From: Lin Huang <hl@rock-chips.com>
To: seanpaul@chromium.org, airlied@linux.ie, zyw@rock-chips.com
Cc: dianders@chromium.org, briannorris@chromium.org,
linux-rockchip@lists.infradead.org, heiko@sntech.de,
daniel.vetter@intel.com, jani.nikula@linux.intel.com,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, eballetbo@gmail.com,
robh+dt@kernel.org, devicetree@vger.kernel.org,
Lin Huang <hl@rock-chips.com>
Subject: [PATCH v5 2/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY
Date: Thu, 17 May 2018 17:17:58 +0800 [thread overview]
Message-ID: <1526548680-2552-2-git-send-email-hl@rock-chips.com> (raw)
In-Reply-To: <1526548680-2552-1-git-send-email-hl@rock-chips.com>
If want to do training outside DP Firmware, need phy voltage swing
and pre_emphasis value.
Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v2:
- None
Changes in v3:
- modify property description and add this property to Example
Change in v4:
- None
Change in v5:
- None
.../devicetree/bindings/phy/phy-rockchip-typec.txt | 29 +++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
index 960da7f..af298f2 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
@@ -17,7 +17,8 @@ Required properties:
Optional properties:
- extcon : extcon specifier for the Power Delivery
-
+ - rockchip,phy_config : A list of voltage swing(mv) and pre-emphasis
+ (dB) pairs.
Required nodes : a sub-node is required for each port the phy provides.
The sub-node name is used to identify dp or usb3 port,
and shall be the following entries:
@@ -50,6 +51,19 @@ Example:
<&cru SRST_P_UPHY0_TCPHY>;
reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ rockchip,phy_config =<0x2a 0x00
+ 0x1f 0x15
+ 0x14 0x22
+ 0x02 0x2b
+ 0x21 0x00
+ 0x12 0x15
+ 0x02 0x22
+ 0 0
+ 0x15 0x00
+ 0x00 0x15
+ 0 0
+ 0 0>;
+
tcphy0_dp: dp-port {
#phy-cells = <0>;
};
@@ -74,6 +88,19 @@ Example:
<&cru SRST_P_UPHY1_TCPHY>;
reset-names = "uphy", "uphy-pipe", "uphy-tcphy";
+ rockchip,phy_config =<0x2a 0x00
+ 0x1f 0x15
+ 0x14 0x22
+ 0x02 0x2b
+ 0x21 0x00
+ 0x12 0x15
+ 0x02 0x22
+ 0 0
+ 0x15 0x00
+ 0x00 0x15
+ 0 0
+ 0 0>;
+
tcphy1_dp: dp-port {
#phy-cells = <0>;
};
--
2.7.4
next prev parent reply other threads:[~2018-05-17 9:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-17 9:17 [PATCH v5 1/4] drm/rockchip: add transfer function for cdn-dp Lin Huang
2018-05-17 9:17 ` Lin Huang [this message]
2018-05-18 16:24 ` [PATCH v5 2/4] Documentation: bindings: add phy_config for Rockchip USB Type-C PHY Heiko Stuebner
2018-05-18 16:41 ` Rob Herring
2018-05-17 9:17 ` [PATCH v5 3/4] phy: rockchip-typec: support variable phy config value Lin Huang
2018-05-18 16:33 ` Heiko Stuebner
2018-05-17 9:18 ` [PATCH v5 4/4] drm/rockchip: support dp training outside dp firmware Lin Huang
2018-05-17 13:51 ` Sean Paul
2018-05-18 1:41 ` hl
2018-05-18 1:45 ` Brian Norris
2018-05-18 8:52 ` Heiko Stuebner
2018-05-18 15:36 ` Sean Paul
2018-05-18 16:35 ` Heiko Stuebner
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