target/linux/ath79/dts/qca9558_elecom_wab-i1750-ps.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 #include "qca955x_elecom_wab.dtsi"
   4
   5 / {
   6         compatible = "elecom,wab-i1750-ps", "qca,qca9558";
   7         model = "ELECOM WAB-I1750-PS";
   8
   9         ahb {
  10                 apb {
  11                         /* "SERIAL" port (RJ-45) on the case */
  12                         uart1: uart@18500000 {
  13                                 compatible = "qca,ar9330-uart";
  14                                 reg = <0x18500000 0x14>;
  15
  16                                 pinctrl-names = "default";
  17                                 pinctrl-0 = <&pmx_uart1_in_pins &pmx_uart1_out_pins
  18                                              &jtag_disable_pins>;
  19
  20                                 interrupts = <6>;
  21                                 interrupt-parent = <&miscintc>;
  22
  23                                 clocks = <&pll ATH79_CLK_UART1>;
  24                                 clock-names = "uart";
  25
  26                                 /* QCA955x HS UART is not supported */
  27                                 status = "disabled";
  28                         };
  29                 };
  30         };
  31 };
  32
  33 &gpio {
  34         uart1-out {
  35                 gpio-hog;
  36                 gpios = <0 GPIO_ACTIVE_HIGH>,   /* UART1_TD */
  37                         <2 GPIO_ACTIVE_HIGH>;   /* UART1_RTS */
  38                 output-low;
  39         };
  40
  41         uart1-in {
  42                 gpio-hog;
  43                 gpios = <1 GPIO_ACTIVE_HIGH>,   /* UART1_RD */
  44                         <3 GPIO_ACTIVE_HIGH>;   /* UART1_CTS */
  45                 input;
  46         };
  47 };
  48
  49 &pinmux {
  50         pmx_uart1_out_pins: uart1-out-pins {
  51                 /*
  52                  * mux as uart1 output
  53                  *
  54                  * GPIO0: UART1_TD (sel:18)
  55                  * GPIO2: UART1_RTS (sel:19)
  56                  */
  57                 pinctrl-single,bits = <0x0 0x130012 0xff00ff>;
  58         };
  59
  60         pmx_uart1_in_pins: uart1-in-pins {
  61                 /*
  62                  * mux as uart1 input
  63                  *
  64                  * GPIO1: UART1_RD
  65                  * GPIO3: UART1_CTS
  66                  */
  67                 pinctrl-single,bits = <0x3c 0x3010000 0xffff0000>;
  68         };
  69 };