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Message-Id: <480a3ab57b45f4483612db1211dd25d424d90ec5.1635993377.git.qinjian@cqplus1.com>
Date: Thu, 4 Nov 2021 10:57:06 +0800
From: Qin Jian <qinjian@...lus1.com>
To: robh+dt@...nel.org
Cc: mturquette@...libre.com, sboyd@...nel.org, maz@...nel.org,
p.zabel@...gutronix.de, linux@...linux.org.uk, broonie@...nel.org,
arnd@...db.de, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, wells.lu@...plus.com,
Qin Jian <qinjian@...lus1.com>
Subject: [PATCH v4 09/10] ARM: sunplus: Add initial support for Sunplus SP7021 SoC
This patch aims to add an initial support for Sunplus SP7021 SoC.
Signed-off-by: Qin Jian <qinjian@...lus1.com>
---
MAINTAINERS | 1 +
arch/arm/Kconfig | 20 ++++++++++++++++++++
arch/arm/Makefile | 2 ++
arch/arm/mach-sunplus/Kconfig | 20 ++++++++++++++++++++
arch/arm/mach-sunplus/Makefile | 9 +++++++++
arch/arm/mach-sunplus/Makefile.boot | 3 +++
arch/arm/mach-sunplus/sp7021.c | 16 ++++++++++++++++
7 files changed, 71 insertions(+)
create mode 100644 arch/arm/mach-sunplus/Kconfig
create mode 100644 arch/arm/mach-sunplus/Makefile
create mode 100644 arch/arm/mach-sunplus/Makefile.boot
create mode 100644 arch/arm/mach-sunplus/sp7021.c
diff --git a/MAINTAINERS b/MAINTAINERS
index febbd97bf..0ae537a41 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2664,6 +2664,7 @@ 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 59baf6c13..feba287eb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -487,6 +487,24 @@ config ARCH_S3C24XX
(<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
Samsung SMDK2410 development board (and derivatives).
+config ARCH_SUNPLUS
+ bool "Sunplus SoCs"
+ select CLKSRC_OF
+ select COMMON_CLK
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_IRQ_CHIP
+ select GENERIC_IRQ_MULTI_HANDLER
+ select SERIAL_SUNPLUS
+ select SERIAL_SUNPLUS_CONSOLE
+ select USE_OF
+ select RTC_CLASS
+ select RESET_SUNPLUS
+ help
+ Support for Sunplus SoC family: SP7021 and succeed SoCs 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 ARCH_OMAP1
bool "TI OMAP1"
depends on MMU
@@ -689,6 +707,8 @@ 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 847c31e7c..cac95a950 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -152,6 +152,7 @@ textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
textofs-$(CONFIG_ARCH_MESON) := 0x00208000
textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
+textofs-$(CONFIG_ARCH_SUNPLUS) := 0x00308000
# Machine directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
@@ -212,6 +213,7 @@ machine-$(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-$(CONFIG_ARCH_U8500) += ux500
diff --git a/arch/arm/mach-sunplus/Kconfig b/arch/arm/mach-sunplus/Kconfig
new file mode 100644
index 000000000..f7ad76959
--- /dev/null
+++ b/arch/arm/mach-sunplus/Kconfig
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+config SOC_SP7021
+ bool "Sunplus SP7021 SoC support"
+ default y
+ select CPU_V7
+ select ARM_GIC
+ select SUNPLUS_SP7021_INTC
+ select HAVE_SMP
+ select ARM_PSCI
+ select COMMON_CLK_SP7021
+ select PINCTRL
+ select PINCTRL_SPPCTL
+ select OF_OVERLAY
+ select GPIOLIB
+ help
+ Support for Sunplus SP7021 SoC. It is based on ARM 4-core
+ Cotex-A7 with various peripherals (ex: I2C, SPI, SDIO,
+ Ethernet and etc.), FPGA interface, chip-to-chip bus.
+ It is designed for industrial control.
diff --git a/arch/arm/mach-sunplus/Makefile b/arch/arm/mach-sunplus/Makefile
new file mode 100644
index 000000000..c902580a7
--- /dev/null
+++ b/arch/arm/mach-sunplus/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+
+obj-$(CONFIG_SOC_SP7021) += sp7021.o
+
diff --git a/arch/arm/mach-sunplus/Makefile.boot b/arch/arm/mach-sunplus/Makefile.boot
new file mode 100644
index 000000000..401c30840
--- /dev/null
+++ b/arch/arm/mach-sunplus/Makefile.boot
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+zreladdr-$(CONFIG_ARCH_SUNPLUS) := 0x00308000
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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