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armv8/ls1043aqds: Add lpuart support 

Add lpuart support using the driver model.

Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Wenbin Song 2016-01-21 17:14:55 +08:00 committed by York Sun
parent 8e728aa915
commit 2970e14f65
6 changed files with 90 additions and 0 deletions
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1
arch/arm/dts/Makefile
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@ -98,6 +98,7 @@ 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) += \

16
arch/arm/dts/fsl-ls1043a-qds-lpuart.dts Normal file
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@ -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;
};
};

4
arch/arm/dts/fsl-ls1043a-qds.dtsi
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@ -121,3 +121,7 @@
&duart1 {
status = "okay";
};
&lpuart0 {
status = "okay";
};

54
arch/arm/dts/fsl-ls1043a.dtsi
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@ -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";
};
};
};

10
configs/ls1043aqds_lpuart_defconfig Normal file
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@ -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

5
include/configs/ls1043aqds.h
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@ -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