From: Rob Herring <robh@kernel.org>
To: Sowjanya Komatineni <skomatineni@nvidia.com>
Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, digetx@gmail.com,
mperttunen@nvidia.com, gregkh@linuxfoundation.org,
sboyd@kernel.org, tglx@linutronix.de, mark.rutland@arm.com,
allison@lohutok.net, pdeschrijver@nvidia.com,
pgaikwad@nvidia.com, mturquette@baylibre.com,
horms+renesas@verge.net.au, Jisheng.Zhang@synaptics.com,
krzk@kernel.org, arnd@arndb.de, spujar@nvidia.com,
josephl@nvidia.com, vidyas@nvidia.com, daniel.lezcano@linaro.org,
mmaddireddy@nvidia.com, markz@nvidia.com,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 15/17] dt-bindings: tegra186-pmc: Add Tegra PMC clock bindings
Date: Tue, 3 Dec 2019 16:11:37 -0600 [thread overview]
Message-ID: <20191203221137.GC22716@bogus> (raw)
In-Reply-To: <1574146234-3871-16-git-send-email-skomatineni@nvidia.com>
On Mon, Nov 18, 2019 at 10:50:32PM -0800, Sowjanya Komatineni wrote:
> Document clock bindings for pmc clocks clk_out_1, clk_out_2 and clk_out_3.
> These clocks are part of Tegra PMC block and pmc node is the provider for
> these clocks.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
> .../bindings/arm/tegra/nvidia,tegra186-pmc.txt | 44 ++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-pmc.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-pmc.txt
> index 2d89cdc39eb0..4576de92e4cc 100644
> --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-pmc.txt
> +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra186-pmc.txt
> @@ -12,6 +12,10 @@ Required properties:
> - "aotag"
> - "scratch"
> - "misc" (Only for Tegra194)
> +- #clock-cells : Should be 1 for Tegra30 and higher.
> + In clock consumers, this cell represents the PMC clock ID.
> + The assignments may be found in header file
> + <dt-bindings/soc/tegra-pmc.h>.
Kind of strange the header is shared, but the binding doc is not.
>
> Optional properties:
> - nvidia,invert-interrupt: If present, inverts the PMU interrupt signal.
> @@ -130,3 +134,43 @@ Pinctrl client example:
> pinctrl-1 = <&hdmi_on>;
> pinctrl-names = "hdmi-on", "hdmi-off";
> };
> +
> +== Clock Control ==
> +
> +Tegra PMC has 3 clocks clk_1, clk_2 and clk_3. Each of these clocks has
> +source selection and enable/disable gate.
> +Parent/source for these clocks can be either of clk_m, clk_m_div2, clk_m_div4,
> +or extern clock from Tegra CAR module.
> +
> +Clock configuration example:
> + pmc: pmc@7000e400 {
> + compatible = "nvidia,tegra186-pmc";
> + reg = <0 0x0c360000 0 0x10000>,
> + <0 0x0c370000 0 0x10000>,
> + <0 0x0c380000 0 0x10000>,
> + <0 0x0c390000 0 0x10000>;
> + reg-names = "pmc", "wake", "aotag", "scratch";
> + ...
> + #clock-cells = <1>;
> + ...
Once converted to schema, the examples have to compile and this won't.
They also have to be complete enough to pass validation checks.
> + };
> +
> +Clock consumer example:
> + host1x@50000000 {
> + ...
> + vi@54080000 {
> + ...
> + assigned-clocks = <&pmc TEGRA_PMC_CLK_OUT_3_MUX>;
> + assigned-clock-parents = <&tegra_car TEGRA210_CLK_EXTERN3>;
Indentation is wrong.
> + };
> + ...
> + };
> + ...
> + i2c@7000c500 {
> + cam_sensor {
> + ...
> + clocks = <&pmc TEGRA_PMC_CLK_OUT_3>;
> + clock-names = "mclk";
Same here.
> + ...
> + };
> + };
> --
> 2.7.4
>
next prev parent reply other threads:[~2019-12-03 22:11 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-19 6:50 [PATCH v1 00/17] Remove direct Tegra PMC access in clock driver Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 01/17] soc: tegra: pmc: Add helper functions for PLLM overrides Sowjanya Komatineni
2019-11-19 19:32 ` Dmitry Osipenko
2019-11-19 6:50 ` [PATCH v1 02/17] soc: tegra: pmc: Add helper function for PLLE IDDQ override Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 03/17] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock ids Sowjanya Komatineni
2019-12-03 22:08 ` Rob Herring
2019-12-03 22:19 ` Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 04/17] soc: tegra: Add Tegra PMC clock registrations into PMC driver Sowjanya Komatineni
2019-11-19 19:33 ` Dmitry Osipenko
2019-11-19 20:08 ` Sowjanya Komatineni
2019-11-19 20:29 ` Sowjanya Komatineni
2019-11-20 17:46 ` Dmitry Osipenko
2019-11-20 19:09 ` Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 05/17] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC blink control Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 06/17] soc: pmc: Add blink output clock registration to Tegra PMC Sowjanya Komatineni
2019-11-19 19:34 ` Dmitry Osipenko
2019-11-19 22:13 ` Sowjanya Komatineni
2019-11-20 2:09 ` Sowjanya Komatineni
2019-11-20 4:26 ` Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 07/17] clk: tegra: Use Tegra PMC helper functions for PLLM overrides Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 08/17] clk: tegra: Use Tegra PMC helper function for PLLE IDDQ Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 09/17] clk: tegra: Remove PMC base references from clock registration Sowjanya Komatineni
2019-11-19 19:33 ` Dmitry Osipenko
2019-11-19 6:50 ` [PATCH v1 10/17] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni
2019-11-19 19:33 ` Dmitry Osipenko
2019-11-19 6:50 ` [PATCH v1 11/17] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni
2019-12-03 22:07 ` Rob Herring
2019-12-03 22:11 ` Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 12/17] arm: tegra: Add clock-cells property to Tegra pmc Sowjanya Komatineni
2019-11-19 19:32 ` Dmitry Osipenko
2019-11-19 6:50 ` [PATCH v1 13/17] arm64: " Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 14/17] dt-bindings: Add Tegra PMC clock configuration bindings Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 15/17] dt-bindings: tegra186-pmc: Add Tegra PMC clock bindings Sowjanya Komatineni
2019-12-03 22:11 ` Rob Herring [this message]
2019-12-03 23:28 ` Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 16/17] arm64: tegra: smaug: Change clk_out_2 provider from tegra_car to pmc Sowjanya Komatineni
2019-11-19 6:50 ` [PATCH v1 17/17] ASoC: nau8825: change Tegra " Sowjanya Komatineni
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