From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
thierry.reding@gmail.com, jonathanh@nvidia.com,
mperttunen@nvidia.com, gregkh@linuxfoundation.org,
sboyd@kernel.org, tglx@linutronix.de, robh+dt@kernel.org,
mark.rutland@arm.com
Cc: 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 v2 04/11] soc: pmc: Add blink output clock registration to Tegra PMC
Date: Thu, 28 Nov 2019 16:07:04 +0300 [thread overview]
Message-ID: <10a147f0-9b8e-7212-fefe-027091fe4bf7@gmail.com> (raw)
In-Reply-To: <1574830773-14892-5-git-send-email-skomatineni@nvidia.com>
27.11.2019 07:59, Sowjanya Komatineni пишет:
> Tegra PMC has blink control to output 32 Khz clock out to Tegra
> blink pin. Blink pad DPD state and enable controls are part of
> Tegra PMC register space.
>
> Currently Tegra clock driver registers blink control by passing
> PMC address and register offset to clk_register_gate which performs
> direct PMC access during clk_ops and with this when PMC is in secure
> mode, any access from non-secure world does not go through.
>
> This patch adds blink control registration to the Tegra PMC driver
> using PMC specific clock gate operations that use tegra_pmc_readl
> and tegra_pmc_writel to support both secure mode and non-secure
> mode PMC register access.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
> drivers/soc/tegra/pmc.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
>
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index a353f6d0a832..1cfb7797dbd5 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -61,12 +61,15 @@
> #define PMC_CNTRL_SYSCLK_OE BIT(11) /* system clock enable */
> #define PMC_CNTRL_SYSCLK_POLARITY BIT(10) /* sys clk polarity */
> #define PMC_CNTRL_PWRREQ_POLARITY BIT(8)
> +#define PMC_CNTRL_BLINK_EN BIT(7)
> #define PMC_CNTRL_MAIN_RST BIT(4)
>
> #define PMC_WAKE_MASK 0x0c
> #define PMC_WAKE_LEVEL 0x10
> #define PMC_WAKE_STATUS 0x14
> #define PMC_SW_WAKE_STATUS 0x18
> +#define PMC_DPD_PADS_ORIDE 0x1c
> +#define PMC_DPD_PADS_ORIDE_BLINK BIT(20)
>
> #define DPD_SAMPLE 0x020
> #define DPD_SAMPLE_ENABLE BIT(0)
> @@ -79,6 +82,7 @@
>
> #define PWRGATE_STATUS 0x38
>
> +#define TEGRA210_PMC_BLINK_TIMER 0x40
This register is common for all Tegra SoCs, therefore TEGRA210_ prefix
isn't needed.
next prev parent reply other threads:[~2019-11-28 13:07 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 4:59 [PATCH v2 00/11] Move PMC clocks into Tegra PMC driver Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 01/11] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock ids Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 02/11] soc: tegra: Add Tegra PMC clock registrations into PMC driver Sowjanya Komatineni
2019-11-27 14:32 ` Dmitry Osipenko
2019-11-27 14:32 ` Dmitry Osipenko
2019-11-27 15:14 ` Dmitry Osipenko
2019-11-27 22:57 ` Sowjanya Komatineni
2019-11-28 13:25 ` Dmitry Osipenko
2019-12-02 20:09 ` Sowjanya Komatineni
2019-12-02 21:50 ` Dmitry Osipenko
2019-12-02 22:58 ` Sowjanya Komatineni
2019-12-02 23:10 ` Sowjanya Komatineni
2019-12-02 23:14 ` Sowjanya Komatineni
2019-12-03 0:07 ` Sowjanya Komatineni
2019-12-03 16:45 ` Sowjanya Komatineni
2019-12-04 13:39 ` Dmitry Osipenko
2019-12-04 16:02 ` Sowjanya Komatineni
2019-12-04 20:08 ` Sowjanya Komatineni
2019-12-04 20:28 ` Dmitry Osipenko
2019-12-04 20:33 ` Sowjanya Komatineni
2019-12-04 21:12 ` Dmitry Osipenko
2019-12-04 21:26 ` Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 03/11] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC blink control Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 04/11] soc: pmc: Add blink output clock registration to Tegra PMC Sowjanya Komatineni
2019-11-28 13:07 ` Dmitry Osipenko [this message]
2019-11-27 4:59 ` [PATCH v2 05/11] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 06/11] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni
2019-11-27 14:32 ` Dmitry Osipenko
2019-11-27 17:06 ` Sowjanya Komatineni
2019-11-28 12:18 ` Thierry Reding
2019-11-28 13:07 ` Dmitry Osipenko
2019-11-27 4:59 ` [PATCH v2 07/11] arm: tegra: Add clock-cells property to Tegra PMC Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 08/11] arm64: tegra: Add clock-cells property to Tegra pmc Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 09/11] dt-bindings: Add Tegra PMC clock configuration bindings Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 10/11] arm64: tegra: smaug: Change clk_out_2 provider from tegra_car to pmc Sowjanya Komatineni
2019-11-27 4:59 ` [PATCH v2 11/11] ASoC: nau8825: change Tegra " Sowjanya Komatineni
2019-11-27 14:31 ` [PATCH v2 00/11] Move PMC clocks into Tegra PMC driver Dmitry Osipenko
2019-11-27 17:02 ` Sowjanya Komatineni
2019-11-27 21:38 ` Sowjanya Komatineni
2019-11-28 13:06 ` Dmitry Osipenko
2019-12-02 17:09 ` Dmitry Osipenko
2019-12-02 18:47 ` Sowjanya Komatineni
2019-11-28 12:26 ` Thierry Reding
2019-11-28 13:10 ` Dmitry Osipenko
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