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authorSascha Hauer <s.hauer@pengutronix.de>2023-01-04 13:38:22 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2023-01-05 14:34:10 +0100
commit2cd77a9163504498827eda901d0cb975c04423b9 (patch)
tree12f9cd4a2e5e54c5a1a44f293ff114896fcf3bc5 /dts/Bindings/pinctrl/qcom,msm8976-pinctrl.txt
parent9dfcb35ec75d263cbe8967d220934125525198ae (diff)
downloadbarebox-2cd77a9163504498827eda901d0cb975c04423b9.tar.gz
barebox-2cd77a9163504498827eda901d0cb975c04423b9.tar.xz
dts: update to v6.2-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/pinctrl/qcom,msm8976-pinctrl.txt')
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-Qualcomm MSM8976 TLMM block
-
-This binding describes the Top Level Mode Multiplexer block found in the
-MSM8956 and MSM8976 platforms.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be "qcom,msm8976-pinctrl"
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: the base address and size of the TLMM register space.
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: should specify the TLMM summary IRQ.
-
-- interrupt-controller:
- Usage: required
- Value type: <none>
- Definition: identifies this node as an interrupt controller
-
-- #interrupt-cells:
- Usage: required
- Value type: <u32>
- Definition: must be 2. Specifying the pin number and flags, as defined
- in <dt-bindings/interrupt-controller/irq.h>
-
-- gpio-controller:
- Usage: required
- Value type: <none>
- Definition: identifies this node as a gpio controller
-
-- #gpio-cells:
- Usage: required
- Value type: <u32>
- Definition: must be 2. Specifying the pin number and flags, as defined
- in <dt-bindings/gpio/gpio.h>
-
-- gpio-ranges:
- Usage: required
- Definition: see ../gpio/gpio.txt
-
-- gpio-reserved-ranges:
- Usage: optional
- Definition: see ../gpio/gpio.txt
-
-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: <string-array>
- Definition: List of gpio pins affected by the properties specified in
- this subnode.
-
- Valid pins are:
- gpio0-gpio145
- Supports mux, bias and drive-strength
-
- sdc1_clk, sdc1_cmd, sdc1_data,
- sdc2_clk, sdc2_cmd, sdc2_data,
- sdc3_clk, sdc3_cmd, sdc3_data
- Supports bias and drive-strength
-
-- function:
- Usage: required
- Value type: <string>
- Definition: Specify the alternative function to be configured for the
- specified pins. Functions are only valid for gpio pins.
- Valid values are:
-
- gpio, blsp_uart1, blsp_spi1, smb_int, blsp_i2c1, blsp_spi2,
- blsp_uart2, blsp_i2c2, gcc_gp1_clk_b, blsp_spi3,
- qdss_tracedata_b, blsp_i2c3, gcc_gp2_clk_b, gcc_gp3_clk_b,
- blsp_spi4, cap_int, blsp_i2c4, blsp_spi5, blsp_uart5,
- qdss_traceclk_a, m_voc, blsp_i2c5, qdss_tracectl_a,
- qdss_tracedata_a, blsp_spi6, blsp_uart6, qdss_tracectl_b,
- blsp_i2c6, qdss_traceclk_b, mdp_vsync, pri_mi2s_mclk_a,
- sec_mi2s_mclk_a, cam_mclk, cci0_i2c, cci1_i2c, blsp1_spi,
- blsp3_spi, gcc_gp1_clk_a, gcc_gp2_clk_a, gcc_gp3_clk_a,
- uim_batt, sd_write, uim1_data, uim1_clk, uim1_reset,
- uim1_present, uim2_data, uim2_clk, uim2_reset,
- uim2_present, ts_xvdd, mipi_dsi0, us_euro, ts_resout,
- ts_sample, sec_mi2s_mclk_b, pri_mi2s, codec_reset,
- cdc_pdm0, us_emitter, pri_mi2s_mclk_b, pri_mi2s_mclk_c,
- lpass_slimbus, lpass_slimbus0, lpass_slimbus1, codec_int1,
- codec_int2, wcss_bt, sdc3, wcss_wlan2, wcss_wlan1,
- wcss_wlan0, wcss_wlan, wcss_fm, key_volp, key_snapshot,
- key_focus, key_home, pwr_down, dmic0_clk, hdmi_int,
- dmic0_data, wsa_vi, wsa_en, blsp_spi8, wsa_irq, blsp_i2c8,
- pa_indicator, modem_tsync, ssbi_wtr1, gsm1_tx, gsm0_tx,
- sdcard_det, sec_mi2s, ss_switch,
-
-- bias-disable:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as no pull.
-
-- bias-pull-down:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as pull down.
-
-- bias-pull-up:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as pull up.
-
-- output-high:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- high.
- Not valid for sdc pins.
-
-- output-low:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- low.
- Not valid for sdc pins.
-
-- drive-strength:
- Usage: optional
- Value type: <u32>
- 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,msm8976-pinctrl";
- reg = <0x1000000 0x300000>;
- interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&tlmm 0 0 145>;
- interrupt-controller;
- #interrupt-cells = <2>;
-
- blsp1_uart2_active: blsp1_uart2_active {
- mux {
- pins = "gpio4", "gpio5", "gpio6", "gpio7";
- function = "blsp_uart2";
- };
-
- config {
- pins = "gpio4", "gpio5", "gpio6", "gpio7";
- drive-strength = <2>;
- bias-disable;
- };
- };
- };