Change configuration to "tristate", use device_initcall() instead
of builtin_platform_driver(), add module author, description and
license to support building i.MX8QXP clock drivers as module.

Signed-off-by: Anson Huang <anson.hu...@nxp.com>
---
Changes since V3:
        - use device_initcall() instead of builtin_platform_driver();
        - add module author/description;
        - link common scu/lpcg clock driver to i.MX8QXP clock driver, then
          no need to have exports.
---
 drivers/clk/imx/Kconfig            |  6 +++---
 drivers/clk/imx/Makefile           |  9 ++++-----
 drivers/clk/imx/clk-imx8qxp-lpcg.c | 10 +++++++++-
 drivers/clk/imx/clk-imx8qxp.c      | 11 ++++++++++-
 4 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 1867111..8340dfe 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -5,8 +5,8 @@ config MXC_CLK
        depends on ARCH_MXC
 
 config MXC_CLK_SCU
-       bool
-       depends on IMX_SCU
+       tristate "IMX SCU clock"
+       depends on ARCH_MXC && IMX_SCU
 
 config CLK_IMX1
          bool "IMX1 CCM Clock Driver"
@@ -127,7 +127,7 @@ config CLK_IMX8MQ
            Build the driver for i.MX8MQ CCM Clock Driver
 
 config CLK_IMX8QXP
-       bool "IMX8QXP SCU Clock"
+       tristate "IMX8QXP SCU Clock"
        depends on ARCH_MXC && IMX_SCU && ARM64
        select MXC_CLK_SCU
        help
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 17f5d12..79e53f2 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -21,15 +21,14 @@ mxc-clk-objs += clk-pll14xx.o
 mxc-clk-objs += clk-sscg-pll.o
 obj-$(CONFIG_MXC_CLK) += mxc-clk.o
 
-obj-$(CONFIG_MXC_CLK_SCU) += \
-       clk-scu.o \
-       clk-lpcg-scu.o
-
 obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o
 obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn.o
 obj-$(CONFIG_CLK_IMX8MP) += clk-imx8mp.o
 obj-$(CONFIG_CLK_IMX8MQ) += clk-imx8mq.o
-obj-$(CONFIG_CLK_IMX8QXP) += clk-imx8qxp.o clk-imx8qxp-lpcg.o
+
+obj-$(CONFIG_MXC_CLK_SCU) += clk-imx-scu.o clk-imx-lpcg-scu.o
+clk-imx-scu-$(CONFIG_CLK_IMX8QXP) += clk-scu.o clk-imx8qxp.o
+clk-imx-lpcg-scu-$(CONFIG_CLK_IMX8QXP) += clk-lpcg-scu.o clk-imx8qxp-lpcg.o
 
 obj-$(CONFIG_CLK_IMX1)   += clk-imx1.o
 obj-$(CONFIG_CLK_IMX21)  += clk-imx21.o
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c 
b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index 04c8ee3..5b6648e 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -231,4 +231,12 @@ static struct platform_driver imx8qxp_lpcg_clk_driver = {
        .probe = imx8qxp_lpcg_clk_probe,
 };
 
-builtin_platform_driver(imx8qxp_lpcg_clk_driver);
+static int __init imx8qxp_lpcg_clk_init(void)
+{
+       return platform_driver_register(&imx8qxp_lpcg_clk_driver);
+}
+device_initcall(imx8qxp_lpcg_clk_init);
+
+MODULE_AUTHOR("Aisheng Dong <aisheng.d...@nxp.com>");
+MODULE_DESCRIPTION("NXP i.MX8QXP LPCG clock driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index 5e2903e..9bcf0d1 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -151,4 +151,13 @@ static struct platform_driver imx8qxp_clk_driver = {
        },
        .probe = imx8qxp_clk_probe,
 };
-builtin_platform_driver(imx8qxp_clk_driver);
+
+static int __init imx8qxp_clk_init(void)
+{
+       return platform_driver_register(&imx8qxp_clk_driver);
+}
+device_initcall(imx8qxp_clk_init);
+
+MODULE_AUTHOR("Aisheng Dong <aisheng.d...@nxp.com>");
+MODULE_DESCRIPTION("NXP i.MX8QXP clock driver");
+MODULE_LICENSE("GPL v2");
-- 
2.7.4

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