bindings/spi/spi-rockchip.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-rockchip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14   - $ref: "spi-controller.yaml#"
17   - Heiko Stuebner <heiko@sntech.de>
23       - const: rockchip,rk3036-spi
24       - const: rockchip,rk3066-spi
25       - const: rockchip,rk3228-spi
26       - const: rockchip,rv1108-spi
27       - items:
28           - enum:
29               - rockchip,px30-spi
30               - rockchip,rk3188-spi
31               - rockchip,rk3288-spi
32               - rockchip,rk3308-spi
33               - rockchip,rk3328-spi
34               - rockchip,rk3368-spi
35               - rockchip,rk3399-spi
36               - rockchip,rv1126-spi
37           - const: rockchip,rk3066-spi
47       - description: transfer-clock
48       - description: peripheral clock
50   clock-names:
52       - const: spiclk
53       - const: apb_pclk
57       - description: TX DMA Channel
58       - description: RX DMA Channel
60   dma-names:
62       - const: tx
63       - const: rx
65   rx-sample-delay-ns:
79       - 0 # keep low
80       - 1 # half sclk_out
81       - 2 # one sclk_out
83   pinctrl-names:
86       - const: default
87       - const: sleep
93   rockchip,poll-only:
97   rockchip,cs-inactive-disable:
102   ready-gpios:
103     description: GPIO spec for the spi slave ready signal.
107   - compatible
108   - reg
109   - interrupts
110   - clocks
111   - clock-names
116   - |
117     #include <dt-bindings/clock/rk3188-cru-common.h>
118     #include <dt-bindings/interrupt-controller/arm-gic.h>
119     #include <dt-bindings/interrupt-controller/irq.h>
121       compatible = "rockchip,rk3066-spi";
125       clock-names = "spiclk", "apb_pclk";
127       dma-names = "tx", "rx";
128       pinctrl-0 = <&spi1_pins>;
129       pinctrl-1 = <&spi1_sleep>;
130       pinctrl-names = "default", "sleep";
131       rx-sample-delay-ns = <10>;
132       #address-cells = <1>;
133       #size-cells = <0>;