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authorMark Brown <broonie@kernel.org>2020-03-27 15:53:00 +0000
committerMark Brown <broonie@kernel.org>2020-03-27 15:53:00 +0000
commit1ba0b52ea73bd46ff053edea21f5630f5277fefe (patch)
tree1a4e561a0e0238a54aff02aa47e20cfcd61522be /Documentation/devicetree
parent16fbf79b0f83bc752cee8589279f1ebfe57b3b6e (diff)
parentebb3b9a92ba98efa8d0525367e653d5ee6630c1b (diff)
downloadlinux-1ba0b52ea73bd46ff053edea21f5630f5277fefe.tar.bz2
Merge branch 'spi-5.7' into spi-next
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml36
-rw-r--r--Documentation/devicetree/bindings/mfd/qcom-rpm.txt4
-rw-r--r--Documentation/devicetree/bindings/regulator/mps,mp5416.yaml78
-rw-r--r--Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml22
-rw-r--r--Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt5
-rw-r--r--Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml41
-rw-r--r--Documentation/devicetree/bindings/spi/spi-controller.yaml10
-rw-r--r--Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt19
-rw-r--r--Documentation/devicetree/bindings/spi/spi-mtk-nor.txt (renamed from Documentation/devicetree/bindings/mtd/mtk-quadspi.txt)15
-rw-r--r--Documentation/devicetree/bindings/spi/spi-mux.yaml89
-rw-r--r--Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt3
-rw-r--r--Documentation/devicetree/bindings/spi/spi-rockchip.txt58
-rw-r--r--Documentation/devicetree/bindings/spi/spi-rockchip.yaml107
13 files changed, 410 insertions, 77 deletions
diff --git a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
new file mode 100644
index 000000000000..893d81e54caa
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fsi/ibm,fsi2spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IBM FSI-attached SPI controllers
+
+maintainers:
+ - Eddie James <eajames@linux.ibm.com>
+
+description: |
+ This binding describes an FSI CFAM engine called the FSI2SPI. Therefore this
+ node will always be a child of an FSI CFAM node; see fsi.txt for details on
+ FSI slave and CFAM nodes. This FSI2SPI engine provides access to a number of
+ SPI controllers.
+
+properties:
+ compatible:
+ enum:
+ - ibm,fsi2spi
+
+ reg:
+ items:
+ - description: FSI slave address
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ fsi2spi@1c00 {
+ compatible = "ibm,fsi2spi";
+ reg = <0x1c00 0x400>;
+ };
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
index 3c91ad430eea..b823b8625243 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
@@ -61,6 +61,7 @@ Regulator nodes are identified by their compatible:
"qcom,rpm-pm8901-regulators"
"qcom,rpm-pm8921-regulators"
"qcom,rpm-pm8018-regulators"
+ "qcom,rpm-smb208-regulators"
- vdd_l0_l1_lvs-supply:
- vdd_l2_l11_l12-supply:
@@ -171,6 +172,9 @@ pm8018:
s1, s2, s3, s4, s5, , l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
l12, l14, lvs1
+smb208:
+ s1a, s1b, s2a, s2b
+
The content of each sub-node is defined by the standard binding for regulators -
see regulator.txt - with additional custom properties described below:
diff --git a/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml b/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
new file mode 100644
index 000000000000..f0acce2029fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mps,mp5416.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Monolithic Power System MP5416 PMIC
+
+maintainers:
+ - Saravanan Sekar <sravanhome@gmail.com>
+
+properties:
+ $nodename:
+ pattern: "^pmic@[0-9a-f]{1,2}$"
+ compatible:
+ enum:
+ - mps,mp5416
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+ description: |
+ list of regulators provided by this controller, must be named
+ after their hardware counterparts BUCK[1-4] and LDO[1-4]
+
+ patternProperties:
+ "^buck[1-4]$":
+ allOf:
+ - $ref: "regulator.yaml#"
+ type: object
+
+ "^ldo[1-4]$":
+ allOf:
+ - $ref: "regulator.yaml#"
+ type: object
+
+ additionalProperties: false
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@69 {
+ compatible = "mps,mp5416";
+ reg = <0x69>;
+
+ regulators {
+
+ buck1 {
+ regulator-name = "buck1";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-min-microamp = <3800000>;
+ regulator-max-microamp = <6800000>;
+ regulator-boot-on;
+ };
+
+ ldo2 {
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3975000>;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
index 49b617c98ae7..9147df29022a 100644
--- a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
+++ b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
@@ -22,6 +22,7 @@ properties:
enum:
- amlogic,meson-gx-spicc # SPICC controller on Amlogic GX and compatible SoCs
- amlogic,meson-axg-spicc # SPICC controller on Amlogic AXG and compatible SoCs
+ - amlogic,meson-g12a-spicc # SPICC controller on Amlogic G12A and compatible SoCs
interrupts:
maxItems: 1
@@ -40,6 +41,27 @@ properties:
items:
- const: core
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - amlogic,meson-g12a-spicc
+
+then:
+ properties:
+ clocks:
+ contains:
+ items:
+ - description: controller register bus clock
+ - description: baud rate generator and delay control clock
+
+ clock-names:
+ minItems: 2
+ items:
+ - const: core
+ - const: pclk
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
index 2d3264140cc5..33bc58f4cf4b 100644
--- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
+++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
@@ -10,7 +10,10 @@ Required properties:
- "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
- "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
- "fsl,imx53-ecspi" for SPI compatible with the one integrated on i.MX53 and later Soc
- - "fsl,imx8mq-ecspi" for SPI compatible with the one integrated on i.MX8M
+ - "fsl,imx8mq-ecspi" for SPI compatible with the one integrated on i.MX8MQ
+ - "fsl,imx8mm-ecspi" for SPI compatible with the one integrated on i.MX8MM
+ - "fsl,imx8mn-ecspi" for SPI compatible with the one integrated on i.MX8MN
+ - "fsl,imx8mp-ecspi" for SPI compatible with the one integrated on i.MX8MP
- reg : Offset and length of the register set for the device
- interrupts : Should contain CSPI/eCSPI interrupt
- clocks : Clock specifiers for both ipg and per clocks.
diff --git a/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml b/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml
new file mode 100644
index 000000000000..2aa766759d59
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/qca,ar934x-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Atheros AR934x/QCA95xx SoC SPI controller
+
+maintainers:
+ - Chuanhong Guo <gch981213@gmail.com>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ compatible:
+ const: qca,ar934x-spi
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - '#address-cells'
+ - '#size-cells'
+
+examples:
+ - |
+ #include <dt-bindings/clock/ath79-clk.h>
+ spi: spi@1f000000 {
+ compatible = "qca,ar934x-spi";
+ reg = <0x1f000000 0x1c>;
+ clocks = <&pll ATH79_CLK_AHB>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 1e0ca6ccf64b..d8e5509a7081 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -52,6 +52,12 @@ properties:
description:
The SPI controller acts as a slave, instead of a master.
+oneOf:
+ - required:
+ - "#address-cells"
+ - required:
+ - spi-slave
+
patternProperties:
"^slave$":
type: object
@@ -114,7 +120,7 @@ patternProperties:
- enum: [ 1, 2, 4, 8 ]
- default: 1
description:
- Bus width to the SPI bus used for MISO.
+ Bus width to the SPI bus used for read transfers.
spi-rx-delay-us:
description:
@@ -126,7 +132,7 @@ patternProperties:
- enum: [ 1, 2, 4, 8 ]
- default: 1
description:
- Bus width to the SPI bus used for MOSI.
+ Bus width to the SPI bus used for write transfers.
spi-tx-delay-us:
description:
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
index 162e024b95a0..30a79da9c039 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
@@ -1,12 +1,17 @@
ARM Freescale DSPI controller
Required properties:
-- compatible : "fsl,vf610-dspi", "fsl,ls1021a-v1.0-dspi",
- "fsl,ls2085a-dspi"
- or
- "fsl,ls2080a-dspi" followed by "fsl,ls2085a-dspi"
- "fsl,ls1012a-dspi" followed by "fsl,ls1021a-v1.0-dspi"
- "fsl,ls1088a-dspi" followed by "fsl,ls1021a-v1.0-dspi"
+- compatible : must be one of:
+ "fsl,vf610-dspi",
+ "fsl,ls1021a-v1.0-dspi",
+ "fsl,ls1012a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
+ "fsl,ls1028a-dspi",
+ "fsl,ls1043a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
+ "fsl,ls1046a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
+ "fsl,ls1088a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
+ "fsl,ls2080a-dspi" (optionally followed by "fsl,ls2085a-dspi"),
+ "fsl,ls2085a-dspi",
+ "fsl,lx2160a-dspi",
- reg : Offset and length of the register set for the device
- interrupts : Should contain SPI controller interrupt
- clocks: from common clock binding: handle to dspi clock.
@@ -14,11 +19,11 @@ Required properties:
- pinctrl-0: pin control group to be used for this controller.
- pinctrl-names: must contain a "default" entry.
- spi-num-chipselects : the number of the chipselect signals.
-- bus-num : the slave chip chipselect signal number.
Optional property:
- big-endian: If present the dspi device's registers are implemented
in big endian mode.
+- bus-num : the slave chip chipselect signal number.
Optional SPI slave node properties:
- fsl,spi-cs-sck-delay: a delay in nanoseconds between activating chip
diff --git a/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt b/Documentation/devicetree/bindings/spi/spi-mtk-nor.txt
index a12e3b5c495d..984ae7fd4f94 100644
--- a/Documentation/devicetree/bindings/mtd/mtk-quadspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-mtk-nor.txt
@@ -1,4 +1,4 @@
-* Serial NOR flash controller for MediaTek SoCs
+* Serial NOR flash controller for MediaTek ARM SoCs
Required properties:
- compatible: For mt8173, compatible should be "mediatek,mt8173-nor",
@@ -13,6 +13,7 @@ Required properties:
"mediatek,mt7629-nor", "mediatek,mt8173-nor"
"mediatek,mt8173-nor"
- reg: physical base address and length of the controller's register
+- interrupts: Interrupt number used by the controller.
- clocks: the phandle of the clocks needed by the nor controller
- clock-names: the names of the clocks
the clocks should be named "spi" and "sf". "spi" is used for spi bus,
@@ -22,20 +23,16 @@ Required properties:
- #address-cells: should be <1>
- #size-cells: should be <0>
-The SPI flash must be a child of the nor_flash node and must have a
-compatible property. Also see jedec,spi-nor.txt.
-
-Required properties:
-- compatible: May include a device-specific string consisting of the manufacturer
- and name of the chip. Must also include "jedec,spi-nor" for any
- SPI NOR flash that can be identified by the JEDEC READ ID opcode (0x9F).
-- reg : Chip-Select number
+There should be only one spi slave device following generic spi bindings.
+It's not recommended to use this controller for devices other than SPI NOR
+flash due to limited transfer capability of this controller.
Example:
nor_flash: spi@1100d000 {
compatible = "mediatek,mt8173-nor";
reg = <0 0x1100d000 0 0xe0>;
+ interrupts = <&spi_flash_irq>;
clocks = <&pericfg CLK_PERI_SPI>,
<&topckgen CLK_TOP_SPINFI_IFR_SEL>;
clock-names = "spi", "sf";
diff --git a/Documentation/devicetree/bindings/spi/spi-mux.yaml b/Documentation/devicetree/bindings/spi/spi-mux.yaml
new file mode 100644
index 000000000000..0ae692dc28b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-mux.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-mux.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic SPI Multiplexer
+
+description: |
+ This binding describes a SPI bus multiplexer to route the SPI chip select
+ signals. This can be used when you need more devices than the SPI controller
+ has chip selects available. An example setup is shown in ASCII art; the actual
+ setting of the multiplexer to a channel needs to be done by a specific SPI mux
+ driver.
+
+ MOSI /--------------------------------+--------+--------+--------\
+ MISO |/------------------------------+|-------+|-------+|-------\|
+ SCL ||/----------------------------+||------+||------+||------\||
+ ||| ||| ||| ||| |||
+ +------------+ ||| ||| ||| |||
+ | SoC ||| | +-+++-+ +-+++-+ +-+++-+ +-+++-+
+ | ||| | | dev | | dev | | dev | | dev |
+ | +--+++-+ | CS-X +------+\ +--+--+ +--+--+ +--+--+ +--+--+
+ | | SPI +-|-------+ Mux |\\ CS-0 | | | |
+ | +------+ | +--+---+\\\-------/ CS-1 | | |
+ | | | \\\----------------/ CS-2 | |
+ | +------+ | | \\-------------------------/ CS-3 |
+ | | ? +-|----------/ \----------------------------------/
+ | +------+ |
+ +------------+
+
+allOf:
+ - $ref: "/schemas/spi/spi-controller.yaml#"
+
+maintainers:
+ - Chris Packham <chris.packham@alliedtelesis.co.nz>
+
+properties:
+ compatible:
+ const: spi-mux
+
+ mux-controls:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - spi-max-frequency
+ - mux-controls
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ mux: mux-controller {
+ compatible = "gpio-mux";
+ #mux-control-cells = <0>;
+
+ mux-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+ };
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spi@0 {
+ compatible = "spi-mux";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spi-max-frequency = <100000000>;
+
+ mux-controls = <&mux>;
+
+ spi-flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spi-max-frequency = <40000000>;
+ };
+
+ spi-device@1 {
+ compatible = "lineartechnology,ltc2488";
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
index 2cd67eb727d4..7ac60d9fe357 100644
--- a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
@@ -2,6 +2,9 @@
Required properties:
- compatible : Should be "nxp,lx2160a-fspi"
+ "nxp,imx8qxp-fspi"
+ "nxp,imx8mm-fspi"
+
- reg : First contains the register location and length,
Second contains the memory mapping address and length
- reg-names : Should contain the resource reg names:
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
deleted file mode 100644
index a0edac12d8df..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
+++ /dev/null
@@ -1,58 +0,0 @@
-* Rockchip SPI Controller
-
-The Rockchip SPI controller is used to interface with various devices such as flash
-and display controllers using the SPI communication interface.
-
-Required Properties:
-
-- compatible: should be one of the following.
- "rockchip,rv1108-spi" for rv1108 SoCs.
- "rockchip,px30-spi", "rockchip,rk3066-spi" for px30 SoCs.
- "rockchip,rk3036-spi" for rk3036 SoCS.
- "rockchip,rk3066-spi" for rk3066 SoCs.
- "rockchip,rk3188-spi" for rk3188 SoCs.
- "rockchip,rk3228-spi" for rk3228 SoCS.
- "rockchip,rk3288-spi" for rk3288 SoCs.
- "rockchip,rk3368-spi" for rk3368 SoCs.
- "rockchip,rk3399-spi" for rk3399 SoCs.
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: The interrupt number to the cpu. The interrupt specifier format
- depends on the interrupt controller.
-- clocks: Must contain an entry for each entry in clock-names.
-- clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for
- the peripheral clock.
-- #address-cells: should be 1.
-- #size-cells: should be 0.
-
-Optional Properties:
-
-- 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.
-- rx-sample-delay-ns: nanoseconds to delay after the SCLK edge before sampling
- Rx data (may need to be fine tuned for high capacitance lines).
- No delay (0) by default.
-- pinctrl-names: Names for the pin configuration(s); may be "default" or
- "sleep", where the "sleep" configuration may describe the state
- the pins should be in during system suspend. See also
- pinctrl/pinctrl-bindings.txt.
-
-
-Example:
-
- spi0: spi@ff110000 {
- compatible = "rockchip,rk3066-spi";
- reg = <0xff110000 0x1000>;
- dmas = <&pdma1 11>, <&pdma1 12>;
- dma-names = "tx", "rx";
- rx-sample-delay-ns = <10>;
- #address-cells = <1>;
- #size-cells = <0>;
- interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
- clock-names = "spiclk", "apb_pclk";
- pinctrl-0 = <&spi1_pins>;
- pinctrl-1 = <&spi1_sleep>;
- pinctrl-names = "default", "sleep";
- };
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
new file mode 100644
index 000000000000..81ad4b761502
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-rockchip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SPI Controller
+
+description:
+ The Rockchip SPI controller is used to interface with various devices such
+ as flash and display controllers using the SPI communication interface.
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+maintainers:
+ - Heiko Stuebner <heiko@sntech.de>
+
+# Everything else is described in the common file
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,rk3036-spi
+ - const: rockchip,rk3066-spi
+ - const: rockchip,rk3228-spi
+ - const: rockchip,rv1108-spi
+ - items:
+ - enum:
+ - rockchip,px30-spi
+ - rockchip,rk3188-spi
+ - rockchip,rk3288-spi
+ - rockchip,rk3308-spi
+ - rockchip,rk3328-spi
+ - rockchip,rk3368-spi
+ - rockchip,rk3399-spi
+ - const: rockchip,rk3066-spi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: transfer-clock
+ - description: peripheral clock
+
+ clock-names:
+ items:
+ - const: spiclk
+ - const: apb_pclk
+
+ dmas:
+ items:
+ - description: TX DMA Channel
+ - description: RX DMA Channel
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ rx-sample-delay-ns:
+ default: 0
+ description:
+ Nano seconds to delay after the SCLK edge before sampling Rx data
+ (may need to be fine tuned for high capacitance lines).
+ If not specified 0 will be used.
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: sleep
+ description:
+ Names for the pin configuration(s); may be "default" or "sleep",
+ where the "sleep" configuration may describe the state
+ the pins should be in during system suspend.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru-common.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi0: spi@ff110000 {
+ compatible = "rockchip,rk3066-spi";
+ reg = <0xff110000 0x1000>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
+ clock-names = "spiclk", "apb_pclk";
+ dmas = <&pdma1 11>, <&pdma1 12>;
+ dma-names = "tx", "rx";
+ pinctrl-0 = <&spi1_pins>;
+ pinctrl-1 = <&spi1_sleep>;
+ pinctrl-names = "default", "sleep";
+ rx-sample-delay-ns = <10>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };