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[34.77.53.213]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46fb484d056sm46376895e9.9.2025.10.10.05.46.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Oct 2025 05:46:46 -0700 (PDT) From: Tudor Ambarus Date: Fri, 10 Oct 2025 12:46:33 +0000 Subject: [PATCH v6 3/6] firmware: exynos-acpm: register ACPM clocks pdev Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251010-acpm-clk-v6-3-321ee8826fd4@linaro.org> References: <20251010-acpm-clk-v6-0-321ee8826fd4@linaro.org> In-Reply-To: <20251010-acpm-clk-v6-0-321ee8826fd4@linaro.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Michael Turquette , Stephen Boyd , Krzysztof Kozlowski , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Catalin Marinas , Will Deacon Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1760100401; l=2732; i=tudor.ambarus@linaro.org; s=20241212; h=from:subject:message-id; bh=t1lPRTLbJh3Ia3iHDBwP0Q/txEDKq77Cj8s7vCWLHB4=; b=qk3U65kSz815bNfHe5stxRu4BJ0qvWZNQmQfMvtFvJGNAjNj9MvxWPW5Jp4sLvaf2hRaK3Jlg J1pvueABQIEBkgK0U/NX3fwYmXMxSALpy5zS1E7Te84RmsjTueCqo4C X-Developer-Key: i=tudor.ambarus@linaro.org; a=ed25519; pk=uQzE0NXo3dIjeowMTOPCpIiPHEz12IA/MbyzrZVh9WI= Register by hand a platform device for the ACPM clocks. The ACPM clocks are not modeled as a DT child of ACPM because: 1/ they don't have their own resources. 2/ they are not a block that can be reused. The clock identifying data is reduced (clock ID, clock name and mailbox channel ID) and may differ from a SoC to another. Signed-off-by: Tudor Ambarus Reviewed-by: Peter Griffin Tested-by: Peter Griffin # on gs101-oriole --- drivers/firmware/samsung/exynos-acpm.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/firmware/samsung/exynos-acpm.c b/drivers/firmware/samsung/exynos-acpm.c index 9fa0335ccf5db32892fdf09e8d4b0a885a8f8fb5..0cb269c7046015d4c5fe5731ba0d61d48dcaeee1 100644 --- a/drivers/firmware/samsung/exynos-acpm.c +++ b/drivers/firmware/samsung/exynos-acpm.c @@ -177,9 +177,11 @@ struct acpm_info { /** * struct acpm_match_data - of_device_id data. * @initdata_base: offset in SRAM where the channels configuration resides. + * @acpm_clk_dev_name: base name for the ACPM clocks device that we're registering. */ struct acpm_match_data { loff_t initdata_base; + const char *acpm_clk_dev_name; }; #define client_to_acpm_chan(c) container_of(c, struct acpm_chan, cl) @@ -604,9 +606,15 @@ static void acpm_setup_ops(struct acpm_info *acpm) pmic_ops->update_reg = acpm_pmic_update_reg; } +static void acpm_clk_pdev_unregister(void *data) +{ + platform_device_unregister(data); +} + static int acpm_probe(struct platform_device *pdev) { const struct acpm_match_data *match_data; + struct platform_device *acpm_clk_pdev; struct device *dev = &pdev->dev; struct device_node *shmem; struct acpm_info *acpm; @@ -647,6 +655,18 @@ static int acpm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, acpm); + acpm_clk_pdev = platform_device_register_data(dev, + match_data->acpm_clk_dev_name, + PLATFORM_DEVID_NONE, NULL, 0); + if (IS_ERR(acpm_clk_pdev)) + return dev_err_probe(dev, PTR_ERR(acpm_clk_pdev), + "Failed to register ACPM clocks device.\n"); + + ret = devm_add_action_or_reset(dev, acpm_clk_pdev_unregister, + acpm_clk_pdev); + if (ret) + return dev_err_probe(dev, ret, "Failed to add devm action.\n"); + return devm_of_platform_populate(dev); } @@ -746,6 +766,7 @@ EXPORT_SYMBOL_GPL(devm_acpm_get_by_node); static const struct acpm_match_data acpm_gs101 = { .initdata_base = ACPM_GS101_INITDATA_BASE, + .acpm_clk_dev_name = "gs101-acpm-clk", }; static const struct of_device_id acpm_match[] = { -- 2.51.0.740.g6adb054d12-goog