mirror of
https://github.com/Ysurac/openmptcprouter.git
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44 lines
1.7 KiB
Diff
44 lines
1.7 KiB
Diff
From fcd9629c05f373771e85920e1c1d0ab252617878 Mon Sep 17 00:00:00 2001
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From: hmz007 <hmz007@gmail.com>
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Date: Tue, 19 Nov 2019 13:53:25 +0800
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Subject: [PATCH] PM / devfreq: rockchip: add devfreq driver for rk3328 dmc
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Signed-off-by: hmz007 <hmz007@gmail.com>
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---
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drivers/devfreq/Kconfig | 18 +-
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drivers/devfreq/Makefile | 1 +
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drivers/devfreq/rk3328_dmc.c | 846 +++++++++++++++++++++++++++++++++++
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3 files changed, 862 insertions(+), 3 deletions(-)
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create mode 100644 drivers/devfreq/rk3328_dmc.c
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--- a/drivers/devfreq/Kconfig
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+++ b/drivers/devfreq/Kconfig
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@@ -130,6 +130,18 @@ config ARM_MEDIATEK_CCI_DEVFREQ
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buck voltages and update a proper CCI frequency. Use the notification
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to get the regulator status.
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+config ARM_RK3328_DMC_DEVFREQ
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+ tristate "ARM RK3328 DMC DEVFREQ Driver"
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+ depends on ARCH_ROCKCHIP
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+ select DEVFREQ_EVENT_ROCKCHIP_DFI
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+ select DEVFREQ_GOV_SIMPLE_ONDEMAND
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+ select PM_DEVFREQ_EVENT
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+ select PM_OPP
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+ help
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+ This adds the DEVFREQ driver for the RK3328 DMC(Dynamic Memory Controller).
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+ It sets the frequency for the memory controller and reads the usage counts
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+ from hardware.
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+
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config ARM_RK3399_DMC_DEVFREQ
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tristate "ARM RK3399 DMC DEVFREQ Driver"
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depends on (ARCH_ROCKCHIP && HAVE_ARM_SMCCC) || \
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--- a/drivers/devfreq/Makefile
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+++ b/drivers/devfreq/Makefile
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@@ -12,6 +12,7 @@ obj-$(CONFIG_ARM_EXYNOS_BUS_DEVFREQ) +=
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obj-$(CONFIG_ARM_IMX_BUS_DEVFREQ) += imx-bus.o
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obj-$(CONFIG_ARM_IMX8M_DDRC_DEVFREQ) += imx8m-ddrc.o
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obj-$(CONFIG_ARM_MEDIATEK_CCI_DEVFREQ) += mtk-cci-devfreq.o
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+obj-$(CONFIG_ARM_RK3328_DMC_DEVFREQ) += rk3328_dmc.o
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obj-$(CONFIG_ARM_RK3399_DMC_DEVFREQ) += rk3399_dmc.o
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obj-$(CONFIG_ARM_SUN8I_A33_MBUS_DEVFREQ) += sun8i-a33-mbus.o
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obj-$(CONFIG_ARM_TEGRA_DEVFREQ) += tegra30-devfreq.o
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