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[v5,1/3] cpufreq: mediatek: Add support of cpufreq to MT2701/MT7623 SoC

Message ID feabcfd53899954198c6620e9d9b68f4a3c55201.1500355954.git.sean.wang@mediatek.com (mailing list archive)
State Mainlined
Delegated to: Rafael Wysocki
Headers show

Commit Message

Sean Wang July 18, 2017, 6:01 a.m. UTC 
From: Sean Wang <sean.wang@mediatek.com>

MT2701/MT7623 is a 32-bit ARMv7 based quad-core (4 * Cortex-A7) with
single cluster and this hardware is also compatible with the existing
driver through enabling CPU frequency feature with operating-points-v2
bindings. Also, this driver actually supports all MediaTek SoCs, the
Kconfig menu entry and file name itself should be updated with more
generic name to drop "MT8173"

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
---
 drivers/cpufreq/Kconfig.arm                              | 7 +++----
 drivers/cpufreq/Makefile                                 | 2 +-
 drivers/cpufreq/{mt8173-cpufreq.c => mediatek-cpufreq.c} | 2 ++
 3 files changed, 6 insertions(+), 5 deletions(-)
 rename drivers/cpufreq/{mt8173-cpufreq.c => mediatek-cpufreq.c} (99%)
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Patch

diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 74ed7e9..24ef446 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -87,14 +87,13 @@  config ARM_KIRKWOOD_CPUFREQ
 	  This adds the CPUFreq driver for Marvell Kirkwood
 	  SoCs.
 
-config ARM_MT8173_CPUFREQ
-	tristate "Mediatek MT8173 CPUFreq support"
+config ARM_MEDIATEK_CPUFREQ
+	tristate "CPU Frequency scaling support for MediaTek SoCs"
 	depends on ARCH_MEDIATEK && REGULATOR
-	depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
 	depends on !CPU_THERMAL || THERMAL
 	select PM_OPP
 	help
-	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.
+	  This adds the CPUFreq driver support for MediaTek SoCs.
 
 config ARM_OMAP2PLUS_CPUFREQ
 	bool "TI OMAP2+"
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index b7e78f0..ea043aa 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -58,7 +58,7 @@  obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ)	+= exynos5440-cpufreq.o
 obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ)	+= highbank-cpufreq.o
 obj-$(CONFIG_ARM_IMX6Q_CPUFREQ)		+= imx6q-cpufreq.o
 obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ)	+= kirkwood-cpufreq.o
-obj-$(CONFIG_ARM_MT8173_CPUFREQ)	+= mt8173-cpufreq.o
+obj-$(CONFIG_ARM_MEDIATEK_CPUFREQ)	+= mediatek-cpufreq.o
 obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ)	+= omap-cpufreq.o
 obj-$(CONFIG_ARM_PXA2xx_CPUFREQ)	+= pxa2xx-cpufreq.o
 obj-$(CONFIG_PXA3xx)			+= pxa3xx-cpufreq.o
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
similarity index 99%
rename from drivers/cpufreq/mt8173-cpufreq.c
rename to drivers/cpufreq/mediatek-cpufreq.c
index fd1886f..481ec77 100644
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -575,6 +575,8 @@  static struct platform_driver mt8173_cpufreq_platdrv = {
 
 /* List of machines supported by this driver */
 static const struct of_device_id mt8173_cpufreq_machines[] __initconst = {
+	{ .compatible = "mediatek,mt2701", },
+	{ .compatible = "mediatek,mt7623", },
 	{ .compatible = "mediatek,mt817x", },
 	{ .compatible = "mediatek,mt8173", },
 	{ .compatible = "mediatek,mt8176", },