diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/qcom,msm8x74-pinctrl.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/qcom,msm8x74-pinctrl.txt | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8x74-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8x74-pinctrl.txt deleted file mode 100644 index 70ab78fe93c8..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8x74-pinctrl.txt +++ /dev/null @@ -1,92 +0,0 @@ -Qualcomm MSM8x74 TLMM block - -Required properties: -- compatible: "qcom,msm8x74-pinctrl" -- reg: Should be the base address and length of the TLMM block. -- interrupts: Should be the parent IRQ of the TLMM block. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be two. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells : Should be two. - The first cell is the gpio pin number and the - second cell is used for optional parameters. - -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". - -Qualcomm's pin configuration nodes act as a container for an abitrary 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. - -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, function, bias-disable, bias-pull-down, bias-pull,up, drive-strength. - -Non-empty subnodes must specify the 'pins' property. -Note that not all properties are valid for all pins. - - -Valid values for qcom,pins are: - gpio0-gpio145 - Supports mux, bias and drive-strength - - sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data - Supports bias and drive-strength - -Valid values for qcom,function are: - blsp_i2c2, blsp_i2c6, blsp_i2c11, blsp_spi1, blsp_uart2, blsp_uart8, slimbus - - (Note that this is not yet the complete list of functions) - - - -Example: - - msmgpio: pinctrl@fd510000 { - compatible = "qcom,msm8x74-pinctrl"; - reg = <0xfd510000 0x4000>; - - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <0 208 0>; - - pinctrl-names = "default"; - pinctrl-0 = <&uart2_default>; - - uart2_default: uart2_default { - mux { - qcom,pins = "gpio4", "gpio5"; - qcom,function = "blsp_uart2"; - }; - - tx { - qcom,pins = "gpio4"; - drive-strength = <4>; - bias-disable; - }; - - rx { - qcom,pins = "gpio5"; - drive-strength = <2>; - bias-pull-up; - }; - }; - }; |