diff mbox series

[v18,08/10] ARM: sunplus: Add initial support for Sunplus SP7021 SoC

Message ID 932bd48e7d17748a308ee487785243b141dafda1.1655194858.git.qinjian@cqplus1.com (mailing list archive)
State Superseded
Headers show
Series Add Sunplus SP7021 SoC Support | expand

Commit Message

Qin Jian June 14, 2022, 8:31 a.m. UTC 
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 |  8 ++++++++
 arch/arm/mach-sunplus/sp7021.c | 16 ++++++++++++++++
 6 files changed, 55 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

Comments

Randy Dunlap June 14, 2022, 2:51 p.m. UTC | #1 
Hi--

On 6/14/22 01:31, Qin Jian wrote:
> 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,

	                                     (e.g.: I2C, SPI, SDIO,

> +	  Ethernet and etc.), FPGA interface,  chip-to-chip bus.

	  Ethernet, etc.), FPGA interface, chip-to-chip bus.

> +	  It is designed for industrial control.
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 5a7d157cb..9d4cf62eb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2814,6 +2814,7 @@  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 2e8091e2d..300929f58 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -695,6 +695,8 @@  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 a2391b8de..ec7ec5a05 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -217,6 +217,7 @@  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..d211de6af
--- /dev/null
+++ b/arch/arm/mach-sunplus/Makefile
@@ -0,0 +1,8 @@ 
+# 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