[U-Boot] [PATCH v2 3/3] armv8/ls1043aqds: Add lpuart support

[Wenbin Song]

Add lpuart support using the driver model.

Signed-off-by: Wenbin Song <wenbin.song at nxp.com>
---
 arch/arm/dts/Makefile                   |  1 +
 arch/arm/dts/fsl-ls1043a-qds-lpuart.dts | 20 ++++++++++++
 arch/arm/dts/fsl-ls1043a.dtsi           | 54 +++++++++++++++++++++++++++++++++
 configs/ls1043aqds_lpuart_defconfig     | 10 ++++++
 include/configs/ls1043aqds.h            |  7 +++++
 5 files changed, 92 insertions(+)
 create mode 100644 arch/arm/dts/fsl-ls1043a-qds-lpuart.dts
 create mode 100644 configs/ls1043aqds_lpuart_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 302456c..a51275c 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -97,6 +97,7 @@ dtb-$(CONFIG_LS102XA) += ls1021a-qds.dtb \
 dtb-$(CONFIG_FSL_LSCH3) += fsl-ls2080a-qds.dtb \
 	fsl-ls2080a-rdb.dtb
 dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \
+	fsl-ls1043a-qds-lpuart.dtb \
 	fsl-ls1043a-rdb.dtb
 
 dtb-$(CONFIG_MACH_SUN4I) += \
diff --git a/arch/arm/dts/fsl-ls1043a-qds-lpuart.dts b/arch/arm/dts/fsl-ls1043a-qds-lpuart.dts
new file mode 100644
index 0000000..24168ad
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1043a-qds-lpuart.dts
@@ -0,0 +1,20 @@
+/*
+ * Device Tree Include file for Freescale Layerscape-1043A family SoC.
+ *
+ * Copyright (C) 2015, Freescale Semiconductor
+ *
+ * Wenbin Song <wenbin.song at nxp.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+#include "fsl-ls1043a-qds.dtsi"
+
+/ {
+       chosen {
+               stdout-path = &lpuart0;
+       };
+};
diff --git a/arch/arm/dts/fsl-ls1043a.dtsi b/arch/arm/dts/fsl-ls1043a.dtsi
index 85ea81e..12ea0ab 100644
--- a/arch/arm/dts/fsl-ls1043a.dtsi
+++ b/arch/arm/dts/fsl-ls1043a.dtsi
@@ -182,5 +182,59 @@
 			interrupts = <0 55 0x4>;
 			clocks = <&clockgen 4 0>;
 		};
+
+		lpuart0: serial at 2950000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x2950000 0x0 0x1000>;
+			interrupts = <0 48 0x4>;
+			clocks = <&sysclk>;
+			clock-names = "ipg";
+			status = "disabled";
+		};
+
+		lpuart1: serial at 2960000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x2960000 0x0 0x1000>;
+			interrupts = <0 49 0x4>;
+			clocks = <&sysclk>;
+			clock-names = "ipg";
+			status = "disabled";
+		};
+
+		lpuart2: serial at 2970000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x2970000 0x0 0x1000>;
+			interrupts = <0 50 0x4>;
+			clock-names = "ipg";
+			clocks = <&sysclk>;
+			status = "disabled";
+		};
+
+		lpuart3: serial at 2980000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x2980000 0x0 0x1000>;
+			interrupts = <0 51 0x4>;
+			clocks = <&sysclk>;
+			clock-names = "ipg";
+			status = "disabled";
+		};
+
+		lpuart4: serial at 2990000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x2990000 0x0 0x1000>;
+			interrupts = <0 52 0x4>;
+			clocks = <&sysclk>;
+			clock-names = "ipg";
+			status = "disabled";
+		};
+
+		lpuart5: serial at 29a0000 {
+			compatible = "fsl,ls1021a-lpuart";
+			reg = <0x0 0x29a0000 0x0 0x1000>;
+			interrupts = <0 53 0x4>;
+			clocks = <&sysclk>;
+			clock-names = "ipg";
+			status = "disabled";
+		};
 	};
 };
diff --git a/configs/ls1043aqds_lpuart_defconfig b/configs/ls1043aqds_lpuart_defconfig
new file mode 100644
index 0000000..2d6bb7b
--- /dev/null
+++ b/configs/ls1043aqds_lpuart_defconfig
@@ -0,0 +1,10 @@
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4,LPUART"
+CONFIG_ARM=y
+CONFIG_TARGET_LS1043AQDS=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-lpuart"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y
+CONFIG_FSL_LPUART=y
+CONFIG_DM_SERIAL=y
diff --git a/include/configs/ls1043aqds.h b/include/configs/ls1043aqds.h
index 398f1c3..438476f 100644
--- a/include/configs/ls1043aqds.h
+++ b/include/configs/ls1043aqds.h
@@ -88,6 +88,13 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_SYS_FSL_PBL_RCW board/freescale/ls1043aqds/ls1043aqds_rcw_sd_ifc.cfg
 #endif
 
+/*
+ * LPUART
+ */
+#ifdef CONFIG_LPUART
+#define CONFIG_LPUART_32B_REG
+#endif
+
 /* SATA */
 #define CONFIG_LIBATA
 #define CONFIG_SCSI_AHCI
-- 
2.1.0.27.g96db324