xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/spi/spi-mxic.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunMacronix SPI controller Device Tree Bindings
2*4882a593Smuzhiyun--------------------------------------------
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun- compatible: should be "mxicy,mx25f0a-spi"
6*4882a593Smuzhiyun- #address-cells: should be 1
7*4882a593Smuzhiyun- #size-cells: should be 0
8*4882a593Smuzhiyun- reg: should contain 2 entries, one for the registers and one for the direct
9*4882a593Smuzhiyun       mapping area
10*4882a593Smuzhiyun- reg-names: should contain "regs" and "dirmap"
11*4882a593Smuzhiyun- clock-names: should contain "ps_clk", "send_clk" and "send_dly_clk"
12*4882a593Smuzhiyun- clocks: should contain 3 entries for the "ps_clk", "send_clk" and
13*4882a593Smuzhiyun	  "send_dly_clk" clocks
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunOptional properties:
16*4882a593Smuzhiyun- interrupts: interrupt line connected to the SPI controller
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunExample:
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun	spi@43c30000 {
21*4882a593Smuzhiyun		compatible = "mxicy,mx25f0a-spi";
22*4882a593Smuzhiyun		reg = <0x43c30000 0x10000>, <0xa0000000 0x20000000>;
23*4882a593Smuzhiyun		reg-names = "regs", "dirmap";
24*4882a593Smuzhiyun		clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 18>;
25*4882a593Smuzhiyun		clock-names = "send_clk", "send_dly_clk", "ps_clk";
26*4882a593Smuzhiyun		#address-cells = <1>;
27*4882a593Smuzhiyun		#size-cells = <0>;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun		flash@0 {
30*4882a593Smuzhiyun			compatible = "jedec,spi-nor";
31*4882a593Smuzhiyun			reg = <0>;
32*4882a593Smuzhiyun			spi-max-frequency = <25000000>;
33*4882a593Smuzhiyun			spi-tx-bus-width = <4>;
34*4882a593Smuzhiyun			spi-rx-bus-width = <4>;
35*4882a593Smuzhiyun		};
36*4882a593Smuzhiyun	};
37