000000>; - reg-names = "qspi", "qspi_mm"; - interrupts = <91>; - resets = <&rcc STM32F4_AHB3_RESET(QSPI)>; - clocks = <&rcc 0 STM32F4_AHB3_CLOCK(QSPI)>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_qspi0>; - - flash@0 { - compatible = "jedec,spi-nor"; - reg = <0>; - spi-rx-bus-width = <4>; - spi-max-frequency = <108000000>; - ... - }; -}; diff --git a/dts/Bindings/spi/spi-xilinx.txt b/dts/Bindings/spi/spi-xilinx.txt index dc924a5f71..5f4ed3e5c9 100644 --- a/dts/Bindings/spi/spi-xilinx.txt +++ b/dts/Bindings/spi/spi-xilinx.txt @@ -8,7 +8,8 @@ Required properties: number. Optional properties: -- xlnx,num-ss-bits : Number of chip selects used. +- xlnx,num-ss-bits : Number of chip selects used. +- xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified Example: axi_quad_spi@41e00000 { @@ -17,5 +18,6 @@ Example: interrupts = <0 31 1>; reg = <0x41e00000 0x10000>; xlnx,num-ss-bits = <0x1>; + xlnx,num-transfer-bits = <32>; }; diff --git a/dts/Bindings/spi/st,stm32-qspi.yaml b/dts/Bindings/spi/st,stm32-qspi.yaml new file mode 100644 index 0000000000..3665a5fe6b --- /dev/null +++ b/dts/Bindings/spi/st,stm32-qspi.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/st,stm32-qspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Quad Serial Peripheral Interface (QSPI) bindings + +maintainers: + - Christophe Kerello <christophe.kerello@st.com> + - Patrice Chotard <patrice.chotard@st.com> + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + const: st,stm32f469-qspi + + reg: + items: + - description: registers + - description: memory mapping + + reg-names: + items: + - const: qspi + - const: qspi_mm + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + dmas: + items: + - description: tx DMA channel + - description: rx DMA channel + + dma-names: + items: + - const: tx + - const: rx + +required: + - compatible + - reg + - reg-names + - clocks + - interrupts + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + #include <dt-bindings/reset/stm32mp1-resets.h> + spi@58003000 { + compatible = "st,stm32f469-qspi"; + reg = <0x58003000 0x1000>, <0x70000000 0x10000000>; + reg-names = "qspi", "qspi_mm"; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&mdma1 22 0x10 0x100002 0x0 0x0>, + <&mdma1 22 0x10 0x100008 0x0 0x0>; + dma-names = "tx", "rx"; + clocks = <&rcc QSPI_K>; + resets = <&rcc QSPI_R>; + + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-rx-bus-width = <4>; + spi-max-frequency = <108000000>; + }; + }; + +... |