| Message ID | 20180311135307.6271-2-linus.walleij@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sun, Mar 11, 2018 at 02:52:58PM +0100, Linus Walleij wrote: > The PL111 in the ARM reference platforms are connected to > "panels" that are actually dumb VGA DAC connector bridges. > Now that we can support the proper bridges in the DRM driver, > fix this up. > > Cc: Liviu Dudau <liviu.dudau@arm.com> > Cc: Mali DP Maintainers <malidp@foss.arm.com> > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Hi Linus, Changes look sane to me, but again I lack hardware to test. Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Best regards, Liviu > --- > arch/arm/boot/dts/arm-realview-pb11mp.dts | 78 +++++++++++++++++++++---------- > 1 file changed, 53 insertions(+), 25 deletions(-) > > diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts > index 3944765ac4b0..36203288de42 100644 > --- a/arch/arm/boot/dts/arm-realview-pb11mp.dts > +++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts > @@ -242,6 +242,49 @@ > bank-width = <4>; > }; > > + bridge { > + compatible = "ti,ths8134a", "ti,ths8134"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + vga_bridge_in: endpoint { > + remote-endpoint = <&clcd_pads>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + vga_bridge_out: endpoint { > + remote-endpoint = <&vga_con_in>; > + }; > + }; > + }; > + }; > + > + vga { > + /* > + * This DDC I2C is connected directly to the DVI portions > + * of the connector, so it's not really working when the > + * monitor is connected to the VGA connector. > + */ > + compatible = "vga-connector"; > + ddc-i2c-bus = <&i2c1>; > + > + port { > + vga_con_in: endpoint { > + remote-endpoint = <&vga_bridge_out>; > + }; > + }; > + }; > + > soc { > #address-cells = <1>; > #size-cells = <1>; > @@ -575,6 +618,13 @@ > clock-names = "apb_pclk"; > }; > > + i2c1: i2c@10016000 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "arm,versatile-i2c"; > + reg = <0x10016000 0x1000>; > + }; > + > rtc: rtc@10017000 { > compatible = "arm,pl031", "arm,primecell"; > reg = <0x10017000 0x1000>; > @@ -609,37 +659,15 @@ > interrupts = <0 23 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&oscclk4>, <&pclk>; > clock-names = "clcdclk", "apb_pclk"; > - max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */ > + /* 1024x768 16bpp @65MHz works fine */ > + max-memory-bandwidth = <95000000>; > > port { > clcd_pads: endpoint { > - remote-endpoint = <&clcd_panel>; > + remote-endpoint = <&vga_bridge_in>; > arm,pl11x,tft-r0g0b0-pads = <0 8 16>; > }; > }; > - > - panel { > - compatible = "panel-dpi"; > - > - port { > - clcd_panel: endpoint { > - remote-endpoint = <&clcd_pads>; > - }; > - }; > - > - /* Standard 640x480 VGA timings */ > - panel-timing { > - clock-frequency = <25175000>; > - hactive = <640>; > - hback-porch = <48>; > - hfront-porch = <16>; > - hsync-len = <96>; > - vactive = <480>; > - vback-porch = <33>; > - vfront-porch = <10>; > - vsync-len = <2>; > - }; > - }; > }; > > /* > -- > 2.14.3 >
diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts index 3944765ac4b0..36203288de42 100644 --- a/arch/arm/boot/dts/arm-realview-pb11mp.dts +++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts @@ -242,6 +242,49 @@ bank-width = <4>; }; + bridge { + compatible = "ti,ths8134a", "ti,ths8134"; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + vga_bridge_in: endpoint { + remote-endpoint = <&clcd_pads>; + }; + }; + + port@1 { + reg = <1>; + + vga_bridge_out: endpoint { + remote-endpoint = <&vga_con_in>; + }; + }; + }; + }; + + vga { + /* + * This DDC I2C is connected directly to the DVI portions + * of the connector, so it's not really working when the + * monitor is connected to the VGA connector. + */ + compatible = "vga-connector"; + ddc-i2c-bus = <&i2c1>; + + port { + vga_con_in: endpoint { + remote-endpoint = <&vga_bridge_out>; + }; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>; @@ -575,6 +618,13 @@ clock-names = "apb_pclk"; }; + i2c1: i2c@10016000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "arm,versatile-i2c"; + reg = <0x10016000 0x1000>; + }; + rtc: rtc@10017000 { compatible = "arm,pl031", "arm,primecell"; reg = <0x10017000 0x1000>; @@ -609,37 +659,15 @@ interrupts = <0 23 IRQ_TYPE_LEVEL_HIGH>; clocks = <&oscclk4>, <&pclk>; clock-names = "clcdclk", "apb_pclk"; - max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */ + /* 1024x768 16bpp @65MHz works fine */ + max-memory-bandwidth = <95000000>; port { clcd_pads: endpoint { - remote-endpoint = <&clcd_panel>; + remote-endpoint = <&vga_bridge_in>; arm,pl11x,tft-r0g0b0-pads = <0 8 16>; }; }; - - panel { - compatible = "panel-dpi"; - - port { - clcd_panel: endpoint { - remote-endpoint = <&clcd_pads>; - }; - }; - - /* Standard 640x480 VGA timings */ - panel-timing { - clock-frequency = <25175000>; - hactive = <640>; - hback-porch = <48>; - hfront-porch = <16>; - hsync-len = <96>; - vactive = <480>; - vback-porch = <33>; - vfront-porch = <10>; - vsync-len = <2>; - }; - }; }; /*
The PL111 in the ARM reference platforms are connected to "panels" that are actually dumb VGA DAC connector bridges. Now that we can support the proper bridges in the DRM driver, fix this up. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- arch/arm/boot/dts/arm-realview-pb11mp.dts | 78 +++++++++++++++++++++---------- 1 file changed, 53 insertions(+), 25 deletions(-)