User Tools

Site Tools


proper_device_tree_design

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Last revision Both sides next revision
proper_device_tree_design [2018/11/18 10:31]
rpjday [Proper use of .dtsi files]
proper_device_tree_design [2018/11/18 10:32]
rpjday [imx6q-utilite-pro.dts]
Line 100: Line 100:
 </​file>​ </​file>​
  
 +===== Examples of /​delete-property/​ =====
  
 +==== imx6qp.dtsi ====
 +
 +<​file>​
 +#include "​imx6q.dtsi"​
 +
 +/ {
 +        soc {
 +        ​
 +        ...
 +        ​
 +};
 +
 +&fec {
 +        /​delete-property/​interrupts-extended;​
 +        interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>,​
 +                     <0 119 IRQ_TYPE_LEVEL_HIGH>;​
 +};
 +</​file>​
 +
 +==== imx6ul-tx6ul-mainboard.dts ====
 +
 +<​file>​
 +#include "​imx6ul.dtsi"​
 +#include "​imx6ul-tx6ul.dtsi"​
 +
 +/ {
 +        model = "Ka-Ro electronics TXUL-0010 Module on TXUL Mainboard";​
 +        compatible = "​karo,​imx6ul-tx6ul",​ "​fsl,​imx6ul";​
 +
 +        aliases {
 +                lcdif_24bit_pins_a = &​pinctrl_disp0_3;​
 +                mmc0 = &​usdhc1;​
 +                /​delete-property/​ mmc1;
 +                serial2 = &uart3;
 +                serial4 = &uart5;
 +        };
 +        /​delete-node/​ sound;
 +};
 +
 +...
 +
 +&usdhc1 {
 +        pinctrl-0 = <&​pinctrl_usdhc1>;​
 +        non-removable;​
 +        /​delete-property/​ cd-gpios;
 +        cap-sdio-irq;​
 +};
 +
 +&uart1 {
 +        pinctrl-0 = <&​pinctrl_uart1>;​
 +        /​delete-property/​ uart-has-rtscts;​
 +};
 +
 +&uart2 {
 +        pinctrl-0 = <&​pinctrl_uart2>;​
 +        /​delete-property/​ uart-has-rtscts;​
 +        status = "​okay";​
 +};
 +</​file>​
proper_device_tree_design.txt ยท Last modified: 2018/11/18 10:46 by rpjday