| Message ID | 20221117113637.1978703-3-dario.binacchi@amarulasolutions.com |
|---|---|
| State | New |
| Headers | show |
| Series |
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| Related | show |
On 22-11-17 12:36:34, Dario Binacchi wrote: > There is no occurrence of the hdmi oscillator in the reference manual > (document IMX8MNRM Rev 2, 07/2022). Further, if we consider the indexes > 76-81 and 134 of the "Clock Root" table of chapter 5 of the RM, there is > no entry for the source select bits 101b, which is the setting referenced > by "osc_hdmi". > Fix by renaming "osc_hdmi" with "dummy", a clock which has already been > used for missing source select bits. > > Tested on the BSH SystemMaster (SMM) S2 board. > > Fixes: 96d6392b54dbb ("clk: imx: Add support for i.MX8MN clock driver") > Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> I don't think this is correct. It might even break the EVKs HDMI support. Peng, can you please confirm ? > --- > > (no changes since v1) > > drivers/clk/imx/clk-imx8mn.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c > index 72f9563a0ff6..0fae97e61e2c 100644 > --- a/drivers/clk/imx/clk-imx8mn.c > +++ b/drivers/clk/imx/clk-imx8mn.c > @@ -108,27 +108,27 @@ static const char * const imx8mn_disp_pixel_sels[] = {"osc_24m", "video_pll1_out > "sys_pll3_out", "clk_ext4", }; > > static const char * const imx8mn_sai2_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext3", "clk_ext4", }; > > static const char * const imx8mn_sai3_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext3", "clk_ext4", }; > > static const char * const imx8mn_sai5_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext2", "clk_ext3", }; > > static const char * const imx8mn_sai6_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext3", "clk_ext4", }; > > static const char * const imx8mn_sai7_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext3", "clk_ext4", }; > > static const char * const imx8mn_spdif1_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", > - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", > + "video_pll1_out", "sys_pll1_133m", "dummy", > "clk_ext2", "clk_ext3", }; > > static const char * const imx8mn_enet_ref_sels[] = {"osc_24m", "sys_pll2_125m", "sys_pll2_50m", > -- > 2.32.0 >
> Subject: Re: [PATCH v2 2/5] clk: imx: replace osc_hdmi with dummy > > On 22-11-17 12:36:34, Dario Binacchi wrote: > > There is no occurrence of the hdmi oscillator in the reference manual > > (document IMX8MNRM Rev 2, 07/2022). Further, if we consider the > > indexes > > 76-81 and 134 of the "Clock Root" table of chapter 5 of the RM, there > > is no entry for the source select bits 101b, which is the setting > > referenced by "osc_hdmi". > > Fix by renaming "osc_hdmi" with "dummy", a clock which has already > > been used for missing source select bits. > > > > Tested on the BSH SystemMaster (SMM) S2 board. > > > > Fixes: 96d6392b54dbb ("clk: imx: Add support for i.MX8MN clock > > driver") > > Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> > > I don't think this is correct. It might even break the EVKs HDMI support. > > Peng, can you please confirm ? The reference manual not has osc hdmi as clk sel. So It is ok to use dummy. Regards, Peng. > > > --- > > > > (no changes since v1) > > > > drivers/clk/imx/clk-imx8mn.c | 12 ++++++------ > > 1 file changed, 6 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/clk/imx/clk-imx8mn.c > > b/drivers/clk/imx/clk-imx8mn.c index 72f9563a0ff6..0fae97e61e2c 100644 > > --- a/drivers/clk/imx/clk-imx8mn.c > > +++ b/drivers/clk/imx/clk-imx8mn.c > > @@ -108,27 +108,27 @@ static const char * const > imx8mn_disp_pixel_sels[] = {"osc_24m", "video_pll1_out > > "sys_pll3_out", > "clk_ext4", }; > > > > static const char * const imx8mn_sai2_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext3", "clk_ext4", }; > > > > static const char * const imx8mn_sai3_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext3", "clk_ext4", }; > > > > static const char * const imx8mn_sai5_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext2", "clk_ext3", }; > > > > static const char * const imx8mn_sai6_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext3", "clk_ext4", }; > > > > static const char * const imx8mn_sai7_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext3", "clk_ext4", }; > > > > static const char * const imx8mn_spdif1_sels[] = {"osc_24m", > "audio_pll1_out", "audio_pll2_out", > > - "video_pll1_out", > "sys_pll1_133m", "osc_hdmi", > > + "video_pll1_out", > "sys_pll1_133m", "dummy", > > "clk_ext2", "clk_ext3", }; > > > > static const char * const imx8mn_enet_ref_sels[] = {"osc_24m", > > "sys_pll2_125m", "sys_pll2_50m", > > -- > > 2.32.0 > >
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 72f9563a0ff6..0fae97e61e2c 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -108,27 +108,27 @@ static const char * const imx8mn_disp_pixel_sels[] = {"osc_24m", "video_pll1_out "sys_pll3_out", "clk_ext4", }; static const char * const imx8mn_sai2_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext3", "clk_ext4", }; static const char * const imx8mn_sai3_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext3", "clk_ext4", }; static const char * const imx8mn_sai5_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext2", "clk_ext3", }; static const char * const imx8mn_sai6_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext3", "clk_ext4", }; static const char * const imx8mn_sai7_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext3", "clk_ext4", }; static const char * const imx8mn_spdif1_sels[] = {"osc_24m", "audio_pll1_out", "audio_pll2_out", - "video_pll1_out", "sys_pll1_133m", "osc_hdmi", + "video_pll1_out", "sys_pll1_133m", "dummy", "clk_ext2", "clk_ext3", }; static const char * const imx8mn_enet_ref_sels[] = {"osc_24m", "sys_pll2_125m", "sys_pll2_50m",
There is no occurrence of the hdmi oscillator in the reference manual (document IMX8MNRM Rev 2, 07/2022). Further, if we consider the indexes 76-81 and 134 of the "Clock Root" table of chapter 5 of the RM, there is no entry for the source select bits 101b, which is the setting referenced by "osc_hdmi". Fix by renaming "osc_hdmi" with "dummy", a clock which has already been used for missing source select bits. Tested on the BSH SystemMaster (SMM) S2 board. Fixes: 96d6392b54dbb ("clk: imx: Add support for i.MX8MN clock driver") Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- (no changes since v1) drivers/clk/imx/clk-imx8mn.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)