brcm,ns2-pinmux.txt

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    1 Broadcom Northstar2 IOMUX Controller
    2 
    3 The Northstar2 IOMUX controller supports group based mux configuration. There
    4 are some individual pins that support modifying the pinconf parameters.
    5 
    6 Required properties:
    7 
    8 - compatible:
    9     Must be "brcm,ns2-pinmux"
   10 
   11 - reg:
   12     Define the base and range of the I/O address space that contains the
   13     Northstar2 IOMUX and pin configuration registers.
   14 
   15 Properties in sub nodes:
   16 
   17 - function:
   18     The mux function to select
   19 
   20 - groups:
   21     The list of groups to select with a given function
   22 
   23 - pins:
   24     List of pin names to change configuration
   25 
   26 The generic properties bias-disable, bias-pull-down, bias-pull-up,
   27 drive-strength, slew-rate, input-enable, input-disable are supported
   28 for some individual pins listed at the end.
   29 
   30 For more details, refer to
   31 Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
   32 
   33 For example:
   34 
   35         pinctrl: pinctrl@6501d130 {
   36                 compatible = "brcm,ns2-pinmux";
   37                 reg = <0x6501d130 0x08>,
   38                       <0x660a0028 0x04>,
   39                       <0x660009b0 0x40>;
   40 
   41                 pinctrl-names = "default";
   42                 pinctrl-0 = <&nand_sel>, <&uart3_rx>, <&sdio0_d4>;
   43 
   44                 /* Select nand function */
   45                 nand_sel: nand_sel {
   46                         function = "nand";
   47                         groups = "nand_grp";
   48                 };
   49 
   50                 /* Pull up the uart3 rx pin */
   51                 uart3_rx: uart3_rx {
   52                         pins = "uart3_sin";
   53                         bias-pull-up;
   54                 };
   55 
   56                 /* Set the drive strength of sdio d4 pin */
   57                 sdio0_d4: sdio0_d4 {
   58                         pins = "sdio0_data4";
   59                         drive-strength = <8>;
   60                 };
   61         };
   62 
   63 List of supported functions and groups in Northstar2:
   64 
   65 "nand": "nand_grp"
   66 
   67 "nor": "nor_data_grp", "nor_adv_grp", "nor_addr_0_3_grp", "nor_addr_4_5_grp",
   68         "nor_addr_6_7_grp", "nor_addr_8_9_grp", "nor_addr_10_11_grp",
   69         "nor_addr_12_15_grp"
   70 
   71 "gpio": "gpio_0_1_grp", "gpio_2_5_grp", "gpio_6_7_grp", "gpio_8_9_grp",
   72         "gpio_10_11_grp", "gpio_12_13_grp", "gpio_14_17_grp", "gpio_18_19_grp",
   73         "gpio_20_21_grp", "gpio_22_23_grp", "gpio_24_25_grp", "gpio_26_27_grp",
   74         "gpio_28_29_grp", "gpio_30_31_grp"
   75 
   76 "pcie": "pcie_ab1_clk_wak_grp", "pcie_a3_clk_wak_grp", "pcie_b3_clk_wak_grp",
   77         "pcie_b2_clk_wak_grp", "pcie_a2_clk_wak_grp"
   78 
   79 "uart0": "uart0_modem_grp", "uart0_rts_cts_grp", "uart0_in_out_grp"
   80 
   81 "uart1": "uart1_ext_clk_grp", "uart1_dcd_dsr_grp", "uart1_ri_dtr_grp",
   82         "uart1_rts_cts_grp", "uart1_in_out_grp"
   83 
   84 "uart2": "uart2_rts_cts_grp"
   85 
   86 "pwm": "pwm_0_grp", "pwm_1_grp", "pwm_2_grp", "pwm_3_grp"
   87 
   88 
   89 List of pins that support pinconf parameters:
   90 
   91 "qspi_wp", "qspi_hold", "qspi_cs", "qspi_sck", "uart3_sin", "uart3_sout",
   92 "qspi_mosi", "qspi_miso", "spi0_fss", "spi0_rxd", "spi0_txd", "spi0_sck",
   93 "spi1_fss", "spi1_rxd", "spi1_txd", "spi1_sck", "sdio0_data7",
   94 "sdio0_emmc_rst", "sdio0_led_on", "sdio0_wp", "sdio0_data3", "sdio0_data4",
   95 "sdio0_data5", "sdio0_data6", "sdio0_cmd", "sdio0_data0", "sdio0_data1",
   96 "sdio0_data2", "sdio1_led_on", "sdio1_wp", "sdio0_cd_l", "sdio0_clk",
   97 "sdio1_data5", "sdio1_data6", "sdio1_data7", "sdio1_emmc_rst", "sdio1_data1",
   98 "sdio1_data2", "sdio1_data3", "sdio1_data4", "sdio1_cd_l", "sdio1_clk",
   99 "sdio1_cmd", "sdio1_data0", "ext_mdio_0", "ext_mdc_0", "usb3_p1_vbus_ppc",
  100 "usb3_p1_overcurrent", "usb3_p0_vbus_ppc", "usb3_p0_overcurrent",
  101 "usb2_presence_indication", "usb2_vbus_present", "usb2_vbus_ppc",
  102 "usb2_overcurrent", "sata_led1", "sata_led0"

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pinctrl/brcm,ns2-pinmux.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pinctrl/brcm,ns2-pinmux.txt