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* Add files via upload * Update 900-arm-boot-add-dts-files.patch * Create rk3399-nanopi4-opp.dtsi * Create 992-rockchip-rk3399-overclock-to-2.2-1.8-GHz-for-NanoPi4.patch * Rename 992-rockchip-rk3399-overclock-to-2.2-1.8-GHz-for-NanoPi4.patch to 901-rockchip-rk3399-overclock-to-2.2-1.8-GHz-for-NanoPi4.patch * Update 901-rockchip-rk3399-overclock-to-2.2-1.8-GHz-for-NanoPi4.patch * Create 902-arm64-dts-rockchip-add-more-cpu-operating-points-for.patch * Add files via upload * Update config-5.18 * Add files via upload * Update rk3328-doornet1.dts * Update rk3328-orangepi-r1-plus-lts.dts
45 lines
1.7 KiB
Diff
45 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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@@ -120,6 +120,18 @@ config ARM_TEGRA_DEVFREQ
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It reads ACTMON counters of memory controllers and adjusts the
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operating frequencies and voltages with OPP support.
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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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@@ -11,6 +11,7 @@ obj-$(CONFIG_DEVFREQ_GOV_PASSIVE) += gov
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obj-$(CONFIG_ARM_EXYNOS_BUS_DEVFREQ) += exynos-bus.o
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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-$(CONFIG_ARM_RK3328_DMC_DEVFREQ) += rk3328_dmc.o
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obj-$(CONFIG_ARM_RK3399_DMC_DEVFREQ) += rk3399_dmc.o
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obj-$(CONFIG_ARM_TEGRA_DEVFREQ) += tegra30-devfreq.o
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