1 # SPDX-License-Identifier: GPL-2.0
4 $id: http://devicetree.org/schemas/spi/spi-rockchip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip SPI Controller
10 The Rockchip SPI controller is used to interface with various devices such
11 as flash and display controllers using the SPI communication interface.
14 - $ref: "spi-controller.yaml#"
17 - Heiko Stuebner <heiko@sntech.de>
19 # Everything else is described in the common file
23 - const: rockchip,rk3036-spi
24 - const: rockchip,rk3066-spi
25 - const: rockchip,rk3228-spi
26 - const: rockchip,rv1108-spi
38 - const: rockchip,rk3066-spi
48 - description: transfer-clock
49 - description: peripheral clock
58 - description: TX DMA Channel
59 - description: RX DMA Channel
69 Nano seconds to delay after the SCLK edge before sampling Rx data
70 (may need to be fine tuned for high capacitance lines).
71 If not specified 0 will be used.
79 Names for the pin configuration(s); may be "default" or "sleep",
80 where the "sleep" configuration may describe the state
81 the pins should be in during system suspend.
90 unevaluatedProperties: false
94 #include <dt-bindings/clock/rk3188-cru-common.h>
95 #include <dt-bindings/interrupt-controller/arm-gic.h>
96 #include <dt-bindings/interrupt-controller/irq.h>
98 compatible = "rockchip,rk3066-spi";
99 reg = <0xff110000 0x1000>;
100 interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
101 clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
102 clock-names = "spiclk", "apb_pclk";
103 dmas = <&pdma1 11>, <&pdma1 12>;
104 dma-names = "tx", "rx";
105 pinctrl-0 = <&spi1_pins>;
106 pinctrl-1 = <&spi1_sleep>;
107 pinctrl-names = "default", "sleep";
108 rx-sample-delay-ns = <10>;
109 #address-cells = <1>;