[PATCH v3 2/7] clk/qcom: move ipq4019 driver from mach-ipq40xx

[Caleb Connolly]

This driver is just a stub, but it's necessary to support the upcoming
reset driver changes.

Reviewed-by: Sumit Garg <sumit.garg at linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
---
 arch/arm/Kconfig                                   |  1 +
 arch/arm/mach-ipq40xx/Makefile                     |  1 -
 drivers/clk/qcom/Kconfig                           |  8 +++++
 drivers/clk/qcom/Makefile                          |  1 +
 .../clk/qcom}/clock-ipq4019.c                      | 41 ++--------------------
 drivers/clk/qcom/clock-qcom.c                      |  1 +
 6 files changed, 13 insertions(+), 40 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d812685c9842..8833ee3e8654 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -766,6 +766,7 @@ config ARCH_IPQ40XX
 	select CLK
 	select SMEM
 	select OF_CONTROL
+	select CLK_QCOM_IPQ4019
 	imply CMD_DM
 
 config ARCH_KEYSTONE
diff --git a/arch/arm/mach-ipq40xx/Makefile b/arch/arm/mach-ipq40xx/Makefile
index 08a65b8854d3..b36a935c6f9f 100644
--- a/arch/arm/mach-ipq40xx/Makefile
+++ b/arch/arm/mach-ipq40xx/Makefile
@@ -4,6 +4,5 @@
 #
 # Author: Robert Marko <robert.marko at sartura.hr>
 
-obj-y += clock-ipq4019.o
 obj-y += pinctrl-snapdragon.o
 obj-y += pinctrl-ipq4019.o
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index a884f077d9b9..0df0d1881a49 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -23,6 +23,14 @@ config CLK_QCOM_APQ8096
 	  on the Snapdragon APQ8096 SoC. This driver supports the clocks
 	  and resets exposed by the GCC hardware block.
 
+config CLK_QCOM_IPQ4019
+	bool "Qualcomm IPQ4019 GCC"
+	select CLK_QCOM
+	help
+	  Say Y here to enable support for the Global Clock Controller
+	  on the Snapdragon IPQ4019 SoC. This driver supports the clocks
+	  and resets exposed by the GCC hardware block.
+
 config CLK_QCOM_QCS404
 	bool "Qualcomm QCS404 GCC"
 	select CLK_QCOM
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 44d55583596d..cb179fdac583 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -6,4 +6,5 @@ obj-y += clock-qcom.o
 obj-$(CONFIG_CLK_QCOM_SDM845) += clock-sdm845.o
 obj-$(CONFIG_CLK_QCOM_APQ8016) += clock-apq8016.o
 obj-$(CONFIG_CLK_QCOM_APQ8096) += clock-apq8096.o
+obj-$(CONFIG_CLK_QCOM_IPQ4019) += clock-ipq4019.o
 obj-$(CONFIG_CLK_QCOM_QCS404) += clock-qcs404.o
diff --git a/arch/arm/mach-ipq40xx/clock-ipq4019.c b/drivers/clk/qcom/clock-ipq4019.c
similarity index 56%
rename from arch/arm/mach-ipq40xx/clock-ipq4019.c
rename to drivers/clk/qcom/clock-ipq4019.c
index c1d5c4ecdd81..04c99964df15 100644
--- a/arch/arm/mach-ipq40xx/clock-ipq4019.c
+++ b/drivers/clk/qcom/clock-ipq4019.c
@@ -12,12 +12,9 @@
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
-
 #include <dt-bindings/clock/qcom,ipq4019-gcc.h>
 
-struct msm_clk_priv {
-	phys_addr_t base;
-};
+#include "clock-qcom.h"
 
 ulong msm_set_rate(struct clk *clk, ulong rate)
 {
@@ -30,23 +27,7 @@ ulong msm_set_rate(struct clk *clk, ulong rate)
 	}
 }
 
-static int msm_clk_probe(struct udevice *dev)
-{
-	struct msm_clk_priv *priv = dev_get_priv(dev);
-
-	priv->base = dev_read_addr(dev);
-	if (priv->base == FDT_ADDR_T_NONE)
-		return -EINVAL;
-
-	return 0;
-}
-
-static ulong msm_clk_set_rate(struct clk *clk, ulong rate)
-{
-	return msm_set_rate(clk, rate);
-}
-
-static int msm_enable(struct clk *clk)
+int msm_enable(struct clk *clk)
 {
 	switch (clk->id) {
 	case GCC_BLSP1_QUP1_SPI_APPS_CLK: /*SPI1*/
@@ -68,21 +49,3 @@ static int msm_enable(struct clk *clk)
 	}
 }
 
-static struct clk_ops msm_clk_ops = {
-	.set_rate = msm_clk_set_rate,
-	.enable = msm_enable,
-};
-
-static const struct udevice_id msm_clk_ids[] = {
-	{ .compatible = "qcom,gcc-ipq4019" },
-	{ }
-};
-
-U_BOOT_DRIVER(clk_msm) = {
-	.name		= "clk_msm",
-	.id		= UCLASS_CLK,
-	.of_match	= msm_clk_ids,
-	.ops		= &msm_clk_ops,
-	.priv_auto	= sizeof(struct msm_clk_priv),
-	.probe		= msm_clk_probe,
-};
diff --git a/drivers/clk/qcom/clock-qcom.c b/drivers/clk/qcom/clock-qcom.c
index 5667abeb89a4..5914616fba5d 100644
--- a/drivers/clk/qcom/clock-qcom.c
+++ b/drivers/clk/qcom/clock-qcom.c
@@ -166,6 +166,7 @@ static const struct udevice_id msm_clk_ids[] = {
 	{ .compatible = "qcom,gcc-apq8016" },
 	{ .compatible = "qcom,gcc-msm8996" },
 	{ .compatible = "qcom,gcc-apq8096" },
+	{ .compatible = "qcom,gcc-ipq4019" },
 	{ .compatible = "qcom,gcc-sdm845" },
 	{ .compatible = "qcom,gcc-qcs404" },
 	{ }

-- 
2.42.0