凌云实验室推出的ARM Linux物联网网关开发板IGKBoard(IoT Gateway Kit Board)项目源码
guowenxue
2021-11-17 37ffbbb7180e6a96f52ede5ce8780f1a645133f3
bsp/kernel/patch/linux-imx-imx6ull.patch
@@ -1,12 +1,18 @@
diff -Nuar -x include-prefixes -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi linux-imx-imx6ull/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
--- linux-imx/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi   2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-imx6ull/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi   2021-11-16 23:10:04.218339568 +0800
@@ -31,7 +31,35 @@
+++ linux-imx-imx6ull/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi   2021-11-17 21:58:06.816818504 +0800
@@ -31,7 +31,41 @@
       brightness-levels = <0 4 8 16 32 64 128 255>;
       default-brightness-level = <6>;
       status = "okay";
-   };
+   }; 
+
+   buzzer: pwm-buzzer {
+        compatible = "pwm-beeper";
+        pwms = <&pwm2 0 500000>;
+        status = "okay";
+   };
+
+    leds {
+        compatible = "gpio-leds";
@@ -38,7 +44,30 @@
 
    pxp_v4l2 {
       compatible = "fsl,imx6ul-pxp-v4l2", "fsl,imx6sx-pxp-v4l2", "fsl,imx6sl-pxp-v4l2";
@@ -301,21 +329,21 @@
@@ -184,6 +218,12 @@
    pinctrl-0 = <&pinctrl_i2c2>;
    status = "okay";
+    rtc@6f {
+        compatible = "isil,isl1208";
+        reg = <0x6f>;
+        status = "okay";
+    };
+
    codec: wm8960@1a {
       #sound-dai-cells = <0>;
       compatible = "wlf,wm8960";
@@ -192,7 +232,8 @@
       wlf,hp-cfg = <3 2 3>;
       wlf,gpio-cfg = <1 3>;
       clocks = <&clks IMX6UL_CLK_SAI2>;
-      clock-names = "mclk";
+      clock-names = "mclk";
+        status = "disabled";
    };
    ov5640: ov5640@3c {
@@ -301,21 +342,21 @@
 
    display0: display@0 {
       bits-per-pixel = <16>;
@@ -70,16 +99,39 @@
             hsync-active = <0>;
             vsync-active = <0>;
             de-active = <1>;
@@ -339,7 +367,7 @@
@@ -332,6 +373,13 @@
    status = "okay";
 };
+&pwm2 {
+   #pwm-cells = <2>;
+   pinctrl-names = "default";
+   pinctrl-0 = <&pinctrl_pwm2>;
+   status = "okay";
+};
+
 &pxp {
    status = "okay";
 };
@@ -339,7 +387,7 @@
 &qspi {
    pinctrl-names = "default";
    pinctrl-0 = <&pinctrl_qspi>;
-   status = "okay";
+   status = "disabled";
+   status = "disabled"; /* disable it for the pins conflict with GPIO Led and Key */
 
    flash0: n25q256a@0 {
       #address-cells = <1>;
@@ -463,6 +491,18 @@
@@ -451,7 +499,7 @@
    non-removable;
    keep-power-in-suspend;
    wakeup-source;
-   status = "okay";
+   status = "disabled"; /* Not used */
 };
 &wdog1 {
@@ -463,6 +511,18 @@
 &iomuxc {
    pinctrl-names = "default";
 
@@ -98,9 +150,42 @@
    pinctrl_csi1: csi1grp {
       fsl,pins = <
          MX6UL_PAD_CSI_MCLK__CSI_MCLK      0x1b088
@@ -610,6 +670,12 @@
       >;
    };
+   pinctrl_pwm2: pwm2grp {
+      fsl,pins = <
+         MX6UL_PAD_GPIO1_IO09__PWM2_OUT   0x110b0
+      >;
+   };
+
    pinctrl_sim2: sim2grp {
       fsl,pins = <
          MX6UL_PAD_CSI_DATA03__SIM2_PORT1_PD      0xb808
@@ -679,8 +745,6 @@
          MX6UL_PAD_SD1_DATA2__USDHC1_DATA2    0x17059
          MX6UL_PAD_SD1_DATA3__USDHC1_DATA3    0x17059
          MX6UL_PAD_UART1_RTS_B__GPIO1_IO19       0x17059 /* SD1 CD */
-         MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT    0x17059 /* SD1 VSELECT */
-         MX6UL_PAD_GPIO1_IO09__GPIO1_IO09        0x17059 /* SD1 RESET */
       >;
    };
diff -Nuar -x include-prefixes -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/imx6ul.dtsi linux-imx-imx6ull/arch/arm/boot/dts/imx6ul.dtsi
--- linux-imx/arch/arm/boot/dts/imx6ul.dtsi   2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-imx6ull/arch/arm/boot/dts/imx6ul.dtsi   2021-11-17 20:39:10.582219267 +0800
@@ -727,6 +727,7 @@
                offset = <0x34>;
                interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
                        <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+               status = "disabled"; /* disable CPU builtin RTC and will use ISL1208 */
             };
             snvs_poweroff: snvs-poweroff {
diff -Nuar -x include-prefixes -x logo_linux_clut224.ppm linux-imx/.cfg-imx6ull linux-imx-imx6ull/.cfg-imx6ull
--- linux-imx/.cfg-imx6ull   1970-01-01 08:00:00.000000000 +0800
+++ linux-imx-imx6ull/.cfg-imx6ull   2021-11-16 23:33:46.661730470 +0800
+++ linux-imx-imx6ull/.cfg-imx6ull   2021-11-17 21:54:22.114060031 +0800
@@ -0,0 +1,6910 @@
+#
+# Automatically generated file; DO NOT EDIT.
@@ -7014,7 +7099,7 @@
+# end of Kernel hacking
diff -Nuar -x include-prefixes -x logo_linux_clut224.ppm linux-imx/Makefile linux-imx-imx6ull/Makefile
--- linux-imx/Makefile   2021-09-08 18:41:11.000000000 +0800
+++ linux-imx-imx6ull/Makefile   2021-11-16 23:16:35.981472215 +0800
+++ linux-imx-imx6ull/Makefile   2021-11-17 21:49:34.243652949 +0800
@@ -367,7 +367,8 @@
 # Alternatively CROSS_COMPILE can be set in the environment.
 # Default value for CROSS_COMPILE is not to prefix executables