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Mon, 15 Jun 2020 04:41:50 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne Subject: [PATCH v5 19/27] clk: bcm: rpi: Add DT provider for the clocks Date: Mon, 15 Jun 2020 10:40:59 +0200 Message-Id: <4d8dbe4aaae98b3d3812ad7c3dba53d645cadbaf.1592210452.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200615_014151_896083_200FDD85 X-CRM114-Status: GOOD ( 11.40 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [66.111.4.224 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [66.111.4.224 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , Stephen Boyd , Mike Turquette , linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Philipp Zabel , Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org For the upcoming registration of the clocks provided by the firmware, make sure it's exposed to the device tree providers. Cc: Michael Turquette Cc: linux-clk@vger.kernel.org Acked-by: Nicolas Saenz Julienne Reviewed-by: Stephen Boyd Tested-by: Nicolas Saenz Julienne Signed-off-by: Maxime Ripard --- drivers/clk/bcm/clk-raspberrypi.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index d2cb90c086a7..5f4e2d49432f 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -31,6 +31,8 @@ #define A2W_PLL_FRAC_BITS 20 +#define NUM_FW_CLKS 16 + struct raspberrypi_clk { struct device *dev; struct rpi_firmware *firmware; @@ -282,11 +284,13 @@ static struct clk_hw *raspberrypi_register_pllb_arm(struct raspberrypi_clk *rpi) static int raspberrypi_clk_probe(struct platform_device *pdev) { + struct clk_hw_onecell_data *clk_data; struct device_node *firmware_node; struct device *dev = &pdev->dev; struct rpi_firmware *firmware; struct raspberrypi_clk *rpi; struct clk_hw *hw; + int ret; /* * We can be probed either through the an old-fashioned @@ -316,6 +320,11 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) rpi->firmware = firmware; platform_set_drvdata(pdev, rpi); + clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, NUM_FW_CLKS), + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + hw = raspberrypi_register_pllb(rpi); if (IS_ERR(hw)) { dev_err(dev, "Failed to initialize pllb, %ld\n", PTR_ERR(hw)); @@ -325,6 +334,13 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) hw = raspberrypi_register_pllb_arm(rpi); if (IS_ERR(hw)) return PTR_ERR(hw); + clk_data->hws[RPI_FIRMWARE_ARM_CLK_ID] = hw; + clk_data->num = RPI_FIRMWARE_ARM_CLK_ID + 1; + + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + clk_data); + if (ret) + return ret; rpi->cpufreq = platform_device_register_data(dev, "raspberrypi-cpufreq", -1, NULL, 0);