bindings/memory-controllers/atmel%2Cebi.txt

5 The EBI provides a glue-less interface to asynchronous memories through the SMC
10 - compatible:		"atmel,at91sam9260-ebi"
11 			"atmel,at91sam9261-ebi"
12 			"atmel,at91sam9263-ebi0"
13 			"atmel,at91sam9263-ebi1"
14 			"atmel,at91sam9rl-ebi"
15 			"atmel,at91sam9g45-ebi"
16 			"atmel,at91sam9x5-ebi"
17 			"atmel,sama5d3-ebi"
18 			"microchip,sam9x60-ebi"
20 - reg:			Contains offset/length value for EBI memory mapping.
24 - #address-cells:	Must be 2.
25 			The first cell encodes the CS.
26 			The second cell encode the offset into the CS memory
29 - #size-cells:		Must be set to 1.
31 - ranges:		Encodes CS to memory region association.
33 - clocks:		Clock feeding the EBI controller.
34 			See clock-bindings.txt
40 - reg:			Contains the chip-select id, the offset and the length
47 - atmel,smc-bus-width:		width of the asynchronous device's data bus
51 - atmel,smc-byte-access-type	"write" or "select" (see Atmel datasheet).
54 - atmel,smc-read-mode		"nrd" or "ncs".
57 - atmel,smc-write-mode		"nwe" or "ncs".
60 - atmel,smc-exnw-mode		"disabled", "frozen" or "ready".
63 - atmel,smc-page-mode		enable page mode if present. The provided value
67 - atmel,smc-tdf-mode:		"normal" or "optimized". When set to
70 				(next device setup time is subtracted to the
74 If at least one atmel,smc- property is defined the following SMC timing
75 properties become mandatory. In the other hand, if none of the atmel,smc-
77 handled by the sub-device driver, and none of those properties should be
83 - atmel,smc-ncs-rd-setup-ns
84 - atmel,smc-nrd-setup-ns
85 - atmel,smc-ncs-wr-setup-ns
86 - atmel,smc-nwe-setup-ns
87 - atmel,smc-ncs-rd-pulse-ns
88 - atmel,smc-nrd-pulse-ns
89 - atmel,smc-ncs-wr-pulse-ns
90 - atmel,smc-nwe-pulse-ns
91 - atmel,smc-nwe-cycle-ns
92 - atmel,smc-nrd-cycle-ns
93 - atmel,smc-tdf-ns
98 		compatible = "atmel,sama5d3-ebi";
99 		#address-cells = <2>;
100 		#size-cells = <1>;
111 		pinctrl-names = "default";
112 		pinctrl-0 = <&pinctrl_ebi_addr>;
115 			compatible = "cfi-flash";
116 			#address-cells = <1>;
117 			#size-cells = <1>;
119 			bank-width = <2>;
121 			atmel,smc-read-mode = "nrd";
122 			atmel,smc-write-mode = "nwe";
123 			atmel,smc-bus-width = <16>;
124 			atmel,smc-ncs-rd-setup-ns = <0>;
125 			atmel,smc-ncs-wr-setup-ns = <0>;
126 			atmel,smc-nwe-setup-ns = <8>;
127 			atmel,smc-nrd-setup-ns = <16>;
128 			atmel,smc-ncs-rd-pulse-ns = <84>;
129 			atmel,smc-ncs-wr-pulse-ns = <84>;
130 			atmel,smc-nrd-pulse-ns = <76>;
131 			atmel,smc-nwe-pulse-ns = <76>;
132 			atmel,smc-nrd-cycle-ns = <107>;
133 			atmel,smc-nwe-cycle-ns = <84>;
134 			atmel,smc-tdf-ns = <16>;