From: dillon min
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.txt | 42 +++
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 79 +++
arch/arm/boot/dts/stm32f429-disco.dts | 88 ++
From: dillon min
Signed-off-by: dillon min
---
drivers/gpu/drm/panel/Kconfig| 8 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 555 +++
3 files changed, 564 insertions(+)
create mode 100644
From: dillon min
1) add support drm ili9341 panel driver connect to ltdc
2) add i2c3/spi5 ltdc pins dts configuration for gyro/stmpe
3) add SPI_SIMPLEX_RX/SPI_3WIRE_RX in spi-stm32f4.c
for SPI_SIMPLEX_RX , as we running kernel in sdram, so
that the performance is not as good as internal
From: dillon min
as store stm32f4_rcc_register_pll return to the wrong offset of clks,
so ltdc gate clk is null. need change clks[PLL_VCO_SAI] to clks[PLL_SAI]
add CLK_IGNORE_UNUSED for ltdc to make sure clk not be freed by
clk_disable_unused
Signed-off-by: dillon min
---
From: dillon min
This patch adds the pin configuration for ltdc, spi5 controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 ++
1 file changed, 67 insertions(+)
diff --git
From: dillon min
Enable the ltdc & ili9341 on stm32429-disco board.
Signed-off-by: dillon min
---
Changes:
V3:
change dts binding compatible to "st,sf-tc240t-9370-t"
V2:
none
v1:
none
arch/arm/boot/dts/stm32f429-disco.dts | 39 +++
1 file
From: dillon min
This patchset has following changes:
V3:
merge original tiny/ili9341.c driver to panel/panel-ilitek-ili9341.c
to support serial spi & parallel rgb interface in one driver.
update ilitek,ili9341.yaml dts binding documentation.
update stm32f429-disco dts binding
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
Changes:
V3:
change compatible to st,sf-tc240t-9370-t, match #vendor,#lcd_module style
V2:
verifyied with make dt_binding_check
V1:
none
.../bindings/display/panel/ilitek,ili9341.yaml
From: dillon min
Currently, we can use tinydrm ili9341 driver to drive ili9341 panel
by spi interface (both register configuration and video)
ili9341 have parallel and mcu interface as well, we extend the
support to parallel rgb interface with DRM_MODE_CONNECTOR_DPI
this driver can work as
Add document for ilitek 9341 binding to stm32f429-disco board
some hardware resource can be found here,
https://www.st.com/zh/evaluation-tools/32f429idiscovery.html
___
dri-devel mailing list
dri-devel@lists.freedesktop.org
Add drm panel driver ilitek ili9341 , based on panel/panel-ilitek-ili9322.c
currently just support rgb input only
___
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
From: dillon min
This adds support for the Ilitek ILI9341 QVGA (240x320)
TFT panel driver.
This panel driver supports parallel RGB input.
The controller is combined with a physical panel and
configured through the device tree.
Signed-off-by: dillon min
---
drivers/gpu/drm/panel/Kconfig
From: dillon min
add ili9341 for stm32f429-disco board
some hardware resources can be found here
https://www.st.com/zh/evaluation-tools/32f429idiscovery.html
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 55 ++
1 file changed, 55
From: dillon min
This is a driver for 320x240 TFT panels, accepting a rgb input
streams that get adapted and scaled to the panel.
Signed-off-by: dillon min
---
drivers/gpu/drm/panel/Kconfig| 8 +
drivers/gpu/drm/panel/Makefile | 1 +
From: dillon min
This patch adds the pin configuration for ltdc, spi5 controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 ++
1 file changed, 67 insertions(+)
diff --git
From: dillon min
as store stm32f4_rcc_register_pll return to the wrong offset of clks,
so ltdc gate clk is null.
need change clks[PLL_VCO_SAI] to clks[PLL_SAI]
add CLK_IGNORE_UNUSED for ltdc to make sure clk not be freed by
clk_disable_unused
Signed-off-by: dillon min
---
From: dillon min
This patchset have following changes
V2: verify ilitek,ili9341.yaml with make O=../linux-stm32 dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml
V1:
add ili9341 drm panel driver
add ltdc, spi5 controller for
From: dillon min
Enable the ltdc & ili9341 on stm32429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429-disco.dts | 40 +++
1 file changed, 40 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
Hi Rob Herring,
This patch [PATCH V2 3/5] about ilitek,ili9341.yaml was verifyed with make
dt_binding_check
thanks.
best regards,
dillon,
.../bindings/display/panel/ilitek,ili9341.yaml | 68
From: dillon min
This patch adds the pin configuration for ltdc controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 50 ++
1 file changed, 50 insertions(+)
diff --git
From: dillon min
Enable spi5's dma configuration. for graphics data output to
ilitek ili9341 panel via mipi dbi interface
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi
From: dillon min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Signed-off-by: dillon min
---
Changes since V3:
accoding to Linus Walleij's suggestion.
From: dillon min
in l3gd20 driver startup, there is a setup failed error return from
stm32 spi driver
"
[2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy
regulator
[2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy
regulator
[
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
1 file changed, 69 insertions(+)
create mode 100644
From: dillon min
According to alexandre torgue's suggestion, combine ili9341 and
l3gd20's modification on stm32f429-disco board to one patchset.
Changes:
ili9341:
V4:
1 update ili9341 panel driver according to Linus's suggestion
2 drop V1's No.5 patch, sumbit new changes for clk-stm32f4
3
From: dillon min
fix duplicated ltdc clock register to 'clk_core' case ltdc's clock
turn off by clk_disable_unused()
ltdc set clock rate crashed:
'post_div_data[]''s pll_num is PLL_I2S, PLL_SAI (number is 1,2). but,
as pll_num is offset of 'clks[]' input to clk_register_pll_div(), which
From: dillon min
L3gd20, st mems motion sensor, 3-axis digital output gyroscope,
connect to stm32f429 via spi5
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 17 +
1 file changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
From: dillon min
Enable the ltdc & ili9341 on stm32429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429-disco.dts | 48 +++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
From: dillon min
This patch adds the pin configuration for ltdc and spi5 controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 ++
1 file changed, 67 insertions(+)
diff --git
From: dillon min
since chip spi driver need get the transfer direction by 'tx_buf' and
'rx_buf' of 'struct spi_transfer' in 'SPI_3WIRE' mode.
so, we need bypass 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX'
feature in 'SPI_3WIRE' mode
Signed-off-by: dillon min
---
drivers/spi/spi.c |
From: dillon min
Enable the ltdc & ili9341, gyro l3gd20 on stm32429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429-disco.dts | 48 +++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
From: dillon min
Enable spi5's dma configuration. for graphics data output to
ilitek ili9341 panel via mipi dbi interface
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi
From: dillon min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with
serial mode or parallel rgb interface mode by register
configuration.
Signed-off-by: dillon min
---
Hi Linus, Noralf, Andy,
Changes since V5:
fix
From: dillon min
stm32's clk driver register two ltdc gate clk to clk core by
clk_hw_register_gate() and clk_hw_register_composite()
first: 'stm32f429_gates[]', clk name is 'ltdc', which no user to use.
second: 'stm32f429_aux_clk[]', clk name is 'lcd-tft', used by ltdc driver
both of them
From: dillon min
V6:
1 separate '[PATCH v5 5/8]' patchs to two, each one has a Fixes tags according
to Stephen Boyd's suggestion
2 fix panel-ilitek-ili9341 compile warning 'warning: Function parameter or
member xxx not described in xxx' with W=1
V5's update based on Mark Brown's suggestion,
From: dillon min
in l3gd20 driver startup, there is a setup failed error return from
stm32 spi driver
"
[2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy
regulator
[2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy
regulator
[2.706707]
From: dillon min
This is due to misuse ‘PLL_VCO_SAI' and'PLL_SAI' in clk-stm32f4.c
'PLL_SAI' is 2, 'PLL_VCO_SAI' is 7(defined in
include/dt-bindings/clock/stm32fx-clock.h).
'post_div' point to 'post_div_data[]', 'post_div->pll_num'
is PLL_I2S or PLL_SAI.
'clks[PLL_VCO_SAI]' has valid 'struct
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
1 file changed, 69 insertions(+)
create mode 100644
From: dillon min
Enable the ltdc & ili9341, gyro l3gd20 on stm32429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429-disco.dts | 48 +++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
1 file changed, 69 insertions(+)
create mode 100644
From: dillon min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Changes since V3:
accoding to Linus Walleij's suggestion.
1 add more
From: dillon min
Enable spi5's dma configuration. for graphics data output to
ilitek ili9341 panel via mipi dbi interface
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi
From: dillon min
since chip spi driver need get the transfer direction by 'tx_buf' and
'rx_buf' of 'struct spi_transfer' in 'SPI_3WIRE' mode.
so, we need bypass 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX'
feature in 'SPI_3WIRE' mode
Signed-off-by: dillon min
---
drivers/spi/spi.c |
From: dillon min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Changes since V3:
accoding to Linus Walleij's suggestion.
1 add more
From: dillon min
ltdc set clock rate crashed
'post_div_data[]''s pll_num is PLL_I2S, PLL_SAI (number is 1,2). but,
as pll_num is offset of 'clks[]' input to clk_register_pll_div(), which
is FCLK, CLK_LSI, defined in 'include/dt-bindings/clock/stm32fx-clock.h'
so, this is a null
From: dillon min
V5's update based on Mark Brown's suggestion, use 'SPI_MASTER_MUST_RX'
for SPI_SIMPLEX_RX mode on stm32 spi controller.
V5:
1 instead of add send dummy data out under SIMPLEX_RX mode,
add flags 'SPI_CONTROLLER_MUST_TX' for stm32 spi driver
2 bypass 'SPI_CONTROLLER_MUST_TX'
From: dillon min
in l3gd20 driver startup, there is a setup failed error return from
stm32 spi driver
"
[2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy
regulator
[2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy
regulator
[
From: dillon min
V5's update based on Mark Brown's suggestion, use 'SPI_MASTER_MUST_RX'
for SPI_SIMPLEX_RX mode on stm32 spi controller.
V5:
1 instead of add send dummy data out under SIMPLEX_RX mode,
add flags 'SPI_CONTROLLER_MUST_TX' for stm32 spi driver
2 bypass 'SPI_CONTROLLER_MUST_TX'
From: dillon min
Enable spi5's dma configuration. for graphics data output to
ilitek ili9341 panel via mipi dbi interface
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429.dtsi
From: dillon min
since chip spi driver need get the transfer direction by 'tx_buf' and
'rx_buf' of 'struct spi_transfer' in 'SPI_3WIRE' mode.
so, we need bypass 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX'
feature in 'SPI_3WIRE' mode
Signed-off-by: dillon min
---
drivers/spi/spi.c |
From: dillon min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: dillon min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
1 file changed, 69 insertions(+)
create mode 100644
From: dillon min
This patch adds the pin configuration for ltdc and spi5 controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 ++
1 file changed, 67 insertions(+)
diff --git
From: dillon min
This patch adds the pin configuration for ltdc and spi5 controller
on stm32f429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 ++
1 file changed, 67 insertions(+)
diff --git
From: dillon min
Enable the ltdc & ili9341, gyro l3gd20 on stm32429-disco board.
Signed-off-by: dillon min
---
arch/arm/boot/dts/stm32f429-disco.dts | 48 +++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
From: dillon min
ltdc set clock rate crashed
'post_div_data[]''s pll_num is PLL_I2S, PLL_SAI (number is 1,2). but,
as pll_num is offset of 'clks[]' input to clk_register_pll_div(), which
is FCLK, CLK_LSI, defined in 'include/dt-bindings/clock/stm32fx-clock.h'
so, this is a null
From: dillon min
in l3gd20 driver startup, there is a setup failed error return from
stm32 spi driver
"
[2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy
regulator
[2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy
regulator
[
From: Dillon Min
This seriese fix three i2c/clk bug for stm32 f4/f7
- kernel runing in sdram, i2c driver get data timeout
- ltdc clk turn off after kernel console active
- kernel hang in set ltdc clock rate
clk bug found on stm32f429/f469-disco board
Hi Patrice:
below is the guide to verify
From: Dillon Min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Reviewed-by: Linus Walleij
Link:
From: Dillon Min
As stm32f429's internal flash is 2Mbytes and compiled kernel
image bigger than 2Mbytes, so we have to load kernel image
to sdram on stm32f429-disco board which has 8Mbytes sdram space.
based on above context, as you knows kernel running on external
sdram is more slower than
From: Dillon Min
This is due to misuse ‘PLL_VCO_SAI' and'PLL_SAI' in clk-stm32f4.c
'PLL_SAI' is 2, 'PLL_VCO_SAI' is 7(defined in
include/dt-bindings/clock/stm32fx-clock.h).
'post_div' point to 'post_div_data[]', 'post_div->pll_num'
is PLL_I2S or PLL_SAI.
'clks[PLL_VCO_SAI]' has valid 'struct
From: Dillon Min
stm32's clk driver register two ltdc gate clk to clk core by
clk_hw_register_gate() and clk_hw_register_composite()
first: 'stm32f429_gates[]', clk name is 'ltdc', which no user to use.
second: 'stm32f429_aux_clk[]', clk name is 'lcd-tft', used by ltdc driver
both of them
From: Dillon Min
Since the compatible string defined from ilitek,ili9341.yaml is
"st,sf-tc240t-9370-t", "ilitek,ili9341"
so, append "ilitek,ili9341" to avoid below dtbs_check warning.
arch/arm/boot/dts/stm32f429-disco.dt.yaml: display@1: compatible:
['st,sf-tc240t-9370-t'] is too short
From: Dillon Min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Cc: Linus Walleij
Signed-off-by: Dillon Min
---
changes in v2:
- replace vcc regulator
From: Dillon Min
Since the st,sf-tc240t-9370-t dts binding already exist in stm32f429-disco.dts
but, the panel driver didn't get accepted from mainline. it's time to submit
patch fot it.
This driver can support two different interface by different dts bindings:
- spi+dpi, use spi to configure
From: Dillon Min
Add documentation for "ilitek,ili9341" panel.
Cc: Linus Walleij
Signed-off-by: Dillon Min
Reviewed-by: Rob Herring
---
changes in v2:
- add {vci, vddi, vddi-led}-supply bulk regulator according to linus
suggestion, thanks.
- add DBI panel in D/CX description.
From: Dillon Min
This driver combines tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, and can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Signed-off-by: Dillon Min
Reviewed-by: Linus Walleij
Reviewed-by: Jagan Teki
---
From: Dillon Min
Since the st,sf-tc240t-9370-t dts binding already exist in stm32f429-disco.dts
but, the panel driver didn't get accepted from mainline. it's time to submit
patch fot it.
This driver can support two different interface by different dts bindings:
- spi+dpi, use spi to configure
From: Dillon Min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: Dillon Min
Reviewed-by: Linus Walleij
Reviewed-by: Rob Herring
Link:
https://lore.kernel.org/lkml/1626853288-31223-2-git-send-email-dillon.min...@gmail.com/
---
v3:
- collect reviewed-by tags from linus.
- add
From: Dillon Min
Since the compatible string defined from ilitek,ili9341.yaml is
"st,sf-tc240t-9370-t", "ilitek,ili9341"
so, append "ilitek,ili9341" to avoid the below dtbs_check warning.
arch/arm/boot/dts/stm32f429-disco.dt.yaml: display@1: compatible:
['st,sf-tc240t-9370-t'] is too short
From: Dillon Min
Since the st,sf-tc240t-9370-t dts binding already exist in stm32f429-disco.dts
but, the panel driver didn't get accepted from mainline. it's time to submit
patch fot it.
This driver can support two different interface by different dts bindings:
- spi+dpi, use spi to configure
From: Dillon Min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: Dillon Min
---
.../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
1 file changed, 69 insertions(+)
create mode 100644
From: Dillon Min
This driver combine tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode or parallel rgb interface mode by register configuration.
Signed-off-by: Dillon Min
---
drivers/gpu/drm/panel/Kconfig| 12 +
From: Dillon Min
This driver combines tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode and parallel rgb interface mode by different dts bindings.
Signed-off-by: Dillon Min
Reported-by: kernel test robot
Reviewed-by: Linus Walleij
From: Dillon Min
Since the st,sf-tc240t-9370-t dts binding already exist in stm32f429-disco.dts
but, the panel driver didn't get accepted from mainline. it's time to submit
patch fot it.
This driver can support two different interface by different dts bindings:
- spi+dpi, use spi to configure
From: Dillon Min
Add documentation for "ilitek,ili9341" panel.
Signed-off-by: Dillon Min
Reviewed-by: Linus Walleij
Reviewed-by: Rob Herring
Link:
https://lore.kernel.org/lkml/1626853288-31223-2-git-send-email-dillon.min...@gmail.com/
---
v4: no change.
From: Dillon Min
Since the compatible string defined from ilitek,ili9341.yaml is
"st,sf-tc240t-9370-t", "ilitek,ili9341"
so, append "ilitek,ili9341" to avoid the below dtbs_check warning.
arch/arm/boot/dts/stm32f429-disco.dt.yaml: display@1: compatible:
['st,sf-tc240t-9370-t'] is too short
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