On 27/04/2020 13:08, Tero Kristo wrote:
On 22/04/2020 12:15, Tomi Valkeinen wrote:From: Jyri Sarha <jsarha@xxxxxx> Add DSS node to k3-am65-main.dtsi with labels for board specific support and syscon node for oldi-io-ctrl. Signed-off-by: Jyri Sarha <jsarha@xxxxxx> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 44 ++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 11887c72f23a..7d1bc991708e 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -287,6 +287,11 @@ mux-reg-masks = <0x4080 0x3>, /* SERDES0 lane select */ <0x4090 0x3>; /* SERDES1 lane select */ }; + + dss_oldi_io_ctrl: dss_oldi_io_ctrl@41E0 { + compatible = "syscon"; + reg = <0x0000041E0 0x14>; + }; }; dwc3_0: dwc3@4000000 { @@ -746,4 +751,43 @@ }; }; }; + + dss: dss@04a00000 { + compatible = "ti,am65x-dss"; + reg = <0x0 0x04a00000 0x0 0x1000>, /* common */ + <0x0 0x04a02000 0x0 0x1000>, /* vidl1 */ + <0x0 0x04a06000 0x0 0x1000>, /* vid */ + <0x0 0x04a07000 0x0 0x1000>, /* ovr1 */ + <0x0 0x04a08000 0x0 0x1000>, /* ovr2 */ + <0x0 0x04a0a000 0x0 0x1000>, /* vp1 */ + <0x0 0x04a0b000 0x0 0x1000>; /* vp2 */ + reg-names = "common", "vidl1", "vid", + "ovr1", "ovr2", "vp1", "vp2"; + + ti,am65x-oldi-io-ctrl = <&dss_oldi_io_ctrl>; + + power-domains = <&k3_pds 67 TI_SCI_PD_EXCLUSIVE>; + + clocks = <&k3_clks 67 1>, + <&k3_clks 216 1>, + <&k3_clks 67 2>; + clock-names = "fck", "vp1", "vp2"; + + /* + * Set vp2 clk (DPI_1_IN_CLK) mux to PLL4 via + * DIV1. See "Figure 12-3365. DSS Integration" + * in AM65x TRM for details. + */ + assigned-clocks = <&k3_clks 67 2>; + assigned-clock-parents = <&k3_clks 67 5>; + + interrupts = <GIC_SPI 166 IRQ_TYPE_EDGE_RISING>; + + status = "disabled";Any reason why the node is disabled? Are you planning to enable it somewhere later on, or is that left for the user to do?
It's enabled in board DT files or DT overlays which add a display and the DT graph for the connections. Having DSS driver probe without any displays is a waste of resources.
Tomi -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
