Hi,
I’m referring one code related GPIO and it shows as folows:
+#if ENABLE_CUST_GPIO
+/* SPI0 /
+/ SPI0_MISO → GPIO 17 */
+&spi5_default {
- pinmux_gpio {
-
function = "gpio";
-
pins = "gpio17", "gpio18", "gpio19";
- };
+};
+#endif /* ENABLE_CUST_GPIO */
+#if ENABLE_CUST_GPIO
+/* SPI1 /
+/ SPI1_MISO, SPI1_MOSI, SPI1_CS_N → GPIO 8,9,10 /
+/ SPI1_CLK (gpio11) : no change */
+&spi3_default {
- pinmux {
-
function = "gpio";
-
pins = "gpio8", "gpio9";
- };
- pinmux_cs {
-
function = "gpio";
-
pins = "gpio10";
- };
+};
+#else
&blsp_spi3 {
status = “okay”;
};
+#endif
However I haven’t understood how to categorize
- pinmux_gpio
- pinmux_cs
- pinmux
(and more?)
Could you please let me know the guidline of pinmux_***?
regards,
Marty