Qualcomm MSM8916 TLMM block This binding describes the Top Level Mode Multiplexer block found in the MSM8916 platform. - compatible: Usage: required Value type: Definition: must be "qcom,msm8916-pinctrl" - reg: Usage: required Value type: Definition: the base address and size of the TLMM register space. - interrupts: Usage: required Value type: Definition: should specify the TLMM summary IRQ. - interrupt-controller: Usage: required Value type: Definition: identifies this node as an interrupt controller - #interrupt-cells: Usage: required Value type: Definition: must be 2. Specifying the pin number and flags, as defined in - gpio-controller: Usage: required Value type: Definition: identifies this node as a gpio controller - #gpio-cells: Usage: required Value type: Definition: must be 2. Specifying the pin number and flags, as defined in Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for a general description of GPIO and interrupt bindings. Please refer to pinctrl-bindings.txt in this directory for details of the common pinctrl bindings used by client devices, including the meaning of the phrase "pin configuration node". The pin configuration nodes act as a container for an arbitrary number of subnodes. Each of these subnodes represents some desired configuration for a pin, a group, or a list of pins or groups. This configuration can include the mux function to select on those pin(s)/group(s), and various pin configuration parameters, such as pull-up, drive strength, etc. PIN CONFIGURATION NODES: The name of each subnode is not important; all subnodes should be enumerated and processed purely based on their content. Each subnode only affects those parameters that are explicitly listed. In other words, a subnode that lists a mux function but no pin configuration parameters implies no information about any pin configuration parameters. Similarly, a pin subnode that describes a pullup parameter implies no information about e.g. the mux function. The following generic properties as defined in pinctrl-bindings.txt are valid to specify in a pin configuration subnode: - pins: Usage: required Value type: Definition: List of gpio pins affected by the properties specified in this subnode. Valid pins are: gpio0-gpio121, sdc1_clk, sdc1_cmd, sdc1_data sdc2_clk, sdc2_cmd, sdc2_data, qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2, qdsd_data3 - function: Usage: required Value type: Definition: Specify the alternative function to be configured for the specified pins. Functions are only valid for gpio pins. Valid values are: adsp_ext, alsp_int, atest_bbrx0, atest_bbrx1, atest_char, atest_char0, atest_char1, atest_char2, atest_char3, atest_combodac, atest_gpsadc0, atest_gpsadc1, atest_tsens, atest_wlan0, atest_wlan1, backlight_en, bimc_dte0,bimc_dte1, blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5, blsp_i2c6, blsp_spi1, blsp_spi1_cs1, blsp_spi1_cs2, blsp_spi1_cs3, blsp_spi2, blsp_spi2_cs1, blsp_spi2_cs2, blsp_spi2_cs3, blsp_spi3, blsp_spi3_cs1, blsp_spi3_cs2, blsp_spi3_cs3, blsp_spi4, blsp_spi5, blsp_spi6, blsp_uart1, blsp_uart2, blsp_uim1, blsp_uim2, cam1_rst, cam1_standby, cam_mclk0, cam_mclk1, cci_async, cci_i2c, cci_timer0, cci_timer1, cci_timer2, cdc_pdm0, codec_mad, dbg_out, display_5v, dmic0_clk, dmic0_data, dsi_rst, ebi0_wrcdc, euro_us, ext_lpass, flash_strobe, gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a, gcc_gp2_clk_b, gcc_gp3_clk_a, gcc_gp3_clk_b, gpio, gsm0_tx0, gsm0_tx1, gsm1_tx0, gsm1_tx1, gyro_accl, kpsns0, kpsns1, kpsns2, ldo_en, ldo_update, mag_int, mdp_vsync, modem_tsync, m_voc, nav_pps, nav_tsync, pa_indicator, pbs0, pbs1, pbs2, pri_mi2s, pri_mi2s_ws, prng_rosc, pwr_crypto_enabled_a, pwr_crypto_enabled_b, pwr_modem_enabled_a, pwr_modem_enabled_b, pwr_nav_enabled_a, pwr_nav_enabled_b, qdss_ctitrig_in_a0, qdss_ctitrig_in_a1, qdss_ctitrig_in_b0, qdss_ctitrig_in_b1, qdss_ctitrig_out_a0, qdss_ctitrig_out_a1, qdss_ctitrig_out_b0, qdss_ctitrig_out_b1, qdss_traceclk_a, qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b, qdss_tracedata_a, qdss_tracedata_b, reset_n, sd_card, sd_write, sec_mi2s, smb_int, ssbi_wtr0, ssbi_wtr1, uim1, uim2, uim3, uim_batt, wcss_bt, wcss_fm, wcss_wlan, webcam1_rst - bias-disable: Usage: optional Value type: Definition: The specified pins should be configued as no pull. - bias-pull-down: Usage: optional Value type: Definition: The specified pins should be configued as pull down. - bias-pull-up: Usage: optional Value type: Definition: The specified pins should be configued as pull up. - output-high: Usage: optional Value type: Definition: The specified pins are configured in output mode, driven high. Not valid for sdc pins. - output-low: Usage: optional Value type: Definition: The specified pins are configured in output mode, driven low. Not valid for sdc pins. - drive-strength: Usage: optional Value type: Definition: Selects the drive strength for the specified pins, in mA. Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 Example: tlmm: pinctrl@1000000 { compatible = "qcom,msm8916-pinctrl"; reg = <0x1000000 0x300000>; interrupts = <0 208 0>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; uart2: uart2-default { mux { pins = "gpio4", "gpio5"; function = "blsp_uart2"; }; tx { pins = "gpio4"; drive-strength = <4>; bias-disable; }; rx { pins = "gpio5"; drive-strength = <2>; bias-pull-up; }; }; };