From d04c79d2b238e857c1b1f45a78d173152792b371 Mon Sep 17 00:00:00 2001
From: Anup Patel <Anup.Patel@wdc.com>
Date: Tue, 25 Jun 2019 06:31:02 +0000
Subject: [PATCH] clk: sifive: Factor-out PLL library as separate module

To match SiFive clock driver with latest Linux, we factor-out PLL
library as separate module under drivers/clk/analogbits.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
 drivers/clk/Kconfig                                           | 1 +
 drivers/clk/Makefile                                          | 1 +
 drivers/clk/analogbits/Kconfig                                | 4 ++++
 drivers/clk/analogbits/Makefile                               | 3 +++
 drivers/clk/{sifive => analogbits}/wrpll-cln28hpc.c           | 3 +--
 drivers/clk/sifive/Kconfig                                    | 3 ---
 drivers/clk/sifive/Makefile                                   | 2 --
 drivers/clk/sifive/fu540-prci.c                               | 3 +--
 .../sifive => include/linux/clk}/analogbits-wrpll-cln28hpc.h  | 0
 9 files changed, 11 insertions(+), 9 deletions(-)
 create mode 100644 drivers/clk/analogbits/Kconfig
 create mode 100644 drivers/clk/analogbits/Makefile
 rename drivers/clk/{sifive => analogbits}/wrpll-cln28hpc.c (99%)
 rename {drivers/clk/sifive => include/linux/clk}/analogbits-wrpll-cln28hpc.h (100%)

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 96969b9e30..7b81eacf50 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -98,6 +98,7 @@ config CLK_STM32MP1
 	  Enable the STM32 clock (RCC) driver. Enable support for
 	  manipulating STM32MP1's on-SoC clocks.
 
+source "drivers/clk/analogbits/Kconfig"
 source "drivers/clk/at91/Kconfig"
 source "drivers/clk/exynos/Kconfig"
 source "drivers/clk/imx/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 719b9b8e02..f0ced49e5a 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_$(SPL_TPL_)CLK) += clk-uclass.o
 obj-$(CONFIG_$(SPL_TPL_)CLK) += clk_fixed_rate.o
 obj-$(CONFIG_$(SPL_TPL_)CLK) += clk_fixed_factor.o
 
+obj-y += analogbits/
 obj-y += imx/
 obj-y += tegra/
 obj-$(CONFIG_ARCH_ASPEED) += aspeed/
diff --git a/drivers/clk/analogbits/Kconfig b/drivers/clk/analogbits/Kconfig
new file mode 100644
index 0000000000..1d25e6f124
--- /dev/null
+++ b/drivers/clk/analogbits/Kconfig
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config CLK_ANALOGBITS_WRPLL_CLN28HPC
+	bool
diff --git a/drivers/clk/analogbits/Makefile b/drivers/clk/analogbits/Makefile
new file mode 100644
index 0000000000..ec1bb4092b
--- /dev/null
+++ b/drivers/clk/analogbits/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-$(CONFIG_CLK_ANALOGBITS_WRPLL_CLN28HPC)	+= wrpll-cln28hpc.o
diff --git a/drivers/clk/sifive/wrpll-cln28hpc.c b/drivers/clk/analogbits/wrpll-cln28hpc.c
similarity index 99%
rename from drivers/clk/sifive/wrpll-cln28hpc.c
rename to drivers/clk/analogbits/wrpll-cln28hpc.c
index d377849693..68eb1148b9 100644
--- a/drivers/clk/sifive/wrpll-cln28hpc.c
+++ b/drivers/clk/analogbits/wrpll-cln28hpc.c
@@ -35,8 +35,7 @@
 #include <linux/err.h>
 #include <linux/log2.h>
 #include <linux/math64.h>
-
-#include "analogbits-wrpll-cln28hpc.h"
+#include <linux/clk/analogbits-wrpll-cln28hpc.h>
 
 /* MIN_INPUT_FREQ: minimum input clock frequency, in Hz (Fref_min) */
 #define MIN_INPUT_FREQ			7000000
diff --git a/drivers/clk/sifive/Kconfig b/drivers/clk/sifive/Kconfig
index 644881b948..d90be1943f 100644
--- a/drivers/clk/sifive/Kconfig
+++ b/drivers/clk/sifive/Kconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 
-config CLK_ANALOGBITS_WRPLL_CLN28HPC
-	bool
-
 config CLK_SIFIVE
 	bool "SiFive SoC driver support"
 	depends on CLK
diff --git a/drivers/clk/sifive/Makefile b/drivers/clk/sifive/Makefile
index f8263e79b7..0813360ca7 100644
--- a/drivers/clk/sifive/Makefile
+++ b/drivers/clk/sifive/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0+
 
-obj-$(CONFIG_CLK_ANALOGBITS_WRPLL_CLN28HPC)	+= wrpll-cln28hpc.o
-
 obj-$(CONFIG_CLK_SIFIVE_FU540_PRCI)		+= fu540-prci.o
 
 obj-$(CONFIG_CLK_SIFIVE_GEMGXL_MGMT)		+= gemgxl-mgmt.o
diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c
index 2d47ebc6b1..56084db2e6 100644
--- a/drivers/clk/sifive/fu540-prci.c
+++ b/drivers/clk/sifive/fu540-prci.c
@@ -37,10 +37,9 @@
 #include <errno.h>
 
 #include <linux/math64.h>
+#include <linux/clk/analogbits-wrpll-cln28hpc.h>
 #include <dt-bindings/clk/sifive-fu540-prci.h>
 
-#include "analogbits-wrpll-cln28hpc.h"
-
 /*
  * EXPECTED_CLK_PARENT_COUNT: how many parent clocks this driver expects:
  *     hfclk and rtcclk
diff --git a/drivers/clk/sifive/analogbits-wrpll-cln28hpc.h b/include/linux/clk/analogbits-wrpll-cln28hpc.h
similarity index 100%
rename from drivers/clk/sifive/analogbits-wrpll-cln28hpc.h
rename to include/linux/clk/analogbits-wrpll-cln28hpc.h
-- 
2.25.1