linux-kernel - [PATCH v4 7/7] mips: pistachio: Allow to enable the external timer based clocksource

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Message-ID: <1438005755-27051-3-git-send-email-govindraj.raja@imgtec.com>
Date:	Mon, 27 Jul 2015 15:02:35 +0100
From:	Govindraj Raja <govindraj.raja@...tec.com>
To:	<linux-kernel@...r.kernel.org>, <linux-mips@...ux-mips.org>,
	"Daniel Lezcano" <daniel.lezcano@...aro.org>,
	<devicetree@...r.kernel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <James.Hartley@...tec.com>,
	"Govindraj Raja" <Govindraj.Raja@...tec.com>,
	Damien Horsley <Damien.Horsley@...tec.com>,
	James Hogan <James.Hogan@...tec.com>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Ezequiel Garcia <ezequiel.garcia@...tec.com>
Subject: [PATCH v4 7/7] mips: pistachio: Allow to enable the external timer based clocksource

From: Ezequiel Garcia <ezequiel.garcia@...tec.com>

This commit introduces a new config, so the user can choose to enable
the General Purpose Timer based clocksource. This option is required
to have CPUFreq support.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...tec.com>
---
 arch/mips/Kconfig           |  1 +
 arch/mips/pistachio/Kconfig | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 arch/mips/pistachio/Kconfig

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cee5f93..c0cc9e4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -948,6 +948,7 @@ source "arch/mips/jazz/Kconfig"
 source "arch/mips/jz4740/Kconfig"
 source "arch/mips/lantiq/Kconfig"
 source "arch/mips/lasat/Kconfig"
+source "arch/mips/pistachio/Kconfig"
 source "arch/mips/pmcs-msp71xx/Kconfig"
 source "arch/mips/ralink/Kconfig"
 source "arch/mips/sgi-ip27/Kconfig"
diff --git a/arch/mips/pistachio/Kconfig b/arch/mips/pistachio/Kconfig
new file mode 100644
index 0000000..97731ea
--- /dev/null
+++ b/arch/mips/pistachio/Kconfig
@@ -0,0 +1,13 @@
+config PISTACHIO_GPTIMER_CLKSRC
+	bool "Enable General Purpose Timer based clocksource"
+	depends on MACH_PISTACHIO
+	select CLKSRC_PISTACHIO
+	select MIPS_EXTERNAL_TIMER
+	help
+	  This option enables a clocksource driver based on a Pistachio
+	  SoC General Purpose external timer.
+
+	  If you want to enable the CPUFreq, you need to enable
+	  this option.
+
+	  If you don't want to enable CPUFreq, you can leave this disabled.
-- 
1.9.1

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