@@ -3,3 +3,5 @@
config MXC_CLK
bool
depends on ARCH_MXC
+
+source drivers/clk/imx/scu/Kconfig
@@ -13,6 +13,8 @@ obj-$(CONFIG_MXC_CLK) += \
clk-pllv3.o \
clk-pfd.o
+obj-y += scu/
+
obj-$(CONFIG_SOC_IMX1) += clk-imx1.o
obj-$(CONFIG_SOC_IMX21) += clk-imx21.o
obj-$(CONFIG_SOC_IMX25) += clk-imx25.o
new file mode 100644
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+# SCU based common clock support for NXP i.MX SoC family.
+config MXC_CLK_SCU
+ bool
+ depends on ARCH_MXC && ARM64
new file mode 100644
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_MXC_CLK_SCU) += \
+ clk-scu.o
new file mode 100644
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ * Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <linux/errno.h>
+#include "clk-scu.h"
+
+DEFINE_SPINLOCK(imx_ccm_lock);
+struct imx_sc_ipc *ccm_ipc_handle;
+
+int imx_clk_scu_init(void)
+{
+ return imx_scu_get_handle(&ccm_ipc_handle);
+}
new file mode 100644
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ */
+
+#ifndef __IMX_CLK_SCU_H
+#define __IMX_CLK_SCU_H
+
+#include <linux/spinlock.h>
+#include <soc/imx/scu/sci.h>
+
+extern spinlock_t imx_ccm_lock;
+extern struct imx_sc_ipc *ccm_ipc_handle;
+
+int imx_clk_scu_init(void);
+
+#endif
Add scu clock common part which will be used by client clock drivers. Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> --- ChangeLog: v2->v3: * no changes v1->v2: * update function call name --- drivers/clk/imx/Kconfig | 2 ++ drivers/clk/imx/Makefile | 2 ++ drivers/clk/imx/scu/Kconfig | 5 +++++ drivers/clk/imx/scu/Makefile | 4 ++++ drivers/clk/imx/scu/clk-scu.c | 17 +++++++++++++++++ drivers/clk/imx/scu/clk-scu.h | 18 ++++++++++++++++++ 6 files changed, 48 insertions(+) create mode 100644 drivers/clk/imx/scu/Kconfig create mode 100644 drivers/clk/imx/scu/Makefile create mode 100644 drivers/clk/imx/scu/clk-scu.c create mode 100644 drivers/clk/imx/scu/clk-scu.h