ARM: dts: AM43x-EPOS Initial Support

Add initial DTS support for AM43-EPOS evm.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/dts/Makefile

@@ -92,7 +92,8 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	zynqmp-zc1751-xm016-dc2.dtb		\
 	zynqmp-zc1751-xm019-dc5.dtb
 dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-evm.dtb
-dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb
+dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb	\
+	am43x-epos-evm.dtb
 dtb-$(CONFIG_THUNDERX) += thunderx-88xx.dtb
 
 dtb-$(CONFIG_ARCH_SOCFPGA) +=				\

board/ti/am43xx/board.c

@@ -854,6 +854,8 @@ int board_fit_config_name_match(const char *name)
 		return 0;
 	else if (board_is_sk() && !strcmp(name, "am437x-sk-evm"))
 		return 0;
+	else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm"))
+		return 0;
 	else
 		return -1;
 }

configs/am43xx_evm_defconfig

@@ -32,7 +32,7 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
-CONFIG_OF_LIST="am437x-gp-evm am437x-sk-evm"
+CONFIG_OF_LIST="am437x-gp-evm am437x-sk-evm am43x-epos-evm"
 CONFIG_DM=y
 CONFIG_DM_MMC=y
 CONFIG_SPI_FLASH=y

include/dt-bindings/pinctrl/am43xx.h

@@ -30,4 +30,10 @@
 #define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
 #define PIN_INPUT_PULLDOWN	(INPUT_EN)
 
+/*
+ * Macro to allow using the absolute physical address instead of the
+ * padconf registers instead of the offset from padconf base.
+ */
+#define AM4372_IOPAD(pa, val)	(((pa) & 0xffff) - 0x0800) (val)
+
 #endif

include/dt-bindings/sound/tlv320aic31xx-micbias.h

+#ifndef __DT_TLV320AIC31XX_MICBIAS_H
+#define __DT_TLV320AIC31XX_MICBIAS_H
+
+#define MICBIAS_2_0V		1
+#define MICBIAS_2_5V		2
+#define MICBIAS_AVDDV		3
+
+#endif /* __DT_TLV320AIC31XX_MICBIAS_H */