qcom,sc7180-pinctrl.txt (5970B)
1Qualcomm Technologies, Inc. SC7180 TLMM block 2 3This binding describes the Top Level Mode Multiplexer block found in the 4SC7180 platform. 5 6- compatible: 7 Usage: required 8 Value type: <string> 9 Definition: must be "qcom,sc7180-pinctrl" 10 11- reg: 12 Usage: required 13 Value type: <prop-encoded-array> 14 Definition: the base address and size of the north, south and west 15 TLMM tiles 16 17- reg-names: 18 Usage: required 19 Value type: <prop-encoded-array> 20 Definition: names for the cells of reg, must contain "north", "south" 21 and "west". 22 23- interrupts: 24 Usage: required 25 Value type: <prop-encoded-array> 26 Definition: should specify the TLMM summary IRQ. 27 28- interrupt-controller: 29 Usage: required 30 Value type: <none> 31 Definition: identifies this node as an interrupt controller 32 33- #interrupt-cells: 34 Usage: required 35 Value type: <u32> 36 Definition: must be 2. Specifying the pin number and flags, as defined 37 in <dt-bindings/interrupt-controller/irq.h> 38 39- gpio-controller: 40 Usage: required 41 Value type: <none> 42 Definition: identifies this node as a gpio controller 43 44- #gpio-cells: 45 Usage: required 46 Value type: <u32> 47 Definition: must be 2. Specifying the pin number and flags, as defined 48 in <dt-bindings/gpio/gpio.h> 49 50- gpio-ranges: 51 Usage: required 52 Value type: <prop-encoded-array> 53 Definition: see ../gpio/gpio.txt 54 55- gpio-reserved-ranges: 56 Usage: optional 57 Value type: <prop-encoded-array> 58 Definition: see ../gpio/gpio.txt 59 60Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for 61a general description of GPIO and interrupt bindings. 62 63Please refer to pinctrl-bindings.txt in this directory for details of the 64common pinctrl bindings used by client devices, including the meaning of the 65phrase "pin configuration node". 66 67The pin configuration nodes act as a container for an arbitrary number of 68subnodes. Each of these subnodes represents some desired configuration for a 69pin, a group, or a list of pins or groups. This configuration can include the 70mux function to select on those pin(s)/group(s), and various pin configuration 71parameters, such as pull-up, drive strength, etc. 72 73 74PIN CONFIGURATION NODES: 75 76The name of each subnode is not important; all subnodes should be enumerated 77and processed purely based on their content. 78 79Each subnode only affects those parameters that are explicitly listed. In 80other words, a subnode that lists a mux function but no pin configuration 81parameters implies no information about any pin configuration parameters. 82Similarly, a pin subnode that describes a pullup parameter implies no 83information about e.g. the mux function. 84 85 86The following generic properties as defined in pinctrl-bindings.txt are valid 87to specify in a pin configuration subnode: 88 89- pins: 90 Usage: required 91 Value type: <string-array> 92 Definition: List of gpio pins affected by the properties specified in 93 this subnode. 94 95 Valid pins are: 96 gpio0-gpio118 97 Supports mux, bias and drive-strength 98 99 sdc1_clk, sdc1_cmd, sdc1_data sdc2_clk, sdc2_cmd, 100 sdc2_data sdc1_rclk 101 Supports bias and drive-strength 102 103 ufs_reset 104 Supports bias and drive-strength 105 106- function: 107 Usage: required 108 Value type: <string> 109 Definition: Specify the alternative function to be configured for the 110 specified pins. Functions are only valid for gpio pins. 111 Valid values are: 112 113 adsp_ext, agera_pll, aoss_cti, atest_char, atest_char0, 114 atest_char1, atest_char2, atest_char3, atest_tsens, 115 atest_tsens2, atest_usb1, atest_usb10, atest_usb11, 116 atest_usb12, atest_usb13, atest_usb2, atest_usb20, 117 atest_usb21, atest_usb22, atest_usb23, audio_ref, 118 btfm_slimbus, cam_mclk, cci_async, cci_i2c, cci_timer0, 119 cci_timer1, cci_timer2, cci_timer3, cci_timer4, 120 cri_trng, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1, 121 ddr_pxi2, ddr_pxi3, dp_hot, edp_lcd, gcc_gp1, gcc_gp2, 122 gcc_gp3, gpio, gp_pdm0, gp_pdm1, gp_pdm2, gps_tx, 123 jitter_bist, ldo_en, ldo_update, lpass_ext, mdp_vsync, 124 mdp_vsync0, mdp_vsync1, mdp_vsync2, mdp_vsync3, mi2s_0, 125 mi2s_1, mi2s_2, mss_lte, m_voc, pa_indicator, phase_flag, 126 PLL_BIST, pll_bypassnl, pll_reset, prng_rosc, qdss, 127 qdss_cti, qlink_enable, qlink_request, qspi_clk, qspi_cs, 128 qspi_data, qup00, qup01, qup02_i2c, qup02_uart, qup03, 129 qup04_i2c, qup04_uart, qup05, qup10, qup11_i2c, qup11_uart, 130 qup12, qup13_i2c, qup13_uart, qup14, qup15, sdc1_tb, 131 sdc2_tb, sd_write, sp_cmu, tgu_ch0, tgu_ch1, tgu_ch2, 132 tgu_ch3, tsense_pwm1, tsense_pwm2, uim1, uim2, uim_batt, 133 usb_phy, vfr_1, _V_GPIO, _V_PPS_IN, _V_PPS_OUT, 134 vsense_trigger, wlan1_adc0, wlan1_adc1, wlan2_adc0, 135 wlan2_adc1, 136 137- bias-disable: 138 Usage: optional 139 Value type: <none> 140 Definition: The specified pins should be configured as no pull. 141 142- bias-pull-down: 143 Usage: optional 144 Value type: <none> 145 Definition: The specified pins should be configured as pull down. 146 147- bias-pull-up: 148 Usage: optional 149 Value type: <none> 150 Definition: The specified pins should be configured as pull up. 151 152- output-high: 153 Usage: optional 154 Value type: <none> 155 Definition: The specified pins are configured in output mode, driven 156 high. 157 Not valid for sdc pins. 158 159- output-low: 160 Usage: optional 161 Value type: <none> 162 Definition: The specified pins are configured in output mode, driven 163 low. 164 Not valid for sdc pins. 165 166- drive-strength: 167 Usage: optional 168 Value type: <u32> 169 Definition: Selects the drive strength for the specified pins, in mA. 170 Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 171 172Example: 173 174 tlmm: pinctrl@3500000 { 175 compatible = "qcom,sc7180-pinctrl"; 176 reg = <0x3500000 0x300000>, 177 <0x3900000 0x300000>, 178 <0x3D00000 0x300000>; 179 reg-names = "west", "north", "south"; 180 interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; 181 gpio-controller; 182 #gpio-cells = <2>; 183 gpio-ranges = <&tlmm 0 0 119>; 184 gpio-reserved-ranges = <0 4>, <106 4>; 185 interrupt-controller; 186 #interrupt-cells = <2>; 187 };