i.MX ProcessorsのトピックHow to configure tca6416 as a button https://community.nxp.com/t5/i-MX-Processors/How-to-configure-tca6416-as-a-button/m-p/657538#M100873 <HTML><HEAD></HEAD><BODY><P>Hi,everyone</P><P>I need tca6416a as input button and output control for my new design,how to configure tca6416 as gpio button and gpio.Is it like below?&nbsp;</P><P>i2c@3 {<BR /> #address-cells = &lt;1&gt;;<BR /> #size-cells = &lt;0&gt;;<BR /> reg = &lt;3&gt;;<BR /> tca6416: tca6416@21{<BR /> compatible = "ti,tca6416";<BR /> reg = &lt;0x21&gt;;<BR /> gpio-controller;<BR /> #gpio-cells = &lt;2&gt;;<BR /> };<BR /> };</P><P>gpio_keys {<BR /> compatible = "gpio-keys";<BR /> pinctrl-names = "default";<BR /> <BR /> power-button {<BR /> label = "Power Button";<BR /> linux,code = &lt;KEY_POWER&gt;;<BR /> gpios = &lt;&amp;gpio4 22 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> <BR /> left{<BR /> label = "left";<BR /> linux,code = &lt;KEY_RIGHT&gt;;<BR /> gpios = &lt;&amp;tca6416 0 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> right {<BR /> label = "right";<BR /> linux,code = &lt;KEY_LEFT&gt;;<BR /> gpios = &lt;&amp;tca6416 1 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> };</P><P>leds {<BR /> compatible = "gpio-leds";<BR /> pinctrl-names = "default";<BR /> <BR /> <BR /> keybacklight{<BR /> label = "keybl";<BR /> gpios = &lt;&amp;tca6416 2 GPIO_ACTIVE_HIGH&gt;;<BR /> };<BR /> };</P></BODY></HTML> Thu, 16 Mar 2017 03:19:45 GMT 末班车上的乘客 2017-03-16T03:19:45Z How to configure tca6416 as a button https://community.nxp.com/t5/i-MX-Processors/How-to-configure-tca6416-as-a-button/m-p/657538#M100873 <HTML><HEAD></HEAD><BODY><P>Hi,everyone</P><P>I need tca6416a as input button and output control for my new design,how to configure tca6416 as gpio button and gpio.Is it like below?&nbsp;</P><P>i2c@3 {<BR /> #address-cells = &lt;1&gt;;<BR /> #size-cells = &lt;0&gt;;<BR /> reg = &lt;3&gt;;<BR /> tca6416: tca6416@21{<BR /> compatible = "ti,tca6416";<BR /> reg = &lt;0x21&gt;;<BR /> gpio-controller;<BR /> #gpio-cells = &lt;2&gt;;<BR /> };<BR /> };</P><P>gpio_keys {<BR /> compatible = "gpio-keys";<BR /> pinctrl-names = "default";<BR /> <BR /> power-button {<BR /> label = "Power Button";<BR /> linux,code = &lt;KEY_POWER&gt;;<BR /> gpios = &lt;&amp;gpio4 22 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> <BR /> left{<BR /> label = "left";<BR /> linux,code = &lt;KEY_RIGHT&gt;;<BR /> gpios = &lt;&amp;tca6416 0 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> right {<BR /> label = "right";<BR /> linux,code = &lt;KEY_LEFT&gt;;<BR /> gpios = &lt;&amp;tca6416 1 GPIO_ACTIVE_LOW&gt;;<BR /> };<BR /> };</P><P>leds {<BR /> compatible = "gpio-leds";<BR /> pinctrl-names = "default";<BR /> <BR /> <BR /> keybacklight{<BR /> label = "keybl";<BR /> gpios = &lt;&amp;tca6416 2 GPIO_ACTIVE_HIGH&gt;;<BR /> };<BR /> };</P></BODY></HTML> Thu, 16 Mar 2017 03:19:45 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-configure-tca6416-as-a-button/m-p/657538#M100873 末班车上的乘客 2017-03-16T03:19:45Z Re: How to configure tca6416 as a button https://community.nxp.com/t5/i-MX-Processors/How-to-configure-tca6416-as-a-button/m-p/657539#M100874 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>seems tca6416 used on wandboard so one can check its configuration :</P><P><A class="link-titled" href="https://github.com/smartpathinfosystemsindia/mx6-wandboard/blob/master/kernel/linux-3.0.35-imx6-wand/drivers/input/keyboard/tca6416-keypad.c" title="https://github.com/smartpathinfosystemsindia/mx6-wandboard/blob/master/kernel/linux-3.0.35-imx6-wand/drivers/input/keyboard/tca6416-keypad.c">mx6-wandboard/tca6416-keypad.c at master · smartpathinfosystemsindia/mx6-wandboard · GitHub</A>&nbsp;</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 16 Mar 2017 05:17:18 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-configure-tca6416-as-a-button/m-p/657539#M100874 igorpadykov 2017-03-16T05:17:18Z