Add cpufreq driver for ipq4019 SoC. This driver simply instantiates
cpufreq-dt.
Signed-off-by: Matthew McClintock <mmcclint@xxxxxxxxxxxxxx>
---
drivers/cpufreq/Kconfig.arm | 9 +++++++++
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/ipq4019-cpufreq.c | 35 +++++++++++++++++++++++++++++++++++
3 files changed, 45 insertions(+)
create mode 100644 drivers/cpufreq/ipq4019-cpufreq.c
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 14b1f93..187803d 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -69,6 +69,15 @@ config ARM_IMX6Q_CPUFREQ
If in doubt, say N.
+config ARM_IPQ4019_CPUFREQ
+ tristate "Qualcomm IPQ4019 cpufreq support"
+ depends on ARCH_QCOM && CPUFREQ_DT
+ select PM_OPP
+ help
+ This adds cpufreq driver support for Qualcomm IPQ4019 series SoCs.
+
+ If in doubt, say N.
+
config ARM_INTEGRATOR
tristate "CPUfreq driver for ARM Integrator CPUs"
depends on ARCH_INTEGRATOR
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 9e63fb1..8ed4cdb 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ) += exynos5440-cpufreq.o
obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o
obj-$(CONFIG_ARM_HISI_ACPU_CPUFREQ) += hisi-acpu-cpufreq.o
obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o
+obj-$(CONFIG_ARM_IPQ4019_CPUFREQ) += ipq4019-cpufreq.o
obj-$(CONFIG_ARM_INTEGRATOR) += integrator-cpufreq.o
obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o
obj-$(CONFIG_ARM_MT8173_CPUFREQ) += mt8173-cpufreq.o
diff --git a/drivers/cpufreq/ipq4019-cpufreq.c b/drivers/cpufreq/ipq4019-cpufreq.c
new file mode 100644
index 0000000..6f7bba3
--- /dev/null
+++ b/drivers/cpufreq/ipq4019-cpufreq.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+static int __init ipq4019_cpufreq_driver_init(void)
+{
+ struct platform_device *pdev;
+
+ if (!of_machine_is_compatible("qcom,ipq4019"))
+ return -ENODEV;
+
+ pdev = platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
+ return PTR_ERR_OR_ZERO(pdev);
+}
+module_init(ipq4019_cpufreq_driver_init);
+
+MODULE_AUTHOR("Matthew McClintock <mmcclint@xxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("ipq4019 cpufreq driver");
+MODULE_LICENSE("GPL");
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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