Add GPIO and network (DHCP. BOOTP, TFTP protocol) support.

Signed-off-by: Purna Chandra Mandal purna.mandal@microchip.com ---

arch/mips/dts/pic32mzda.dtsi | 92 ++++++++++++++++++++++++++++++++++++++++++ arch/mips/dts/pic32mzda_sk.dts | 5 +++ configs/pic32mzdask_defconfig | 9 +++++ include/configs/pic32mzdask.h | 22 ++++++++++ 4 files changed, 128 insertions(+)

diff --git a/arch/mips/dts/pic32mzda.dtsi b/arch/mips/dts/pic32mzda.dtsi index 1333573..cf76825 100644 --- a/arch/mips/dts/pic32mzda.dtsi +++ b/arch/mips/dts/pic32mzda.dtsi @@ -5,12 +5,26 @@ * SPDX-License-Identifier: GPL-2.0+ */

+#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/irq.h> #include "skeleton.dtsi"

/ { compatible = "microchip,pic32mzda", "microchip,pic32mz";

+ aliases { + gpio0 = &gpioA; + gpio1 = &gpioB; + gpio2 = &gpioC; + gpio3 = &gpioD; + gpio4 = &gpioE; + gpio5 = &gpioF; + gpio6 = &gpioG; + gpio7 = &gpioH; + gpio8 = &gpioJ; + gpio9 = &gpioK; + }; + cpus { cpu@0 { compatible = "mips,mips14kc"; @@ -56,4 +70,82 @@ <0xbf801500 0x200>; /* out */ status = "disabled"; }; + + gpioA: gpio0@1f860000 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860000 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioB: gpio1@1f860100 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860100 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioC: gpio2@1f860200 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860200 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioD: gpio3@1f860300 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860300 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioE: gpio4@1f860400 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860400 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioF: gpio5@1f860500 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860500 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioG: gpio6@1f860600 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860600 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioH: gpio7@1f860700 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860700 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioJ: gpio8@1f860800 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860800 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpioK: gpio9@1f860900 { + compatible = "microchip,gpio-bank"; + reg = <0xbf860900 0x24>; + gpio-controller; + #gpio-cells = <2>; + }; + + ethernet: ethernet@1f882000 { + compatible = "microchip,pic32mzda-eth"; + reg = <0xbf882000 0x1000>; + interrupts = <153 IRQ_TYPE_LEVEL_HIGH>; + phy-mode = "rmii"; + status = "disabled"; + }; }; diff --git a/arch/mips/dts/pic32mzda_sk.dts b/arch/mips/dts/pic32mzda_sk.dts index 99e7f64..38ef9c0 100644 --- a/arch/mips/dts/pic32mzda_sk.dts +++ b/arch/mips/dts/pic32mzda_sk.dts @@ -36,3 +36,8 @@ status = "okay"; u-boot,dm-pre-reloc; }; + +&ethernet { + reset-gpios = <&gpioJ 15 0>; + status = "okay"; +}; diff --git a/configs/pic32mzdask_defconfig b/configs/pic32mzdask_defconfig index df06f8b..d74d169 100644 --- a/configs/pic32mzdask_defconfig +++ b/configs/pic32mzdask_defconfig @@ -7,6 +7,7 @@ CONFIG_SYS_LITTLE_ENDIAN=y CONFIG_HUSH_PARSER=y CONFIG_SYS_HUSH_PARSER=y CONFIG_SYS_PROMPT="dask # " +CONFIG_CMD_NET=y CONFIG_CMD_TIME=y # CONFIG_CMD_IMLS is not set CONFIG_SUPPORT_OF_CONTROL=y @@ -20,3 +21,11 @@ CONFIG_CLK=y CONFIG_PINCTRL=y # CONFIG_PINCTRL_FULL is not set CONFIG_PIC32_PINCTRL=y +CONFIG_DM_GPIO=y +CONFIG_CMD_GPIO=y +CONFIG_PIC32_GPIO=y +CONFIG_NET=y +CONFIG_DM_ETH=y +CONFIG_PHYLIB=y +CONFIG_NETDEVICES=y +CONFIG_PIC32_ETH=y diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h index 89925f6..8e5c31b 100644 --- a/include/configs/pic32mzdask.h +++ b/include/configs/pic32mzdask.h @@ -100,6 +100,28 @@ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) #define CONFIG_CMDLINE_EDITING 1

+/*----------------------------------------------------------------------- + * Networking Configuration + */ +#define CONFIG_MII +#define CONFIG_PHY_SMSC + +#define CONFIG_CMD_MII +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#define CONFIG_PHY_ADDR 0 /* LAN87XX */ +#define CONFIG_ARP_TIMEOUT 500 /* millisec */ +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_SYS_RX_ETH_BUFFER 8 + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME + /* * Handover flattened device tree (dtb file) to Linux kernel */