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    Subject[PATCH v15 08/10] ARM: sunplus: Add initial support for Sunplus SP7021 SoC
    Date
    This patch aims to add an initial support for Sunplus SP7021 SoC.

    Reviewed-by: Arnd Bergmann <arnd@arndb.de>
    Signed-off-by: Qin Jian <qinjian@cqplus1.com>
    ---
    MAINTAINERS | 1 +
    arch/arm/Kconfig | 2 ++
    arch/arm/Makefile | 1 +
    arch/arm/mach-sunplus/Kconfig | 27 +++++++++++++++++++++++++++
    arch/arm/mach-sunplus/Makefile | 9 +++++++++
    arch/arm/mach-sunplus/sp7021.c | 16 ++++++++++++++++
    6 files changed, 56 insertions(+)
    create mode 100644 arch/arm/mach-sunplus/Kconfig
    create mode 100644 arch/arm/mach-sunplus/Makefile
    create mode 100644 arch/arm/mach-sunplus/sp7021.c

    diff --git a/MAINTAINERS b/MAINTAINERS
    index 762beec05..ad52b0a2d 100644
    --- a/MAINTAINERS
    +++ b/MAINTAINERS
    @@ -2747,6 +2747,7 @@ F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml
    F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml
    F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml
    F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml
    +F: arch/arm/mach-sunplus/
    F: drivers/clk/clk-sp7021.c
    F: drivers/irqchip/irq-sp7021-intc.c
    F: drivers/reset/reset-sunplus.c
    diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
    index 4c97cb40e..1ee9a27a3 100644
    --- a/arch/arm/Kconfig
    +++ b/arch/arm/Kconfig
    @@ -693,6 +693,8 @@ source "arch/arm/mach-sti/Kconfig"

    source "arch/arm/mach-stm32/Kconfig"

    +source "arch/arm/mach-sunplus/Kconfig"
    +
    source "arch/arm/mach-sunxi/Kconfig"

    source "arch/arm/mach-tegra/Kconfig"
    diff --git a/arch/arm/Makefile b/arch/arm/Makefile
    index 77172d555..1e19d2f4b 100644
    --- a/arch/arm/Makefile
    +++ b/arch/arm/Makefile
    @@ -216,6 +216,7 @@ machine-$(CONFIG_ARCH_RENESAS) += shmobile
    machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga
    machine-$(CONFIG_ARCH_STI) += sti
    machine-$(CONFIG_ARCH_STM32) += stm32
    +machine-$(CONFIG_ARCH_SUNPLUS) += sunplus
    machine-$(CONFIG_ARCH_SUNXI) += sunxi
    machine-$(CONFIG_ARCH_TEGRA) += tegra
    machine-$(CONFIG_ARCH_U8500) += ux500
    diff --git a/arch/arm/mach-sunplus/Kconfig b/arch/arm/mach-sunplus/Kconfig
    new file mode 100644
    index 000000000..be20425c2
    --- /dev/null
    +++ b/arch/arm/mach-sunplus/Kconfig
    @@ -0,0 +1,27 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +
    +menuconfig ARCH_SUNPLUS
    + bool "Sunplus SoCs"
    + depends on ARCH_MULTI_V7
    + help
    + Support for Sunplus SoC family: SP7021 and succeeding SoC-based systems,
    + such as the Banana Pi BPI-F2S development board (and derivatives).
    + (<http://www.sinovoip.com.cn/ecp_view.asp?id=586>)
    + (<https://tibbo.com/store/plus1.html>)
    +
    +config SOC_SP7021
    + bool "Sunplus SP7021 SoC support"
    + depends on ARCH_SUNPLUS
    + default ARCH_SUNPLUS
    + select HAVE_ARM_ARCH_TIMER
    + select ARM_GIC
    + select ARM_PSCI
    + select PINCTRL
    + select PINCTRL_SPPCTL
    + select SERIAL_SUNPLUS
    + select SERIAL_SUNPLUS_CONSOLE
    + help
    + Support for Sunplus SP7021 SoC. It is based on ARM 4-core
    + Cortex-A7 with various peripherals (ex: I2C, SPI, SDIO,
    + Ethernet and etc.), FPGA interface, chip-to-chip bus.
    + It is designed for industrial control.
    diff --git a/arch/arm/mach-sunplus/Makefile b/arch/arm/mach-sunplus/Makefile
    new file mode 100644
    index 000000000..c902580a7
    --- /dev/null
    +++ b/arch/arm/mach-sunplus/Makefile
    @@ -0,0 +1,9 @@
    +# SPDX-License-Identifier: GPL-2.0
    +#
    +# Makefile for the linux kernel.
    +#
    +
    +# Object file lists.
    +
    +obj-$(CONFIG_SOC_SP7021) += sp7021.o
    +
    diff --git a/arch/arm/mach-sunplus/sp7021.c b/arch/arm/mach-sunplus/sp7021.c
    new file mode 100644
    index 000000000..774d0a5bd
    --- /dev/null
    +++ b/arch/arm/mach-sunplus/sp7021.c
    @@ -0,0 +1,16 @@
    +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +/*
    + * Copyright (C) Sunplus Technology Co., Ltd.
    + * All rights reserved.
    + */
    +#include <linux/kernel.h>
    +#include <asm/mach/arch.h>
    +
    +static const char *sp7021_compat[] __initconst = {
    + "sunplus,sp7021",
    + NULL
    +};
    +
    +DT_MACHINE_START(SP7021_DT, "SP7021")
    + .dt_compat = sp7021_compat,
    +MACHINE_END
    --
    2.33.1
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