fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
---
Changes in v2:
- update patch following Enric suggest
Changes in v3:
- use variable fw_training instead sw_training_success
- base on DP SPCE, if training fail use lower link rate to retry
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
Reviewed-by: Rob Herring
---
Changes in v2:
- None
Changes in v3:
- modify property description and add this property to Example
Changes in v4:
- None
Changes in v5:
- None
we may use rockchip_phy_typec struct in other driver, so split
it to separate header.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- None
Changes in v4:
- None
Changes in v5:
- None
Changes in v6:
- new patch here
Changes in v7:
- move new element to next patch
drivers/phy
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
Reviewed-by: Enric Balletbo
---
Changes in v2:
- update patch
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes
some monitors care about the parity bit in the sub-frame of I2S,
but the cdn-dp always set this bit to "1", so these monitors
do not have sound output if use i2s, use spdif can fix this issue.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
sound/soc/rockchip/rk3399_gru_so
We use jitter bypass mode for spdif, so do not need to set jitter mode
related bit in SPDIF_CTRL_ADDR register. Also, we need to enable
SPDIF_ENABLE bit.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
drivers/gpu/drm/rockchip/cdn-dp-reg.c | 16 +---
1 file changed, 1
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes
fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
---
Changes in v2:
- update patch following Enric suggest
Changes in v3:
- use variable fw_training instead sw_training_success
- base on DP SPCE, if training fail use lower link rate to retry
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- modify property description and add this property to Example
Changes in v4:
- None
Changes in v5:
- None
Changes in v6:
- change
we may use rockchip_phy_typec struct in other driver, so split
it to separate header.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- None
Changes in v4:
- None
Changes in v5:
- None
Changes in v6:
- new patch here
drivers/phy/rockchip/phy-rockchip-typec.c | 47
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
Reviewed-by: Enric Balletbo
---
Changes in v2:
- update patch
fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes in v3:
- use variable fw_training instead sw_training_success
- base on DP SPCE, if training fail use lower link rate to retry training
Changes in v4
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- modify property description and add this property to Example
Change in v4:
- None
Change in v5:
- None
.../devicetree/bindings/phy/phy
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
Reviewed-by: Enric Balletbo
---
Changes in v2:
- update patch
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
Reviewed-by: Enric Balletbo
---
Changes in v2:
- update patch
fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes in v3:
- use variable fw_training instead sw_training_success
- base on DP SPCE, if training fail use lower link rate to retry training
Changes in v4
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- modify property description and add this property to Example
Change in v4:
- None
.../devicetree/bindings/phy/phy-rockchip-typec.txt
a fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes in v3:
- use variable fw_training instead sw_training_success
- base on DP SPCE, if training fail use lower link rate to retry training
drivers
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
Changes
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
Reviewed-by: Sean Paul
Reviewed-by: Enric Balletbo
---
Changes in v2:
- update patch
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Changes in v2:
- rebase
Changes in v3:
- modify property description and add this property to example
.../devicetree/bindings/phy/phy-rockchip-typec.txt | 29
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Changes in v2:
- rebase
Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation
a fallback if sw training fails.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
drivers/gpu/drm/rockchip/Makefile | 3 +-
drivers/gpu/drm/rockchip/cdn-dp-core.c | 24 +-
drivers/gpu/drm/rockchip/cdn-dp
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
drivers/gpu/drm/rockchip/cdn-dp
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
Changes in v2:
- update patch following Enric suggest
drivers
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang
---
Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/phy/phy
From: Chris Zhong
We may support training outside firmware, so we need support
dpcd read/write to get the message or do some setting with
display.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 55
drivers/gpu/drm
the phy config values used to fix in dp firmware, but some boards
need change these values to do training and get the better eye diagram
result. So support that in phy driver.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
drivers/phy/rockchip/phy-rockchip-typec.c | 286
.
Signed-off-by: Chris Zhong
Signed-off-by: Lin Huang
---
drivers/gpu/drm/rockchip/Makefile | 3 +-
drivers/gpu/drm/rockchip/cdn-dp-core.c | 23 +-
drivers/gpu/drm/rockchip/cdn-dp-core.h | 2 +
drivers/gpu/drm/rockchip/cdn-dp-link-training.c | 398
From: huang lin
The Innolux P097PFG panel is 9.7" panel with 1536X2048
resolution, it reuse P079ZCA panel driver, so improve
p079ZCA dt-binding to support P097PFG.
Change-Id: I8704914898fe53b734d31fbe646df8aa5fd8b30d
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
-
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel, it reuse
the Innolux P079ZCA panel driver.
Change-Id: I97923aa3735f707332681691b0231c9421b427d0
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- None
Changes in v4:
- download panel initial code
drivers/gpu/drm/
From: huang lin
Refactor Innolux P079ZCA panel driver, let it support
multi panel.
Change-Id: If89be5e56dba8cb498e2d50c1bbeb0e8016123a2
Signed-off-by: Lin Huang
---
Changes in v2:
- Change regulator property name to meet the panel datasheet
Changes in v3:
- this patch only refactor P079ZCA
The Innolux P097PFG panel is 9.7" panel with 1536X2048
resolution, it reuse P079ZCA panel driver, so improve
p079ZCA dt-binding to support P097PFG.
Signed-off-by: Lin Huang
---
.../devicetree/bindings/display/panel/innolux,p079zca.txt | 11 +--
1 file changed, 9 insertions(
Refactor Innolux P079ZCA panel driver, let it support
multi panel.
Signed-off-by: Lin Huang
---
Changes in v2:
- Change regulator property name to meet the panel datasheet
Changes in v3:
- this patch only refactor P079ZCA panel to support multi panel, support
P097PFG panel in another patch
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel, it reuse
the Innolux P079ZCA panel driver.
Signed-off-by: Lin Huang
---
drivers/gpu/drm/panel/Kconfig | 9
drivers/gpu/drm/panel/panel-innolux-p079zca.c | 31 +++
2 files change
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel, it reuse
the Innolux P079ZCA panel driver.
Signed-off-by: Lin Huang
---
drivers/gpu/drm/panel/Kconfig | 9
drivers/gpu/drm/panel/panel-innolux-p079zca.c | 31 +++
2 files change
The Innolux P097PFG panel is 9.7" panel with 1536X2048
resolution, it reuse P079ZCA panel driver, so improve
p079ZCA dt-binding to support P097PFG.
Change-Id: I8704914898fe53b734d31fbe646df8aa5fd8b30d
Signed-off-by: Lin Huang
---
.../devicetree/bindings/display/panel/innolux,p079zc
Refactor Innolux P079ZCA panel driver, let it support
multi panel.
Signed-off-by: Lin Huang
---
Changes in v2:
- Change regulator property name to meet the panel datasheet
Changes in v3:
- this patch only refactor P079ZCA panel to support multi panel, support
P097PFG panel in another patch
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel,
it refactor Innolux P079ZCA panel driver, let it support
multi panel, and add support P097PFG panel in this driver.
Signed-off-by: Lin Huang
---
Changes in v2:
- change regulator property name to meet the panel datasheet
drivers/gp
The Innolux P097PFG panel is 9.7" panel with 1536X2048
resolution, it reuse P079ZCA panel driver, so improve
p079ZCA dt-binding to support P097PFG.
Signed-off-by: Lin Huang
---
.../devicetree/bindings/display/panel/innolux,p079zca.txt | 11 +--
1 file changed, 9 insertions(
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel,
it refactor Innolux P079ZCA panel driver, let it support
multi panel, and add support P097PFG panel in this driver.
Signed-off-by: Lin Huang
---
drivers/gpu/drm/panel/panel-innolux-p079zca.c | 178 --
1 file ch
Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel,
it refactor Innolux P079ZCA panel driver, let it support
multi panel, and add support P097PFG panel in this driver.
Change-Id: If342e58a3de2861219b0b1313f402b6cb41ffa29
Signed-off-by: Lin Huang
---
drivers/gpu/drm/panel/panel-in
Document a "reset" and "assert-reset-us", it can be used for
driver control reset property. And reuse post-power-on-delay-ms
for deassert reset delay.
Signed-off-by: Lin Huang
---
Documentation/devicetree/bindings/input/hid-over-i2c.txt | 4 +++-
1 file changed, 3 inser
some i2c hid devices have reset gpio, need to control
it in the driver.
Signed-off-by: Lin Huang
---
Changes in v2:
- Add 10us in usleep_range() upper range
- reuse post_power_delay_ms as deassert reset delay
- delete deassert_reset_us property
drivers/hid/i2c-hid/i2c-hid.c | 61
some i2c hid devices have reset gpio, need to control
it in the driver.
Change-Id: I87bca954bffc7eb7b35711406f522cb3d0fc2ded
Signed-off-by: Lin Huang
---
drivers/hid/i2c-hid/i2c-hid.c | 63 +++
include/linux/platform_data/i2c-hid.h | 4 +++
2 files
From: huang lin
on some board use enable pin to control dmic start and stop,
so add this feature in dmic driver.
Signed-off-by: Lin Huang
---
sound/soc/codecs/Kconfig | 2 +-
sound/soc/codecs/dmic.c | 46 ++
2 files changed, 47 insertions(+), 1
From: huang lin
there may use enable pin to control dmic start and stop,
so add this property in dt-bindings.
Signed-off-by: Lin Huang
---
Documentation/devicetree/bindings/sound/dmic.txt | 4
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/dmic.txt
on some board use enable pin to control dmic start and stop,
so add this feature in dmic driver.
Signed-off-by: Lin Huang
---
sound/soc/codecs/Kconfig | 2 +-
sound/soc/codecs/dmic.c | 61
2 files changed, 62 insertions(+), 1 deletion(-)
diff
there may use enable pin to control dmic start and stop,
so add this property in dt-bindings.
Signed-off-by: Lin Huang
---
Documentation/devicetree/bindings/sound/dmic.txt | 4
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/dmic.txt
b/Documentation
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
Changes in
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
Changes in
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
Changes in
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
Changes in
We need ddr run a specific frequency when ddr dvfs stop working. So we
implement get suspend frequency function in devfreq framework, and call
it in rk3399 dmc driver.
Lin Huang (2):
PM/devfreq: add suspend frequency support
PM/devfreq: rk3399: get devfreq suspend frequency
drivers/devfreq
We need ddr run a specific frequency when ddr dvfs stop
working. For example: if we enable two monitor, then we will
stop ddr dvfs, but we hope ddr can run in highest frequency
obviously.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- None
drivers/devfreq/rk3399_dmc.c | 2
We need ddr run a specific frequency when ddr dvfs stop
working. For example: if we enable two monitor, then we will
stop ddr dvfs, but we hope ddr can run in highest frequency
obviously.
Signed-off-by: Lin Huang
---
Changes in v2:
- None
Changes in v3:
- None
drivers/devfreq/rk3399_dmc.c | 2
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
drivers
We need ddr run a specific frequency when ddr dvfs stop working. So we
implement get suspend frequency function in devfreq framework, and call
it in rk3399 dmc driver.
Lin Huang (2):
PM/devfreq: add suspend frequency support
PM/devfreq: rk3399: get devfreq suspend frequency
drivers/devfreq
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead devfreq_update_status()
Changes in v3:
- fix build error
drivers
We need ddr run a specific frequency when ddr dvfs stop working. So we
implement get suspend frequency function in devfreq framework, and call
it in rk3399 dmc driver.
Lin Huang (2):
PM/devfreq: add suspend frequency support
PM/devfreq: rk3399: set specific ddr frequency when stop ddr dvfs
Add suspend frequency support and if needed set it to
the frequency obtained from the suspend opp (can be defined
using opp-v2 bindings and is optional).
Change-Id: Iaa0d3848d63d9ce03f65ea76f263e4685a4c295e
Signed-off-by: Lin Huang
---
Changes in v2:
- use update_devfreq() instead
We need ddr run a specific frequency when ddr dvfs stop
working. For example: if we enable two monitor, then we will
stop ddr dvfs, but we hope ddr can run in highest frequency
obviously.
Change-Id: I02460f0becbf0e1a732e2a55b8e529f53c01109c
Signed-off-by: Lin Huang
---
Changes in v2:
- None
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
Acked-by: Chanwoo Choi
---
Changes in v10:
- None
Changes in v9:
- reorder compatible and reg
Changes in v8:
- delete a unuse blank line
Changes in v7:
- None
Changes in v6:
- None
Changes in
base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.
Signed-off-by: Lin Huang
Signed-off-by: MyngJoo Ham
Reviewed-by: Chanwoo Choi
---
Changes in v10:
- None
Changes in v9:
- None
Changes in v8:
- None
Changes in v8:
- do
This patch adds the documentation for rockchip rk3399 dmc driver.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v10:
- add rockchip prefix in property describe
Changes in v9:
- add ddr timing property to node
Changes in v8:
- add ddr timing properties
Changes in v7
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (5):
Documentation: bindings: add dt documentation for dfi controller
PM / devfreq: event: support rockchip dfi cont
on rk3399 platform, there is dfi conroller can monitor
ddr load, base on this result, we can do ddr freqency
scaling.
Signed-off-by: Lin Huang
Signed-off-by: MyungJoo Ham
Acked-by: Chanwoo Choi
---
Changes in v10:
-None
Changes in v9:
-None
Changes in v8:
-None
Changes in v7:
-access need
frequency scaling.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v10:
- None
Changes in v9:
- None
Changes in v8:
- None
Changes in v7:
- None
Changes in v6:
- fix a build error
Changes in v5:
- improve some nits
Changes in v4:
- register notifier to
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (5):
Documentation: bindings: add dt documentation for dfi controller
PM / devfreq: event: support rockchip dfi cont
base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.
Signed-off-by: Lin Huang
Signed-off-by: MyngJoo Ham
Reviewed-by: Chanwoo Choi
---
Changes in v8:
- None
Changes in v8:
- do not use ddr_timing node, get ddr timing
frequency scaling.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v9:
- None
Changes in v8:
- None
Changes in v7:
- None
Changes in v6:
- fix a build error
Changes in v5:
- improve some nits
Changes in v4:
- register notifier to devfreq_register_notifier
- use
This patch adds the documentation for rockchip rk3399 dmc driver.
Signed-off-by: Lin Huang
---
Changes in v9:
- add ddr timing property to node
Changes in v8:
- add ddr timing properties
Changes in v7:
- None
Changes in v6:
-Add more detail in Documentation
Changes in v5:
-None
Changes in
on rk3399 platform, there is dfi conroller can monitor
ddr load, base on this result, we can do ddr freqency
scaling.
Signed-off-by: Lin Huang
Signed-off-by: MyungJoo Ham
Acked-by: Chanwoo Choi
---
Changes in v9:
-None
Changes in v8:
-None
Changes in v7:
-access need to *4 to get right DDR
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
---
Changes in v9:
- reorder compatible and reg
Changes in v8:
- delete a unuse blank line
Changes in v7:
- None
Changes in v6:
- None
Changes in v5:
- None
Changes in v4:
- None
Changes in v3
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (5):
Documentation: bindings: add dt documentation for dfi controller
PM / devfreq: event: support rockchip dfi cont
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
---
Changes in v8:
- delete a unuse blank line
Changes in v7:
- None
Changes in v6:
- None
Changes in v5:
- None
Changes in v4:
- None
Changes in v3:
- None
Changes in v2:
- None
Changes in
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
---
Changes in v8:
- delete a unuse blank line
Changes in v7:
- None
Changes in v6:
- None
Changes in v5:
- None
Changes in v4:
- None
Changes in v3:
- None
Changes in v2:
- None
Changes in
on rk3399 platform, there is dfi conroller can monitor
ddr load, base on this result, we can do ddr freqency
scaling.
Signed-off-by: Lin Huang
Signed-off-by: MyungJoo Ham
Acked-by: Chanwoo Choi
---
Changes in v8:
-None
Changes in v7:
-access need to *4 to get right DDR loading
Changes in v6
frequency scaling.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v8:
- None
Changes in v7:
- None
Changes in v6:
- fix a build error
Changes in v5:
- improve some nits
Changes in v4:
- register notifier to devfreq_register_notifier
- use DEVFREQ_PRECHANGE and
This patch adds the documentation for rockchip rk3399 dmc driver.
Signed-off-by: Lin Huang
---
Changes in v8:
- add ddr timing properties
Changes in v7:
-None
Changes in v6:
-Add more detail in Documentation
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2
base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.
Signed-off-by: Lin Huang
Signed-off-by: MyngJoo Ham
Reviewed-by: Chanwoo Choi
---
Changes in v8:
- do not use ddr_timing node, get ddr timing directly
Changes in v7
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (5):
Documentation: bindings: add dt documentation for dfi controller
PM / devfreq: event: support rockchip dfi cont
on rk3399 platform, there is dfi conroller can monitor
ddr load, base on this result, we can do ddr freqency
scaling.
Signed-off-by: Lin Huang
Acked-by: Chanwoo Choi
---
Changes in v7:
-access need to *4 to get right DDR loading
Changes in v6:
-None
Changes in v5:
-None
Changes in v4:
-None
Signed-off-by: Lin Huang
---
Changes in v7:
-None
Changes in v6:
-None
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2:
-None
Changes in v1:
-None
include/dt-bindings/clock/rk3399-cru.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/dt-bindings
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
---
Changes in v7:
-None
Changes in v6:
-None
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2:
-None
Changes in v1:
-None
.../bindings/devfreq/event/rockchip
This patch adds the documentation for rockchip rk3399 dmc driver.
Signed-off-by: Lin Huang
---
Changes in v7:
-None
Changes in v6:
-Add more detail in Documentation
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2:
-None
Changes in v1:
-None
.../devicetree
base on dfi result, we do ddr frequency scaling, register
dmc driver to devfreq framework, and use simple-ondemand
policy.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v7:
- remove a blank line
Changes in v6:
- fix some nit suggest by Chanwoo Choi
Changes in v5:
- improve
On new rockchip platform(rk3399 etc), there have dcf controller to
do ddr frequency scaling, and this controller will implement in
arm-trust-firmware. We add a special clock-type to handle that.
Signed-off-by: Lin Huang
---
Changes in v7:
- add rockchip_ddrclk_sip_ops so we can distinguish other
add ddrc clock setting, so we can do ddr frequency
scaling on rk3399 platform in future.
Signed-off-by: Lin Huang
---
Changes in v7:
- change SCLK_DDRC name from clk_ddrc to sclk_ddrc
Changes in v6:
- None
Changes in v5:
- fit for the ddr type
Changes in v4:
- None
Changes in v3:
- None
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (8):
clk: rockchip: add new clock-type for the ddrclk
clk: rockchip: rk3399: add SCLK_DDRCLK ID for ddrc
clk: ro
frequency scaling.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v7:
- None
Changes in v6:
- fix a build error
Changes in v5:
- improve some nits
Changes in v4:
- register notifier to devfreq_register_notifier
- use DEVFREQ_PRECHANGE and DEVFREQ_POSTCHANGE to get dmc
Signed-off-by: Lin Huang
---
Changes in v6:
-None
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2:
-None
Changes in v1:
-None
include/dt-bindings/clock/rk3399-cru.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/dt-bindings/clock/rk3399-cru.h
b
This patch adds the documentation for rockchip dfi devfreq-event driver.
Signed-off-by: Lin Huang
---
Changes in v6:
-None
Changes in v5:
-None
Changes in v4:
-None
Changes in v3:
-None
Changes in v2:
-None
Changes in v1:
-None
.../bindings/devfreq/event/rockchip-dfi.txt | 20
On new rockchip platform(rk3399 etc), there have dcf controller to
do ddr frequency scaling, and this controller will implement in
arm-trust-firmware. We add a special clock-type to handle that.
Signed-off-by: Lin Huang
---
Changes in v6:
- none
Changes in v5:
- delete unuse mux_flag
- use
low
| |
| |
wait dcf interrupt<---trigger dcf interrupt
|
|
return
Lin Huang (8):
clk: rockchip: add new clock-type for the ddrclk
clk: rockchip: rk3399: add SCLK_DDRCLK ID for ddrc
clk: ro
enabled, we need
to disable dmc, since dcf only base on one vop vblank time, so the
other panel will flicker when do ddr frequency scaling.
Signed-off-by: Lin Huang
Reviewed-by: Chanwoo Choi
---
Changes in v6:
- fix a build error
Changes in v5:
- improve some nits
Changes in v4:
- register
add ddrc clock setting, so we can do ddr frequency
scaling on rk3399 platform in future.
Signed-off-by: Lin Huang
---
Changes in v6:
- None
Changes in v5:
- fit for the ddr type
Changes in v4:
- None
Changes in v3:
- None
Changes in v2:
- remove clk_ddrc_dpll_src from critical clock list
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