The modules stay disabled by default, and if you want to enable DSI you'll need an overlay that connects a panel to it.
Signed-off-by: Eric Anholt eric@anholt.net --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 8 +++++++ arch/arm/boot/dts/bcm283x.dtsi | 49 +++++++++++++++++++++++++++++++++++--- 2 files changed, 54 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index e9b47b2bbc33..365648898f3a 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -84,3 +84,11 @@ power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; + +&dsi0 { + power-domains = <&power RPI_POWER_DOMAIN_DSI0>; +}; + +&dsi1 { + power-domains = <&power RPI_POWER_DOMAIN_DSI1>; +}; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 46d46d894a44..82a4eccfb3d8 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -93,10 +93,13 @@ #clock-cells = <1>; reg = <0x7e101000 0x2000>;
- /* CPRMAN derives everything from the platform's - * oscillator. + /* CPRMAN derives almost everything from the + * platform's oscillator. However, the DSI + * pixel clocks come from the DSI analog PHY. */ - clocks = <&clk_osc>; + clocks = <&clk_osc>, + <&dsi0 0>, <&dsi0 1>, <&dsi0 2>, + <&dsi1 0>, <&dsi1 1>, <&dsi1 2>; };
rng@7e104000 { @@ -187,6 +190,26 @@ interrupts = <2 14>; /* pwa1 */ };
+ dsi0: dsi@7e209000 { + compatible = "brcm,bcm2835-dsi0"; + reg = <0x7e209000 0x78>; + interrupts = <2 4>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + + clocks = <&clocks BCM2835_PLLA_DSI0>, + <&clocks BCM2835_CLOCK_DSI0E>, + <&clocks BCM2835_CLOCK_DSI0P>; + clock-names = "phy", "escape", "pixel"; + + clock-output-names = "dsi0_byte", + "dsi0_ddr2", + "dsi0_ddr"; + + status = "disabled"; + }; + aux: aux@0x7e215000 { compatible = "brcm,bcm2835-aux"; #clock-cells = <1>; @@ -246,6 +269,26 @@ interrupts = <2 1>; };
+ dsi1: dsi@7e700000 { + compatible = "brcm,bcm2835-dsi1"; + reg = <0x7e700000 0x8c>; + interrupts = <2 12>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + + clocks = <&clocks BCM2835_PLLD_DSI1>, + <&clocks BCM2835_CLOCK_DSI1E>, + <&clocks BCM2835_CLOCK_DSI1P>; + clock-names = "phy", "escape", "pixel"; + + clock-output-names = "dsi1_byte", + "dsi1_ddr2", + "dsi1_ddr"; + + status = "disabled"; + }; + i2c1: i2c@7e804000 { compatible = "brcm,bcm2835-i2c"; reg = <0x7e804000 0x1000>;