18c2ecf20Sopenharmony_ci* ST-Microelectronics SPI FSM Serial (NOR) Flash Controller 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci - compatible : Should be "st,spi-fsm" 58c2ecf20Sopenharmony_ci - reg : Contains register's location and length. 68c2ecf20Sopenharmony_ci - reg-names : Should contain the reg names "spi-fsm" 78c2ecf20Sopenharmony_ci - interrupts : The interrupt number 88c2ecf20Sopenharmony_ci - pinctrl-0 : Standard Pinctrl phandle (see: pinctrl/pinctrl-bindings.txt) 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciOptional properties: 118c2ecf20Sopenharmony_ci - st,syscfg : Phandle to boot-device system configuration registers 128c2ecf20Sopenharmony_ci - st,boot-device-reg : Address of the aforementioned boot-device register(s) 138c2ecf20Sopenharmony_ci - st,boot-device-spi : Expected boot-device value if booted via this device 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciExample: 168c2ecf20Sopenharmony_ci spifsm: spifsm@fe902000{ 178c2ecf20Sopenharmony_ci compatible = "st,spi-fsm"; 188c2ecf20Sopenharmony_ci reg = <0xfe902000 0x1000>; 198c2ecf20Sopenharmony_ci reg-names = "spi-fsm"; 208c2ecf20Sopenharmony_ci pinctrl-0 = <&pinctrl_fsm>; 218c2ecf20Sopenharmony_ci st,syscfg = <&syscfg_rear>; 228c2ecf20Sopenharmony_ci st,boot-device-reg = <0x958>; 238c2ecf20Sopenharmony_ci st,boot-device-spi = <0x1a>; 248c2ecf20Sopenharmony_ci }; 258c2ecf20Sopenharmony_ci 26