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lbc.txt

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linux-6.19.14/Documentation/devicetree/bindings/powerpc/fsl/lbc.txt PLAIN TEXT
 1* Chipselect/Local Bus
 2
 3Properties:
 4- name : Should be localbus
 5- #address-cells : Should be either two or three.  The first cell is the
 6                   chipselect number, and the remaining cells are the
 7                   offset into the chipselect.
 8- #size-cells : Either one or two, depending on how large each chipselect
 9                can be.
10- ranges : Each range corresponds to a single chipselect, and cover
11           the entire access window as configured.
12
13Example:
14	localbus@f0010100 {
15		compatible = "fsl,mpc8272-localbus",
16			   "fsl,pq2-localbus";
17		#address-cells = <2>;
18		#size-cells = <1>;
19		reg = <0xf0010100 0x40>;
20
21		ranges = <0x0 0x0 0xfe000000 0x02000000
22			  0x1 0x0 0xf4500000 0x00008000
23			  0x2 0x0 0xfd810000 0x00010000>;
24
25		flash@0,0 {
26			compatible = "jedec-flash";
27			reg = <0x0 0x0 0x2000000>;
28			bank-width = <4>;
29			device-width = <1>;
30		};
31
32		board-control@1,0 {
33			reg = <0x1 0x0 0x20>;
34			compatible = "fsl,mpc8272ads-bcsr";
35		};
36
37		simple-periph@2,0 {
38			compatible = "fsl,elbc-gpcm-uio";
39			reg = <0x2 0x0 0x10000>;
40			elbc-gpcm-br = <0xfd810800>;
41			elbc-gpcm-or = <0xffff09f7>;
42		};
43	};
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