From: Neil Armstrong <neil.armstrong@linaro.org>
To: Sebastian Reichel <sebastian.reichel@collabora.com>,
Vinod Koul <vkoul@kernel.org>, Heiko Stuebner <heiko@sntech.de>,
Frank Wang <frank.wang@rock-chips.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Andy Yan <andy.yan@rock-chips.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Yubing Zhang <yubing.zhang@rock-chips.com>,
Alexey Charkov <alchark@gmail.com>,
linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
kernel@collabora.com, devicetree@vger.kernel.org
Subject: Re: [PATCH v4 04/16] phy: rockchip: usbdp: Amend SSC modulation deviation
Date: Wed, 6 May 2026 16:49:27 +0200 [thread overview]
Message-ID: <3010fcb6-f5af-41e2-aa5a-ba4401513a52@linaro.org> (raw)
In-Reply-To: <20260428-rockchip-usbdp-cleanup-v4-4-7775671ece22@collabora.com>
On 4/28/26 18:13, Sebastian Reichel wrote:
> From: Frank Wang <frank.wang@rock-chips.com>
>
> Move SSC modulation deviation into private config of clock
>
> - 24M: 0x00d4[5:0] = 0x30
> - 26M: 0x00d4[5:0] = 0x33
>
> Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> [Taken over from rockchip's kernel tree; register 0x00d4 is not
> described in the TRM]
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
> drivers/phy/rockchip/phy-rockchip-usbdp.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c
> index 98562a888b42..1f686844c337 100644
> --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c
> +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c
> @@ -350,7 +350,8 @@ static const struct reg_sequence rk_udphy_24m_refclk_cfg[] = {
> {0x0a64, 0xa8}, {0x1a3c, 0xd0},
> {0x1a44, 0xd0}, {0x1a48, 0x01},
> {0x1a4c, 0x0d}, {0x1a54, 0xe0},
> - {0x1a5c, 0xe0}, {0x1a64, 0xa8}
> + {0x1a5c, 0xe0}, {0x1a64, 0xa8},
> + {0x00d4, 0x30}
> };
>
> static const struct reg_sequence rk_udphy_26m_refclk_cfg[] = {
> @@ -377,7 +378,7 @@ static const struct reg_sequence rk_udphy_26m_refclk_cfg[] = {
> {0x0c30, 0x0e}, {0x0c48, 0x06},
> {0x1c30, 0x0e}, {0x1c48, 0x06},
> {0x028c, 0x18}, {0x0af0, 0x00},
> - {0x1af0, 0x00}
> + {0x1af0, 0x00}, {0x00d4, 0x33}
> };
>
> static const struct reg_sequence rk_udphy_init_sequence[] = {
> @@ -412,8 +413,7 @@ static const struct reg_sequence rk_udphy_init_sequence[] = {
> {0x0070, 0x7d}, {0x0074, 0x68},
> {0x0af4, 0x1a}, {0x1af4, 0x1a},
> {0x0440, 0x3f}, {0x10d4, 0x08},
> - {0x20d4, 0x08}, {0x00d4, 0x30},
> - {0x0024, 0x6e},
> + {0x20d4, 0x08}, {0x0024, 0x6e}
> };
>
> static inline int rk_udphy_grfreg_write(struct regmap *base,
>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Thanks,
Neil
next prev parent reply other threads:[~2026-05-06 14:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 16:13 [PATCH v4 00/16] phy: rockchip: usbdp: Fixes, DP 1-lane support and cleanups Sebastian Reichel
2026-04-28 16:13 ` [PATCH v4 01/16] dt-bindings: phy: rockchip-usbdp: add improved ports scheme Sebastian Reichel
2026-05-05 15:44 ` Rob Herring
2026-05-05 15:45 ` Rob Herring (Arm)
2026-04-28 16:13 ` [PATCH v4 02/16] phy: rockchip: usbdp: Do not loose USB3 PHY status Sebastian Reichel
2026-05-06 14:47 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 03/16] phy: rockchip: usbdp: Keep clocks running on PHY re-init Sebastian Reichel
2026-05-06 14:49 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 04/16] phy: rockchip: usbdp: Amend SSC modulation deviation Sebastian Reichel
2026-05-06 14:49 ` Neil Armstrong [this message]
2026-04-28 16:13 ` [PATCH v4 05/16] phy: rockchip: usbdp: Fix LFPS detect threshold control Sebastian Reichel
2026-05-06 14:49 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 06/16] phy: rockchip: usbdp: Add missing mode_change update Sebastian Reichel
2026-05-06 14:50 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 07/16] phy: rockchip: usbdp: Support single-lane DP Sebastian Reichel
2026-05-06 14:53 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 08/16] phy: rockchip: usbdp: Rename DP lane functions Sebastian Reichel
2026-05-06 14:53 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 09/16] phy: rockchip: usbdp: Use FIELD_PREP_WM16_CONST Sebastian Reichel
2026-05-06 14:54 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 10/16] phy: rockchip: usbdp: Cleanup DP lane selection function Sebastian Reichel
2026-05-06 14:55 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 11/16] phy: rockchip: usbdp: Register DP aux bridge Sebastian Reichel
2026-05-06 14:56 ` Neil Armstrong
2026-04-28 16:13 ` [PATCH v4 12/16] phy: rockchip: usbdp: Drop DP HPD handling Sebastian Reichel
2026-04-28 16:13 ` [PATCH v4 13/16] phy: rockchip: usbdp: Rename mode_change to phy_needs_reinit Sebastian Reichel
2026-04-28 16:13 ` [PATCH v4 14/16] phy: rockchip: usbdp: Re-init the PHY on orientation change Sebastian Reichel
2026-04-28 16:13 ` [PATCH v4 15/16] phy: rockchip: usbdp: Factor out lane_mux_sel setup Sebastian Reichel
2026-04-28 16:13 ` [PATCH v4 16/16] phy: rockchip: usbdp: Use guard functions for mutex Sebastian Reichel
2026-05-03 16:50 ` [PATCH v4 00/16] phy: rockchip: usbdp: Fixes, DP 1-lane support and cleanups Vinod Koul
2026-05-03 19:12 ` Heiko Stuebner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3010fcb6-f5af-41e2-aa5a-ba4401513a52@linaro.org \
--to=neil.armstrong@linaro.org \
--cc=alchark@gmail.com \
--cc=andy.yan@rock-chips.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=frank.wang@rock-chips.com \
--cc=heiko@sntech.de \
--cc=kernel@collabora.com \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-phy@lists.infradead.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=lumag@kernel.org \
--cc=robh@kernel.org \
--cc=sebastian.reichel@collabora.com \
--cc=vkoul@kernel.org \
--cc=yubing.zhang@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox