diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch b/target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch new file mode 100644 index 0000000000..444c287eed --- /dev/null +++ b/target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch @@ -0,0 +1,101 @@ +From fc25cd03ca1c696dacb74d2006c0f176ce800566 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Tue, 13 Dec 2016 15:15:10 -0800 +Subject: [PATCH] ARM: bcm2835: dt: Add the DSI module nodes and clocks. + +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(-) + +--- 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>; ++}; +--- 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 { +@@ -188,6 +191,26 @@ + 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>; +@@ -247,6 +270,26 @@ + 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>; |