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From: heiko@sntech.de (Heiko Stübner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/7] clk: rockchip: rk3399: export 480M_SRC clock id for usbphy0/usbphy1
Date: Thu, 04 Aug 2016 21:10:47 +0200	[thread overview]
Message-ID: <1918977.W0kRfKbZsD@diego> (raw)
In-Reply-To: <1470122401-31934-3-git-send-email-zhengxing@rock-chips.com>

Hi Xing,

Am Dienstag, 2. August 2016, 15:19:56 schrieb Xing Zheng:
> Export these source clocks for usbphy.
> 
> Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

can you please provide a rationale why you need manual control over that 
intermediate clock?

The two usbphys seem to use the  clk_usb2phyX_ref clocks, generate the 480m 
clocks, but do not seem to need the clk_usbphyX_480m_src gates.

The clk_usbphyX_480m_src clocks on the other hand only lead to the 
clk_usbphy_480m mux, so I'd like some explanation on what you want to achieve 
here :-)


Thanks
Heiko

  reply	other threads:[~2016-08-04 19:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-02  7:19 [PATCH v3 0/7] fix and optimize some clock configuration for the RK3399 platfom Xing Zheng
2016-08-02  7:19 ` [PATCH v3 2/7] clk: rockchip: rk3399: export 480M_SRC clock id for usbphy0/usbphy1 Xing Zheng
2016-08-04 19:10   ` Heiko Stübner [this message]
2016-08-05  8:34     ` Frank Wang
2016-08-05 16:05       ` Heiko Stübner
2016-08-08  9:55         ` Frank Wang
2016-08-16  6:34           ` Frank Wang
2016-08-02  7:19 ` [PATCH v3 3/7] clk: rockchip: rk3399: fix incorrect GATE bits for {c, g}pll_aclk_perihp_src Xing Zheng
2016-08-12 16:30   ` Heiko Stübner
2016-08-02  7:19 ` [PATCH v3 4/7] clk: rockchip: rk3399: fix incorrect aclk_emmc source gate bits Xing Zheng
2016-08-12  8:05   ` Heiko Stübner
2016-08-02  7:22 ` [PATCH v3 5/7] clk: rockchip: rk3399: add 65MHz and 106.5MHz clocks for HDMI Xing Zheng
2016-08-04 19:05   ` Heiko Stübner
2016-08-02  7:22 ` [PATCH v3 6/7] clk: rockchip: rk3399: delete the CLK_IGNORE_UNUSED for aclk_pcie Xing Zheng
2016-08-04 19:06   ` Heiko Stübner
2016-08-02  7:22 ` [PATCH v3 7/7] clk: rockchip: rk3399: Add support frac mode frequencies Xing Zheng
2016-08-04 19:19   ` Heiko Stübner
2016-08-05  2:26     ` Xing Zheng
2016-08-05  8:48       ` Heiko Stübner
2016-08-05 13:23         ` Xing Zheng
2016-08-05 13:26           ` Heiko Stübner

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