From ac4b9f2c1f9151b0a08a9723015f0e753f379c47 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Tue, 16 Jul 2024 21:03:07 +0800
Subject: [PATCH] Patch:IGKBoard-IMX8MP: Add RS485/CAN support
---
kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch | 289 ++++++++++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 242 insertions(+), 47 deletions(-)
diff --git a/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch b/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
index 7a5846a..35b1422 100644
--- a/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
+++ b/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
@@ -10,10 +10,10 @@
+dtb-$(CONFIG_ARCH_MXC) += igkboard-imx8mp.dtb
diff --git a/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
new file mode 100644
-index 000000000..5b20a7cdc
+index 000000000..fa0ecba89
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
-@@ -0,0 +1,471 @@
+@@ -0,0 +1,657 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kits Board) - imx8mp
@@ -52,7 +52,58 @@
+ sysled {
+ label = "sysled";
+ gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
-+ default-state = "heartbeat";
++ default-state = "on";
++ linux,default-trigger = "heartbeat";
++ };
++
++ ledred {
++ label = "redled";
++ gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ ledgreen {
++ label = "greenled";
++ gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
++ default-state = "off";
++ };
++
++ ledblue {
++ label = "blueled";
++ gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
++ default-state = "on";
++ linux,default-trigger = "timer";
++ };
++ };
++
++ keys {
++ compatible = "gpio-keys";
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_keys>;
++ status = "okay";
++
++ key1 {
++ label = "K1";
++ gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
++ linux,code = <BTN_1>;
++ };
++
++ key2 {
++ label = "K2";
++ gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
++ linux,code = <BTN_2>;
++ };
++
++ key3 {
++ label = "K3";
++ gpios = <&gpio5 26 GPIO_ACTIVE_LOW>;
++ linux,code = <BTN_3>;
++ };
++
++ key4 {
++ label = "K4";
++ gpios = <&gpio5 27 GPIO_ACTIVE_LOW>;
++ linux,code = <BTN_4>;
+ };
+ };
+};
@@ -100,7 +151,6 @@
+ | TF Card on SD2 |
+ +------------------------+*/
+
-+#if 0
+&usdhc2 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -111,7 +161,6 @@
+ no-1-8-v;
+ status = "okay";
+};
-+#endif
+
+/*+------------------------+
+ | Typec USB for download |
@@ -207,16 +256,92 @@
+};
+
+/*+------------------------+
++ | Misc Devices |
++ +------------------------+*/
++
++/* Buzzer */
++&pwm1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_pwm1>;
++ status = "okay";
++};
++
++/*+------------------------+
++ | CAN/RS485 interface |
++ +------------------------+*/
++/* RS485 */
++&uart3 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_uart3>;
++ status = "okay";
++};
++
++/* CAN */
++&flexcan1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_flexcan1>;
++ status = "okay";
++};
++
++&flexcan2 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_flexcan2>;
++ status = "okay";
++};
++
++/*+------------------------+
++ | MikroBUS interface |
++ +------------------------+*/
++
++/* Same as RPi 40Pin extend interface: #32 */
++&pwm3 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_pwm3>;
++ status = "okay";
++};
++
++/* Same as RPi 40Pin extend interface: #19, #21, #23, #24 */
++&uart1 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_uart1>;
++ assigned-clocks = <&clk IMX8MP_CLK_UART1>;
++ assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_80M>;
++ status = "okay";
++};
++
++/* Same as RPi 40Pin extend interface */
++&ecspi2 {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ fsl,spi-num-chipselects = <1>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_ecspi2>;
++ cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
++ status = "okay";
++
++ spidev@0 {
++ compatible = "fsl,spidev", "semtech,sx1301";
++ reg = <0>;
++ spi-max-frequency = <2000000>;
++ };
++};
++
++/* Same as RPi 40Pin extend interface: #3, #5 */
++&i2c5 {
++ clock-frequency = <100000>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_i2c5>;
++ status = "okay";
++};
++
++/*+------------------------+
+ | PCA9450CHN PMIC |
+ +------------------------+*/
+
+&i2c1 {
+ clock-frequency = <400000>;
-+ pinctrl-names = "default", "gpio";
++ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
-+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
-+ scl-gpios = <&gpio5 14 GPIO_ACTIVE_HIGH>;
-+ sda-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ pmic@25 {
@@ -318,15 +443,46 @@
+&iomuxc {
+ pinctrl-names = "default";
+
-+ pinctrl_leds: ledsgrp {
-+ fsl,pins = <
-+ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x140
-+ >;
-+ };
-+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0xc6
++ >;
++ };
++
++ pinctrl_leds: ledsgrp {
++ fsl,pins = <
++ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x140
++ MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x140
++ MX8MP_IOMUXC_GPIO1_IO09__GPIO1_IO09 0x140
++ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x140
++ >;
++ };
++
++ pinctrl_keys: keysgrp {
++ fsl,pins = <
++ MX8MP_IOMUXC_ECSPI1_MISO__GPIO5_IO08 0x140
++ MX8MP_IOMUXC_ECSPI1_SS0__GPIO5_IO09 0x140
++ MX8MP_IOMUXC_UART3_RXD__GPIO5_IO26 0x140
++ MX8MP_IOMUXC_UART3_TXD__GPIO5_IO27 0x140
++ >;
++ };
++
++ pinctrl_pwm1: pwm1grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_GPIO1_IO08__PWM1_OUT 0x116
++ >;
++ };
++
++ pinctrl_pwm3: pwm3grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_SAI5_RXC__PWM3_OUT 0x116
++ >;
++ };
++
++ pinctrl_uart1: uart1grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140
++ MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140
+ >;
+ };
+
@@ -337,6 +493,36 @@
+ >;
+ };
+
++ pinctrl_uart3: uart3grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX 0x82
++ MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX 0x82
++ >;
++ };
++
++ pinctrl_flexcan1: flexcan1grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_SPDIF_TX__CAN1_TX 0x154
++ MX8MP_IOMUXC_SPDIF_RX__CAN1_RX 0x154
++ >;
++ };
++
++ pinctrl_flexcan2: flexcan2grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX 0x154
++ MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX 0x154
++ >;
++ };
++
++ pinctrl_ecspi2: ecspi2grp {
++ fsl,pins = <
++ MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x82
++ MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI 0x82
++ MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO 0x82
++ MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13 0x40000
++ >;
++ };
++
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3
@@ -344,10 +530,10 @@
+ >;
+ };
+
-+ pinctrl_i2c1_gpio: i2c1grp-gpio {
++ pinctrl_i2c5: i2c5grp {
+ fsl,pins = <
-+ MX8MP_IOMUXC_I2C1_SCL__GPIO5_IO14 0x1c3
-+ MX8MP_IOMUXC_I2C1_SDA__GPIO5_IO15 0x1c3
++ MX8MP_IOMUXC_SD1_CMD__I2C5_SDA 0x400001c2
++ MX8MP_IOMUXC_SD1_CLK__I2C5_SCL 0x400001c2
+ >;
+ };
+
@@ -487,10 +673,10 @@
+};
diff --git a/arch/arm64/configs/igkboard-imx8mp_defconfig b/arch/arm64/configs/igkboard-imx8mp_defconfig
new file mode 100644
-index 000000000..6b6fe01d9
+index 000000000..c0bf7a7f4
--- /dev/null
+++ b/arch/arm64/configs/igkboard-imx8mp_defconfig
-@@ -0,0 +1,1118 @@
+@@ -0,0 +1,1127 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_AUDIT=y
@@ -518,10 +704,12 @@
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_BPF=y
++CONFIG_NAMESPACES=y
+CONFIG_USER_NS=y
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_RELAY=y
+CONFIG_BLK_DEV_INITRD=y
++CONFIG_EXPERT=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_PROFILING=y
+CONFIG_ARCH_KEEMBAY=y
@@ -652,7 +840,8 @@
+CONFIG_QRTR_SMD=m
+CONFIG_QRTR_TUN=m
+CONFIG_NET_PKTGEN=m
-+CONFIG_CAN=m
++CONFIG_CAN=y
++CONFIG_CAN_ISOTP=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
@@ -677,8 +866,6 @@
+CONFIG_CFG80211_WEXT=y
+CONFIG_MAC80211=y
+CONFIG_MAC80211_LEDS=y
-+CONFIG_NET_9P=y
-+CONFIG_NET_9P_VIRTIO=y
+CONFIG_NFC=m
+CONFIG_NFC_NCI=m
+CONFIG_NFC_S3FWRN5_I2C=m
@@ -836,7 +1023,7 @@
+CONFIG_REALTEK_PHY=y
+CONFIG_ROCKCHIP_PHY=y
+CONFIG_VITESSE_PHY=y
-+CONFIG_CAN_FLEXCAN=m
++CONFIG_CAN_FLEXCAN=y
+CONFIG_MDIO_BITBANG=y
+CONFIG_MDIO_BUS_MUX_MULTIPLEXER=y
+CONFIG_MDIO_BUS_MUX_MMIOREG=y
@@ -950,22 +1137,8 @@
+CONFIG_PINCTRL_IMX8ULP=y
+CONFIG_PINCTRL_IMX93=y
+CONFIG_PINCTRL_S32V234=y
-+CONFIG_GPIO_ALTERA=m
-+CONFIG_GPIO_DWAPB=y
-+CONFIG_GPIO_IMX_RPMSG=y
-+CONFIG_GPIO_MB86S7X=y
-+CONFIG_GPIO_MPC8XXX=y
++CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_MXC=y
-+CONFIG_GPIO_PL061=y
-+CONFIG_GPIO_WCD934X=m
-+CONFIG_GPIO_XGENE=y
-+CONFIG_GPIO_MAX732X=y
-+CONFIG_GPIO_PCA953X=y
-+CONFIG_GPIO_PCA953X_IRQ=y
-+CONFIG_GPIO_ADP5585=y
-+CONFIG_GPIO_BD9571MWV=m
-+CONFIG_GPIO_MAX77620=y
-+CONFIG_GPIO_SL28CPLD=m
+CONFIG_POWER_RESET_BRCMSTB=y
+CONFIG_POWER_RESET_XGENE=y
+CONFIG_POWER_RESET_SYSCON=y
@@ -1052,6 +1225,7 @@
+CONFIG_RC_DEVICES=y
+CONFIG_IR_GPIO_CIR=m
+CONFIG_MEDIA_SUPPORT=y
++CONFIG_MEDIA_SUPPORT_FILTER=y
+CONFIG_MEDIA_CAMERA_SUPPORT=y
+CONFIG_MEDIA_ANALOG_TV_SUPPORT=y
+CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
@@ -1145,6 +1319,7 @@
+CONFIG_BACKLIGHT_PWM=y
+CONFIG_BACKLIGHT_LP855X=m
+CONFIG_BACKLIGHT_GPIO=y
++CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
@@ -1204,6 +1379,19 @@
+CONFIG_SND_SOC_LPASS_VA_MACRO=m
+CONFIG_SND_SIMPLE_CARD=y
+CONFIG_SND_AUDIO_GRAPH_CARD=y
++CONFIG_HID_A4TECH=y
++CONFIG_HID_APPLE=y
++CONFIG_HID_BELKIN=y
++CONFIG_HID_CHERRY=y
++CONFIG_HID_CHICONY=y
++CONFIG_HID_CYPRESS=y
++CONFIG_HID_EZKEY=y
++CONFIG_HID_ITE=y
++CONFIG_HID_KENSINGTON=y
++CONFIG_HID_LOGITECH=y
++CONFIG_HID_REDRAGON=y
++CONFIG_HID_MICROSOFT=y
++CONFIG_HID_MONTEREY=y
+CONFIG_HID_MULTITOUCH=m
+CONFIG_I2C_HID_ACPI=m
+CONFIG_I2C_HID_OF=m
@@ -1340,7 +1528,6 @@
+CONFIG_RTC_DRV_IMX_SC=y
+CONFIG_RTC_DRV_IMX_RPMSG=y
+CONFIG_DMADEVICES=y
-+CONFIG_BCM_SBA_RAID=m
+CONFIG_FSL_EDMA=y
+CONFIG_FSL_QDMA=m
+CONFIG_FSL_EDMA_V3=y
@@ -1501,8 +1688,6 @@
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
-+CONFIG_BTRFS_FS=m
-+CONFIG_BTRFS_FS_POSIX_ACL=y
+CONFIG_FANOTIFY=y
+CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
+CONFIG_QUOTA=y
@@ -1511,21 +1696,28 @@
+CONFIG_CUSE=m
+CONFIG_OVERLAY_FS=m
+CONFIG_VFAT_FS=y
++CONFIG_EXFAT_FS=y
++CONFIG_NTFS_FS=y
++CONFIG_NTFS_RW=y
++CONFIG_NTFS3_FS=y
++CONFIG_NTFS3_64BIT_CLUSTER=y
++CONFIG_NTFS3_LZX_XPRESS=y
++CONFIG_NTFS3_FS_POSIX_ACL=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_HUGETLBFS=y
+CONFIG_EFIVAR_FS=y
+CONFIG_JFFS2_FS=y
-+CONFIG_UBIFS_FS=y
-+CONFIG_SQUASHFS=y
-+CONFIG_SQUASHFS_XZ=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
+CONFIG_NFS_V4_1=y
+CONFIG_NFS_V4_2=y
+CONFIG_ROOT_NFS=y
-+CONFIG_9P_FS=y
+CONFIG_NLS_CODEPAGE_437=y
++CONFIG_NLS_CODEPAGE_936=y
++CONFIG_NLS_CODEPAGE_950=y
++CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_1=y
++CONFIG_NLS_UTF8=y
+CONFIG_TRUSTED_KEYS=m
+# CONFIG_TRUSTED_KEYS_TPM is not set
+# CONFIG_TRUSTED_KEYS_TEE is not set
@@ -1553,12 +1745,16 @@
+CONFIG_CRYPTO_CHACHA20POLY1305=m
+CONFIG_CRYPTO_ECHAINIV=y
+CONFIG_CRYPTO_TLS=m
++CONFIG_CRYPTO_BLAKE2B=m
+CONFIG_CRYPTO_MD4=m
+CONFIG_CRYPTO_RMD160=m
+CONFIG_CRYPTO_STREEBOG=m
+CONFIG_CRYPTO_VMAC=m
+CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_XCBC=m
++CONFIG_CRYPTO_XXHASH=m
++CONFIG_CRYPTO_LZO=y
++CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRYPTO_USER_API_HASH=m
+CONFIG_CRYPTO_USER_API_SKCIPHER=m
@@ -1591,7 +1787,6 @@
+CONFIG_CRC8=y
+CONFIG_CMA_SIZE_MBYTES=32
+CONFIG_PRINTK_TIME=y
-+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
+CONFIG_DEBUG_INFO_REDUCED=y
+CONFIG_MAGIC_SYSRQ=y
--
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