Other NXP ProductsのトピックInterrupt parameter: device tree configuration? https://community.nxp.com/t5/Other-NXP-Products/Interrupt-parameter-device-tree-configuration/m-p/1007948#M8502 <HTML><HEAD></HEAD><BODY><P style="color: #242729; background-color: #ffffff; border: 0px; margin: 0px 0px 1em;">I am currently writing a device tree node to configure<SPAN>&nbsp;<STRONG>NXP</STRONG>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>SCI6IS752 Dual Channel UART</STRONG></SPAN><SPAN>&nbsp;</SPAN>with I2C which is connected to the slave address<SPAN>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>0x4d</STRONG></SPAN>. I am also using a clock of 1.8432MHz. The IRQ pin of<SPAN>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>SCISIS752</STRONG></SPAN><SPAN>&nbsp;</SPAN>is attached to an IO Expander GPIO which is gpiopin 456 in my case. My dts configuration:</P><SPAN> </SPAN><P><SPAN>&nbsp;</SPAN></P><SPAN> </SPAN><PRE style="color: #242729; border: 0px; margin: 0px 0px 1em; padding: 12px 8px;"><CODE style="border: 0px; font-weight: inherit;">sc16is752@4d { compatible = "nxp,sc16is752"; reg = &lt;0x4d&gt;; clocks = &lt;&amp;sc16is752_clk&gt;; interrupt-parent = &lt;&amp;gpio3&gt;; interrupts = &lt;7 2&gt;; gpio-controller; #gpio-cells = &lt;2&gt;; sc16is752_clk: sc16is752_clk { compatible = "fixed-clock"; #clock-cells = &lt;0&gt;; clock-frequency = &lt;1843200&gt;; };};</CODE></PRE><SPAN> </SPAN><P><CODE style="background-color: #eff0f1; border: 0px; font-weight: inherit;">&nbsp;</CODE></P><SPAN> </SPAN><P><SPAN> </SPAN></P><SPAN> </SPAN><P style="color: #242729; background-color: #ffffff; border: 0px; margin: 0px 0px 1em;">How do I set the values of interrupt-parent and interrupts for this configuration?</P></BODY></HTML> Tue, 05 Nov 2019 16:13:38 GMT amodamatya 2019-11-05T16:13:38Z Interrupt parameter: device tree configuration? https://community.nxp.com/t5/Other-NXP-Products/Interrupt-parameter-device-tree-configuration/m-p/1007948#M8502 <HTML><HEAD></HEAD><BODY><P style="color: #242729; background-color: #ffffff; border: 0px; margin: 0px 0px 1em;">I am currently writing a device tree node to configure<SPAN>&nbsp;<STRONG>NXP</STRONG>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>SCI6IS752 Dual Channel UART</STRONG></SPAN><SPAN>&nbsp;</SPAN>with I2C which is connected to the slave address<SPAN>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>0x4d</STRONG></SPAN>. I am also using a clock of 1.8432MHz. The IRQ pin of<SPAN>&nbsp;</SPAN><SPAN style="border: 0px; font-weight: bold;"><STRONG>SCISIS752</STRONG></SPAN><SPAN>&nbsp;</SPAN>is attached to an IO Expander GPIO which is gpiopin 456 in my case. My dts configuration:</P><SPAN> </SPAN><P><SPAN>&nbsp;</SPAN></P><SPAN> </SPAN><PRE style="color: #242729; border: 0px; margin: 0px 0px 1em; padding: 12px 8px;"><CODE style="border: 0px; font-weight: inherit;">sc16is752@4d { compatible = "nxp,sc16is752"; reg = &lt;0x4d&gt;; clocks = &lt;&amp;sc16is752_clk&gt;; interrupt-parent = &lt;&amp;gpio3&gt;; interrupts = &lt;7 2&gt;; gpio-controller; #gpio-cells = &lt;2&gt;; sc16is752_clk: sc16is752_clk { compatible = "fixed-clock"; #clock-cells = &lt;0&gt;; clock-frequency = &lt;1843200&gt;; };};</CODE></PRE><SPAN> </SPAN><P><CODE style="background-color: #eff0f1; border: 0px; font-weight: inherit;">&nbsp;</CODE></P><SPAN> </SPAN><P><SPAN> </SPAN></P><SPAN> </SPAN><P style="color: #242729; background-color: #ffffff; border: 0px; margin: 0px 0px 1em;">How do I set the values of interrupt-parent and interrupts for this configuration?</P></BODY></HTML> Tue, 05 Nov 2019 16:13:38 GMT https://community.nxp.com/t5/Other-NXP-Products/Interrupt-parameter-device-tree-configuration/m-p/1007948#M8502 amodamatya 2019-11-05T16:13:38Z