qcom,apq8084-pinctrl.txt

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    1 Qualcomm APQ8084 TLMM block
    2 
    3 This binding describes the Top Level Mode Multiplexer block found in the
    4 MSM8960 platform.
    5 
    6 - compatible:
    7         Usage: required
    8         Value type: <string>
    9         Definition: must be "qcom,apq8084-pinctrl"
   10 
   11 - reg:
   12         Usage: required
   13         Value type: <prop-encoded-array>
   14         Definition: the base address and size of the TLMM register space.
   15 
   16 - interrupts:
   17         Usage: required
   18         Value type: <prop-encoded-array>
   19         Definition: should specify the TLMM summary IRQ.
   20 
   21 - interrupt-controller:
   22         Usage: required
   23         Value type: <none>
   24         Definition: identifies this node as an interrupt controller
   25 
   26 - #interrupt-cells:
   27         Usage: required
   28         Value type: <u32>
   29         Definition: must be 2. Specifying the pin number and flags, as defined
   30                     in <dt-bindings/interrupt-controller/irq.h>
   31 
   32 - gpio-controller:
   33         Usage: required
   34         Value type: <none>
   35         Definition: identifies this node as a gpio controller
   36 
   37 - #gpio-cells:
   38         Usage: required
   39         Value type: <u32>
   40         Definition: must be 2. Specifying the pin number and flags, as defined
   41                     in <dt-bindings/gpio/gpio.h>
   42 
   43 - gpio-ranges:
   44         Usage: required
   45         Definition:  see ../gpio/gpio.txt
   46 
   47 - gpio-reserved-ranges:
   48         Usage: optional
   49         Definition: see ../gpio/gpio.txt
   50 
   51 Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
   52 a general description of GPIO and interrupt bindings.
   53 
   54 Please refer to pinctrl-bindings.txt in this directory for details of the
   55 common pinctrl bindings used by client devices, including the meaning of the
   56 phrase "pin configuration node".
   57 
   58 The pin configuration nodes act as a container for an arbitrary number of
   59 subnodes. Each of these subnodes represents some desired configuration for a
   60 pin, a group, or a list of pins or groups. This configuration can include the
   61 mux function to select on those pin(s)/group(s), and various pin configuration
   62 parameters, such as pull-up, drive strength, etc.
   63 
   64 
   65 PIN CONFIGURATION NODES:
   66 
   67 The name of each subnode is not important; all subnodes should be enumerated
   68 and processed purely based on their content.
   69 
   70 Each subnode only affects those parameters that are explicitly listed. In
   71 other words, a subnode that lists a mux function but no pin configuration
   72 parameters implies no information about any pin configuration parameters.
   73 Similarly, a pin subnode that describes a pullup parameter implies no
   74 information about e.g. the mux function.
   75 
   76 
   77 The following generic properties as defined in pinctrl-bindings.txt are valid
   78 to specify in a pin configuration subnode:
   79 
   80 - pins:
   81         Usage: required
   82         Value type: <string-array>
   83         Definition: List of gpio pins affected by the properties specified in
   84                     this subnode.  Valid pins are:
   85                     gpio0-gpio146,
   86                     sdc1_clk,
   87                     sdc1_cmd,
   88                     sdc1_data
   89                     sdc2_clk,
   90                     sdc2_cmd,
   91                     sdc2_data
   92 
   93 - function:
   94         Usage: required
   95         Value type: <string>
   96         Definition: Specify the alternative function to be configured for the
   97                     specified pins. Functions are only valid for gpio pins.
   98                     Valid values are:
   99                     adsp_ext, audio_ref, blsp_i2c1, blsp_i2c2, blsp_i2c3,
  100                     blsp_i2c4, blsp_i2c5, blsp_i2c6, blsp_i2c7, blsp_i2c8,
  101                     blsp_i2c9, blsp_i2c10, blsp_i2c11, blsp_i2c12,
  102                     blsp_spi1, blsp_spi2, blsp_spi3, blsp_spi4, blsp_spi5,
  103                     blsp_spi6, blsp_spi7, blsp_spi8, blsp_spi9, blsp_spi10,
  104                     blsp_spi11, blsp_spi12, blsp_uart1, blsp_uart2, blsp_uart3,
  105                     blsp_uart4, blsp_uart5, blsp_uart6, blsp_uart7, blsp_uart8,
  106                     blsp_uart9, blsp_uart10, blsp_uart11, blsp_uart12,
  107                     blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim4, blsp_uim5,
  108                     blsp_uim6, blsp_uim7, blsp_uim8, blsp_uim9, blsp_uim10,
  109                     blsp_uim11, blsp_uim12, cam_mclk0, cam_mclk1, cam_mclk2,
  110                     cam_mclk3, cci_async, cci_async_in0, cci_i2c0, cci_i2c1,
  111                     cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
  112                     edp_hpd, gcc_gp1, gcc_gp2, gcc_gp3, gcc_obt, gcc_vtt,i
  113                     gp_mn, gp_pdm0, gp_pdm1, gp_pdm2, gp0_clk, gp1_clk, gpio,
  114                     hdmi_cec, hdmi_ddc, hdmi_dtest, hdmi_hpd, hdmi_rcv, hsic,
  115                     ldo_en, ldo_update, mdp_vsync, pci_e0, pci_e0_n, pci_e0_rst,
  116                     pci_e1, pci_e1_rst, pci_e1_rst_n, pci_e1_clkreq_n, pri_mi2s,
  117                     qua_mi2s, sata_act, sata_devsleep, sata_devsleep_n,
  118                     sd_write, sdc_emmc_mode, sdc3, sdc4, sec_mi2s, slimbus,
  119                     spdif_tx, spkr_i2s, spkr_i2s_ws, spss_geni, ter_mi2s, tsif1,
  120                     tsif2, uim, uim_batt_alarm
  121 
  122 - bias-disable:
  123         Usage: optional
  124         Value type: <none>
  125         Definition: The specified pins should be configured as no pull.
  126 
  127 - bias-pull-down:
  128         Usage: optional
  129         Value type: <none>
  130         Definition: The specified pins should be configured as pull down.
  131 
  132 - bias-pull-up:
  133         Usage: optional
  134         Value type: <none>
  135         Definition: The specified pins should be configured as pull up.
  136 
  137 - output-high:
  138         Usage: optional
  139         Value type: <none>
  140         Definition: The specified pins are configured in output mode, driven
  141                     high.
  142                     Not valid for sdc pins.
  143 
  144 - output-low:
  145         Usage: optional
  146         Value type: <none>
  147         Definition: The specified pins are configured in output mode, driven
  148                     low.
  149                     Not valid for sdc pins.
  150 
  151 - drive-strength:
  152         Usage: optional
  153         Value type: <u32>
  154         Definition: Selects the drive strength for the specified pins, in mA.
  155                     Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16
  156 
  157 Example:
  158 
  159         tlmm: pinctrl@fd510000 {
  160                 compatible = "qcom,apq8084-pinctrl";
  161                 reg = <0xfd510000 0x4000>;
  162 
  163                 gpio-controller;
  164                 #gpio-cells = <2>;
  165                 gpio-ranges = <&tlmm 0 0 147>;
  166                 interrupt-controller;
  167                 #interrupt-cells = <2>;
  168                 interrupts = <0 208 0>;
  169 
  170                 uart2: uart2-default {
  171                         mux {
  172                                 pins = "gpio4", "gpio5";
  173                                 function = "blsp_uart2";
  174                         };
  175 
  176                         tx {
  177                                 pins = "gpio4";
  178                                 drive-strength = <4>;
  179                                 bias-disable;
  180                         };
  181 
  182                         rx {
  183                                 pins = "gpio5";
  184                                 drive-strength = <2>;
  185                                 bias-pull-up;
  186                         };
  187                 };
  188         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pinctrl/qcom,apq8084-pinctrl.txt

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sys/contrib/device-tree/Bindings/pinctrl/qcom,apq8084-pinctrl.txt