^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Macronix SPI controller Device Tree Bindings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) --------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) - compatible: should be "mxicy,mx25f0a-spi"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - #address-cells: should be 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - #size-cells: should be 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - reg: should contain 2 entries, one for the registers and one for the direct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) mapping area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) - reg-names: should contain "regs" and "dirmap"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) - clock-names: should contain "ps_clk", "send_clk" and "send_dly_clk"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) - clocks: should contain 3 entries for the "ps_clk", "send_clk" and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) "send_dly_clk" clocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) - interrupts: interrupt line connected to the SPI controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) spi@43c30000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) compatible = "mxicy,mx25f0a-spi";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) reg = <0x43c30000 0x10000>, <0xa0000000 0x20000000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) reg-names = "regs", "dirmap";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 18>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) clock-names = "send_clk", "send_dly_clk", "ps_clk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #address-cells = <1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #size-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) flash@0 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) compatible = "jedec,spi-nor";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) reg = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) spi-max-frequency = <25000000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) spi-tx-bus-width = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) spi-rx-bus-width = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };