From: "André Draszik" <andre.draszik@linaro.org>
To: Peter Griffin <peter.griffin@linaro.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
Will McVicker <willmcvicker@google.com>,
kernel-team@android.com, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/5] clk: samsung: gs101: add support for cmu_hsi2
Date: Fri, 26 Apr 2024 11:09:52 +0100 [thread overview]
Message-ID: <a9cce8beb999c3dcab73b66efeea64c7d9f05bb9.camel@linaro.org> (raw)
In-Reply-To: <20240426-hsi0-gs101-v2-5-2157da8b63e3@linaro.org>
On Fri, 2024-04-26 at 11:03 +0100, André Draszik wrote:
> From: Peter Griffin <peter.griffin@linaro.org>
>
> CMU_HSI2 is the clock management unit used for the hsi2 block.
> HSI stands for High Speed Interface and as such it generates
> clocks for PCIe, UFS and MMC card.
>
> This patch adds support for the muxes, dividers, and gates in
> cmu_hsi2.
>
> The following clocks are marked CLK_IS_CRITICAL as disabling
> them results in an immediate system hang.
> CLK_GOUT_HSI2_HSI2_CMU_HSI2_PCLK
> CLK_GOUT_HSI2_LHM_AXI_P_HSI2_I_CLK
>
> The following clocks are marked CLK_IGNORE_UNUSED as they are
> needed for UFS to be functional.
> CLK_GOUT_HSI2_SSMT_HSI2_ACLK
> CLK_GOUT_HSI2_SSMT_HSI2_PCLK
> CLK_GOUT_HSI2_LHS_ACEL_D_HSI2_I_CLK
> CLK_GOUT_HSI2_SYSMMU_HSI2_CLK_S2
> CLK_GOUT_HSI2_XIU_D_HSI2_ACLK
> CLK_GOUT_HSI2_XIU_P_HSI2_ACLK
>
> CLK_GOUT_HSI2_GPIO_HSI2_PCLK is marked CLK_IGNORE_UNUSED until
> the exynos pinctrl clock patches land then it can be removed.
>
> Some clocks in this unit have very long names. To help with this
> the clock name mangling strategy was updated to include removing
> the following sub-strings.
> - G4X2_DWC_PCIE_CTL_
> - G4X1_DWC_PCIE_CTL_
> - PCIE_SUB_CTRL_
> - INST_0_
> - LN05LPE_
> - TM_WRAPPER_
> - SF_
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> [AD: resolve merge conflicts]
> Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: André Draszik <andre.draszik@linaro.org>
prev parent reply other threads:[~2024-04-26 10:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-26 10:03 [PATCH v2 0/5] HSI0 and HSI2 support for Google Tensor gs101 André Draszik
2024-04-26 10:03 ` [PATCH v2 1/5] dt-bindings: clock: google,gs101-clock: add HSI2 clock management unit André Draszik
2024-04-26 10:50 ` Tudor Ambarus
2024-04-28 15:57 ` Krzysztof Kozlowski
2024-04-26 10:03 ` [PATCH v2 2/5] arm64: dts: exynos: gs101: enable cmu-hsi0 clock controller André Draszik
2024-04-28 16:11 ` (subset) " Krzysztof Kozlowski
2024-04-26 10:03 ` [PATCH v2 3/5] arm64: dts: exynos: gs101: enable cmu-hsi2 " André Draszik
2024-04-26 10:56 ` Tudor Ambarus
2024-04-26 10:03 ` [PATCH v2 4/5] clk: samsung: gs101: add support for cmu_hsi0 André Draszik
2024-04-28 16:11 ` (subset) " Krzysztof Kozlowski
2024-04-26 10:03 ` [PATCH v2 5/5] clk: samsung: gs101: add support for cmu_hsi2 André Draszik
2024-04-26 10:09 ` André Draszik [this message]
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