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From: Kevin Hilman <khilman@baylibre.com>
To: Neil Armstrong <narmstrong@baylibre.com>,
	sboyd@kernel.org, jbrunet@baylibre.com
Cc: linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH v2 0/4] clk: meson: g12a: add support for DVFS
Date: Thu, 08 Aug 2019 14:18:56 -0700	[thread overview]
Message-ID: <7hzhkje4ov.fsf@baylibre.com> (raw)
In-Reply-To: <20190731084019.8451-1-narmstrong@baylibre.com>

Neil Armstrong <narmstrong@baylibre.com> writes:

> The G12A/G12B Socs embeds a specific clock tree for each CPU cluster :
> cpu_clk / cpub_clk
> |   \- cpu_clk_dyn
> |      |  \- cpu_clk_premux0
> |      |        |- cpu_clk_postmux0
> |      |        |    |- cpu_clk_dyn0_div
> |      |        |    \- xtal/fclk_div2/fclk_div3
> |      |        \- xtal/fclk_div2/fclk_div3
> |      \- cpu_clk_premux1
> |            |- cpu_clk_postmux1
> |            |    |- cpu_clk_dyn1_div
> |            |    \- xtal/fclk_div2/fclk_div3
> |            \- xtal/fclk_div2/fclk_div3
> \ sys_pll / sys1_pll
>
> This patchset adds notifiers on cpu_clk / cpub_clk, cpu_clk_dyn,
> cpu_clk_premux0 and sys_pll / sys1_pll to permit change frequency of
> the CPU clock in a safe way as recommended by the vendor Documentation
> and reference code.
>
> This patchset :
> - introduces needed core and meson clk changes
> - adds the clock notifiers
>
> Dependencies:
> - None

nit: this doesn't apply to v5.3-rc, but appears to apply on
clk-meson/v5.4/drivers, so it appears to be dependent on the cleanups
from Alex.

Kevin

_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Neil Armstrong <narmstrong@baylibre.com>,
	sboyd@kernel.org, jbrunet@baylibre.com
Cc: Neil Armstrong <narmstrong@baylibre.com>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/4] clk: meson: g12a: add support for DVFS
Date: Thu, 08 Aug 2019 14:18:56 -0700	[thread overview]
Message-ID: <7hzhkje4ov.fsf@baylibre.com> (raw)
In-Reply-To: <20190731084019.8451-1-narmstrong@baylibre.com>

Neil Armstrong <narmstrong@baylibre.com> writes:

> The G12A/G12B Socs embeds a specific clock tree for each CPU cluster :
> cpu_clk / cpub_clk
> |   \- cpu_clk_dyn
> |      |  \- cpu_clk_premux0
> |      |        |- cpu_clk_postmux0
> |      |        |    |- cpu_clk_dyn0_div
> |      |        |    \- xtal/fclk_div2/fclk_div3
> |      |        \- xtal/fclk_div2/fclk_div3
> |      \- cpu_clk_premux1
> |            |- cpu_clk_postmux1
> |            |    |- cpu_clk_dyn1_div
> |            |    \- xtal/fclk_div2/fclk_div3
> |            \- xtal/fclk_div2/fclk_div3
> \ sys_pll / sys1_pll
>
> This patchset adds notifiers on cpu_clk / cpub_clk, cpu_clk_dyn,
> cpu_clk_premux0 and sys_pll / sys1_pll to permit change frequency of
> the CPU clock in a safe way as recommended by the vendor Documentation
> and reference code.
>
> This patchset :
> - introduces needed core and meson clk changes
> - adds the clock notifiers
>
> Dependencies:
> - None

nit: this doesn't apply to v5.3-rc, but appears to apply on
clk-meson/v5.4/drivers, so it appears to be dependent on the cleanups
from Alex.

Kevin

WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Neil Armstrong <narmstrong@baylibre.com>,
	sboyd@kernel.org, jbrunet@baylibre.com
Cc: linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH v2 0/4] clk: meson: g12a: add support for DVFS
Date: Thu, 08 Aug 2019 14:18:56 -0700	[thread overview]
Message-ID: <7hzhkje4ov.fsf@baylibre.com> (raw)
In-Reply-To: <20190731084019.8451-1-narmstrong@baylibre.com>

Neil Armstrong <narmstrong@baylibre.com> writes:

> The G12A/G12B Socs embeds a specific clock tree for each CPU cluster :
> cpu_clk / cpub_clk
> |   \- cpu_clk_dyn
> |      |  \- cpu_clk_premux0
> |      |        |- cpu_clk_postmux0
> |      |        |    |- cpu_clk_dyn0_div
> |      |        |    \- xtal/fclk_div2/fclk_div3
> |      |        \- xtal/fclk_div2/fclk_div3
> |      \- cpu_clk_premux1
> |            |- cpu_clk_postmux1
> |            |    |- cpu_clk_dyn1_div
> |            |    \- xtal/fclk_div2/fclk_div3
> |            \- xtal/fclk_div2/fclk_div3
> \ sys_pll / sys1_pll
>
> This patchset adds notifiers on cpu_clk / cpub_clk, cpu_clk_dyn,
> cpu_clk_premux0 and sys_pll / sys1_pll to permit change frequency of
> the CPU clock in a safe way as recommended by the vendor Documentation
> and reference code.
>
> This patchset :
> - introduces needed core and meson clk changes
> - adds the clock notifiers
>
> Dependencies:
> - None

nit: this doesn't apply to v5.3-rc, but appears to apply on
clk-meson/v5.4/drivers, so it appears to be dependent on the cleanups
from Alex.

Kevin

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-08-08 21:19 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31  8:40 [PATCH v2 0/4] clk: meson: g12a: add support for DVFS Neil Armstrong
2019-07-31  8:40 ` Neil Armstrong
2019-07-31  8:40 ` Neil Armstrong
2019-07-31  8:40 ` [PATCH v2 1/4] clk: core: introduce clk_hw_set_parent() Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-08-06  8:28   ` Jerome Brunet
2019-08-06  8:28     ` Jerome Brunet
2019-08-06  8:28     ` Jerome Brunet
2019-08-08  4:47     ` Stephen Boyd
2019-08-08  4:47       ` Stephen Boyd
2019-08-08  4:47       ` Stephen Boyd
2019-07-31  8:40 ` [PATCH v2 2/4] clk: meson: add g12a cpu dynamic divider driver Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-08-03 18:34   ` Martin Blumenstingl
2019-08-03 18:34     ` Martin Blumenstingl
2019-08-03 18:34     ` Martin Blumenstingl
2019-07-31  8:40 ` [PATCH v2 3/4] clk: meson: g12a: add notifiers to handle cpu clock change Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-07-31  8:40 ` [PATCH v2 4/4] clk: meson: g12a: expose CPUB clock ID for G12B Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-07-31  8:40   ` Neil Armstrong
2019-08-06  8:38 ` [PATCH v2 0/4] clk: meson: g12a: add support for DVFS Jerome Brunet
2019-08-06  8:38   ` Jerome Brunet
2019-08-06  8:38   ` Jerome Brunet
2019-08-08 21:18 ` Kevin Hilman [this message]
2019-08-08 21:18   ` Kevin Hilman
2019-08-08 21:18   ` Kevin Hilman
2019-08-09 13:02   ` Jerome Brunet
2019-08-09 13:02     ` Jerome Brunet
2019-08-09 13:02     ` Jerome Brunet
2019-08-09 17:55     ` Kevin Hilman
2019-08-09 17:55       ` Kevin Hilman
2019-08-09 17:55       ` Kevin Hilman

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