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f5bac70f LJ |
1 | STMicroelectronics SSC (SPI) Controller |
2 | --------------------------------------- | |
3 | ||
4 | Required properties: | |
5 | - compatible : "st,comms-ssc4-spi" | |
6 | - reg : Offset and length of the device's register set | |
7 | - interrupts : The interrupt specifier | |
8 | - clock-names : Must contain "ssc" | |
9 | - clocks : Must contain an entry for each name in clock-names | |
10 | See ../clk/* | |
11 | - pinctrl-names : Uses "default", can use "sleep" if provided | |
18ba1f98 | 12 | See ../pinctrl/pinctrl-bindings.txt |
f5bac70f LJ |
13 | |
14 | Optional properties: | |
15 | - cs-gpios : List of GPIO chip selects | |
16 | See ../spi/spi-bus.txt | |
17 | ||
18 | Child nodes represent devices on the SPI bus | |
19 | See ../spi/spi-bus.txt | |
20 | ||
21 | Example: | |
22 | spi@9840000 { | |
23 | compatible = "st,comms-ssc4-spi"; | |
24 | reg = <0x9840000 0x110>; | |
25 | interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; | |
26 | clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>; | |
27 | clock-names = "ssc"; | |
28 | pinctrl-0 = <&pinctrl_spi0_default>; | |
29 | pinctrl-names = "default"; | |
30 | cs-gpios = <&pio17 5 0>; | |
31 | #address-cells = <1>; | |
32 | #size-cells = <0>; | |
33 | ||
34 | st95hf@0{ | |
35 | compatible = "st,st95hf"; | |
36 | reg = <0>; | |
37 | spi-max-frequency = <1000000>; | |
38 | interrupts = <2 IRQ_TYPE_EDGE_FALLING>; | |
39 | }; | |
40 | }; |