Add lpuart support using the driver model.
Signed-off-by: Wenbin Song <wenbin.s...@nxp.com>
---
Changes in v4:
- No change
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/fsl-ls1043a-qds-lpuart.dts | 16 ++++++++++
arch/arm/dts/fsl-ls1043a-qds.dtsi | 4 +++
arch/arm/dts/fsl-ls1043a.dtsi | 54 +++++++++++++++++++++++++++++++++
configs/ls1043aqds_lpuart_defconfig | 10 ++++++
include/configs/ls1043aqds.h | 5 +++
6 files changed, 90 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..18adb97
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1043a-qds-lpuart.dts
@@ -0,0 +1,16 @@
+/*
+ * Device Tree file for Freescale Layerscape-1043A family SoC.
+ *
+ * Copyright (C) 2015, Freescale Semiconductor
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+#include "fsl-ls1043a-qds.dtsi"
+
+/ {
+ chosen {
+ stdout-path = &lpuart0;
+ };
+};
diff --git a/arch/arm/dts/fsl-ls1043a-qds.dtsi
b/arch/arm/dts/fsl-ls1043a-qds.dtsi
index 6fa16b8..b9dad72 100644
--- a/arch/arm/dts/fsl-ls1043a-qds.dtsi
+++ b/arch/arm/dts/fsl-ls1043a-qds.dtsi
@@ -121,3 +121,7 @@
&duart1 {
status = "okay";
};
+
+&lpuart0 {
+ status = "okay";
+};
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@2950000 {
+ compatible = "fsl,ls1021a-lpuart";
+ reg = <0x0 0x2950000 0x0 0x1000>;
+ interrupts = <0 48 0x4>;
+ clocks = <&sysclk>;
+ clock-names = "ipg";
+ status = "disabled";
+ };
+
+ lpuart1: serial@2960000 {
+ compatible = "fsl,ls1021a-lpuart";
+ reg = <0x0 0x2960000 0x0 0x1000>;
+ interrupts = <0 49 0x4>;
+ clocks = <&sysclk>;
+ clock-names = "ipg";
+ status = "disabled";
+ };
+
+ lpuart2: serial@2970000 {
+ compatible = "fsl,ls1021a-lpuart";
+ reg = <0x0 0x2970000 0x0 0x1000>;
+ interrupts = <0 50 0x4>;
+ clock-names = "ipg";
+ clocks = <&sysclk>;
+ status = "disabled";
+ };
+
+ lpuart3: serial@2980000 {
+ compatible = "fsl,ls1021a-lpuart";
+ reg = <0x0 0x2980000 0x0 0x1000>;
+ interrupts = <0 51 0x4>;
+ clocks = <&sysclk>;
+ clock-names = "ipg";
+ status = "disabled";
+ };
+
+ lpuart4: serial@2990000 {
+ compatible = "fsl,ls1021a-lpuart";
+ reg = <0x0 0x2990000 0x0 0x1000>;
+ interrupts = <0 52 0x4>;
+ clocks = <&sysclk>;
+ clock-names = "ipg";
+ status = "disabled";
+ };
+
+ lpuart5: serial@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..21d6407
--- /dev/null
+++ b/configs/ls1043aqds_lpuart_defconfig
@@ -0,0 +1,10 @@
+CONFIG_ARM=y
+CONFIG_TARGET_LS1043AQDS=y
+CONFIG_DM_SERIAL=y
+CONFIG_DM_SPI=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-qds-lpuart"
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4,LPUART"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_FSL_LPUART=y
diff --git a/include/configs/ls1043aqds.h b/include/configs/ls1043aqds.h
index 398f1c3..b55ed58 100644
--- a/include/configs/ls1043aqds.h
+++ b/include/configs/ls1043aqds.h
@@ -88,6 +88,11 @@ 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
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