On Mon, Jan 15, 2024 at 06:27:15PM +0530, Devarsh Thakkar wrote: > TI keystone display subsystem present in AM65 and other SoCs such as AM62 Do all 3 SoCs supported by this binding (am625 am62a7 am65x) have this common1 register? If not, you should limit it the platforms that do have it. Thanks, Conor. > support two separate register spaces namely "common" and "common1" which > can be used by two separate hosts to program the display controller as > described in respective Technical Reference Manuals [1]. > > The common1 register space has similar set of configuration registers as > supported in common register space except the global configuration > registers which are exclusive to common region. > > This adds binding for "common1" register region too as supported by the > hardware. > > [1]: > AM62x TRM: > https://www.ti.com/lit/pdf/spruiv7 (Section 14.8.9.1 DSS Registers) > > AM65x TRM: > https://www.ti.com/lit/pdf/spruid7 (Section 12.6.5 DSS Registers) > > Signed-off-by: Devarsh Thakkar <devarsht@xxxxxx> > --- > .../devicetree/bindings/display/ti/ti,am65x-dss.yaml | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml > index b6767ef0d24d..55e3e490d0e6 100644 > --- a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml > +++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml > @@ -37,6 +37,7 @@ properties: > - description: OVR2 overlay manager for vp2 > - description: VP1 video port 1 > - description: VP2 video port 2 > + - description: common1 DSS register area > > reg-names: > items: > @@ -47,6 +48,7 @@ properties: > - const: ovr2 > - const: vp1 > - const: vp2 > + - const: common1 > > clocks: > items: > @@ -147,9 +149,10 @@ examples: > <0x04a07000 0x1000>, /* ovr1 */ > <0x04a08000 0x1000>, /* ovr2 */ > <0x04a0a000 0x1000>, /* vp1 */ > - <0x04a0b000 0x1000>; /* vp2 */ > + <0x04a0b000 0x1000>, /* vp2 */ > + <0x04a01000 0x1000>; /* common1 */ > reg-names = "common", "vidl1", "vid", > - "ovr1", "ovr2", "vp1", "vp2"; > + "ovr1", "ovr2", "vp1", "vp2", "common1"; > ti,am65x-oldi-io-ctrl = <&dss_oldi_io_ctrl>; > power-domains = <&k3_pds 67 TI_SCI_PD_EXCLUSIVE>; > clocks = <&k3_clks 67 1>, > -- > 2.34.1 >
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