forked from Qortal/Brooklyn
38 lines
847 B
Plaintext
38 lines
847 B
Plaintext
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// Description: Overlay to enable the secondary memory interface peripheral
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// Author: Luke Wren
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/dts-v1/;
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/plugin/;
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/{
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&smi>;
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__overlay__ {
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pinctrl-names = "default";
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pinctrl-0 = <&smi_pins>;
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status = "okay";
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};
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};
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fragment@1 {
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target = <&gpio>;
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__overlay__ {
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smi_pins: smi_pins {
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/* Don't configure the top two address bits, as
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these are already used as ID_SD and ID_SC */
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brcm,pins = <2 3 4 5 6 7 8 9 10 11 12 13 14 15
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16 17 18 19 20 21 22 23 24 25>;
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/* Alt 1: SMI */
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brcm,function = <5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
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5 5 5 5 5 5 5 5 5>;
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/* /CS, /WE and /OE are pulled high, as they are
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generally active low signals */
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brcm,pull = <2 2 2 2 2 2 0 0 0 0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0>;
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};
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};
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};
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};
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