Thread (46 messages) 46 messages, 10 authors, 2021-12-07

Re: [PATCH 01/12] dt-bindings: display: rockchip: Add compatible for rk3568 HDMI

From: Heiko Stuebner <heiko@sntech.de>
Date: 2021-11-27 15:10:01
Also in: dri-devel, linux-devicetree, linux-rockchip

Hi,

Am Mittwoch, 17. November 2021, 15:33:36 CET schrieb Sascha Hauer:
quoted hunk ↗ jump to hunk
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>

Define a new compatible for rk3568 HDMI.
This version of HDMI hardware block needs two new clocks hclk_vio and hclk
to provide phy reference clocks.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210707120323.401785-2-benjamin.gaignard@collabora.com (local)
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 .../bindings/display/rockchip/rockchip,dw-hdmi.yaml         | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
index da3b889ad8fcd..53fa42479d5b7 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -23,6 +23,7 @@ properties:
       - rockchip,rk3288-dw-hdmi
       - rockchip,rk3328-dw-hdmi
       - rockchip,rk3399-dw-hdmi
+      - rockchip,rk3568-dw-hdmi
 
   reg-io-width:
     const: 4
@@ -49,8 +50,11 @@ properties:
           - vpll
       - enum:
           - grf
+          - hclk_vio
I don't believe this clock should be here:
(1) the rk3568 dts node later in the series doesn't use it at all
(2) generally vio-clocks are part of the interconnect where the ip block
    connects to, so right now we just enable it as critical on all socs and
    if someone actually models the interconnect (where also the qos
    [quality of service configs] nodes would play into), it would need to
    be included there.


Heiko
+          - vpll
+      - enum:
+          - hclk
           - vpll
-      - const: vpll
 
   ddc-i2c-bus:
     $ref: /schemas/types.yaml#/definitions/phandle




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