bindings/mmc/rockchip-dw-mshc.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/rockchip-dw-mshc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   Rockchip uses the Synopsys designware mobile storage host controller
12   This file documents the combined properties for the core Synopsys dw mshc
13   controller that are not already included in the synopsys-dw-mshc-common.yaml
17   - $ref: "synopsys-dw-mshc-common.yaml#"
20   - Heiko Stuebner <heiko@sntech.de>
22 # Everything else is described in the common file
27       - const: rockchip,rk2928-dw-mshc
29       - const: rockchip,rk3288-dw-mshc
30       - items:
31           - enum:
33               - rockchip,px30-dw-mshc
35               - rockchip,rk3036-dw-mshc
37               - rockchip,rk3228-dw-mshc
39               - rockchip,rk3308-dw-mshc
41               - rockchip,rk3328-dw-mshc
43               - rockchip,rk3368-dw-mshc
45               - rockchip,rk3399-dw-mshc
47               - rockchip,rv1108-dw-mshc
48           - const: rockchip,rk3288-dw-mshc
61       the card interface unit clock. If "ciu-drive" and "ciu-sample" are
62       specified in clock-names, it should also contain
65   clock-names:
68       - const: biu
69       - const: ciu
70       - const: ciu-drive
71       - const: ciu-sample
73       Apart from the clock-names "biu" and "ciu" two more clocks
74       "ciu-drive" and "ciu-sample" are supported. They are used
75       to control the clock phases, "ciu-sample" is required for tuning
78   rockchip,default-sample-phase:
84       The default phase to set "ciu-sample" at probing,
88   rockchip,desired-num-phases:
99   - compatible
100   - reg
101   - interrupts
102   - clocks
103   - clock-names
108   - |
109     #include <dt-bindings/clock/rk3288-cru.h>
110     #include <dt-bindings/interrupt-controller/arm-gic.h>
111     #include <dt-bindings/interrupt-controller/irq.h>
113       compatible = "rockchip,rk3288-dw-mshc";
118       clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
120       reset-names = "reset";
121       fifo-depth = <0x100>;
122       max-frequency = <150000000>;