The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm64/qcom/msm8992-pins.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-only
    2 /*
    3  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
    4  */
    5 
    6 &msmgpio {
    7         blsp1_uart2_default: blsp1_uart2_default {
    8                 pinmux {
    9                         function = "blsp_uart2";
   10                         pins = "gpio4", "gpio5";
   11                 };
   12                 pinconf {
   13                         pins = "gpio4", "gpio5";
   14                         drive-strength = <16>;
   15                         bias-disable;
   16                 };
   17         };
   18 
   19         blsp1_uart2_sleep: blsp1_uart2_sleep {
   20                 pinmux {
   21                         function = "gpio";
   22                         pins = "gpio4", "gpio5";
   23                 };
   24                 pinconf {
   25                         pins = "gpio4", "gpio5";
   26                         drive-strength = <2>;
   27                         bias-pull-down;
   28                 };
   29         };
   30 
   31         /* 0-3 for sdc1 4-6 for sdc2 */
   32         /* Order of pins */
   33         /* SDC1: CLK -> 0, CMD -> 1, DATA -> 2, RCLK -> 3 */
   34         /* SDC2: CLK -> 4, CMD -> 5, DATA -> 6 */
   35         sdc1_clk_on: clk-on {
   36                 pinconf {
   37                         pins = "sdc1_clk";
   38                         bias-disable = <0>; /* No pull */
   39                         drive-strength = <16>; /* 16mA */
   40                 };
   41         };
   42 
   43         sdc1_clk_off: clk-off {
   44                 pinconf {
   45                         pins = "sdc1_clk";
   46                         bias-disable = <0>; /* No pull */
   47                         drive-strength = <2>; /* 2mA */
   48                 };
   49         };
   50 
   51         sdc1_cmd_on: cmd-on {
   52                 pinconf {
   53                         pins = "sdc1_cmd";
   54                         bias-pull-up;
   55                         drive-strength = <8>;
   56                 };
   57         };
   58 
   59         sdc1_cmd_off: cmd-off {
   60                 pinconf {
   61                         pins = "sdc1_cmd";
   62                         bias-pull-up = <0x3>; /* same as 3.10 ?? */
   63                         drive-strength = <2>; /* 2mA */
   64                 };
   65         };
   66 
   67         sdc1_data_on: data-on {
   68                 pinconf {
   69                         pins = "sdc1_data";
   70                         bias-pull-up;
   71                         drive-strength = <8>; /* 8mA */
   72                 };
   73         };
   74 
   75         sdc1_data_off: data-off {
   76                 pinconf {
   77                         pins = "sdc1_data";
   78                         bias-pull-up;
   79                         drive-strength = <2>;
   80                 };
   81         };
   82 
   83         sdc1_rclk_on: rclk-on {
   84                 bias-pull-down; /* pull down */
   85         };
   86 
   87         sdc1_rclk_off: rclk-off {
   88                 bias-pull-down; /* pull down */
   89         };
   90 };

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