From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: linux-amarula@amarulasolutions.com,
Dario Binacchi <dario.binacchi@amarulasolutions.com>,
Abel Vesa <abelvesa@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
Michael Turquette <mturquette@baylibre.com>,
Peng Fan <peng.fan@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-clk@vger.kernel.org
Subject: [PATCH 3/6] clk: imx8mm: support spread spectrum clock generation
Date: Sat, 28 Sep 2024 10:37:51 +0200 [thread overview]
Message-ID: <20240928083804.1073942-4-dario.binacchi@amarulasolutions.com> (raw)
In-Reply-To: <20240928083804.1073942-1-dario.binacchi@amarulasolutions.com>
The patch adds support for spread spectrum clock generation for the
audio, video, and DRAM PLLs.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---
drivers/clk/imx/clk-imx8mm.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index 342049b847b9..0acf2979c929 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -301,6 +301,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
void __iomem *base;
+ struct imx_pll14xx_ssc pll1443x_ssc;
int ret;
clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
@@ -334,10 +335,14 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
hws[IMX8MM_ARM_PLL_REF_SEL] = imx_clk_hw_mux("arm_pll_ref_sel", base + 0x84, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
hws[IMX8MM_SYS_PLL3_REF_SEL] = imx_clk_hw_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels));
- hws[IMX8MM_AUDIO_PLL1] = imx_clk_hw_pll14xx("audio_pll1", "audio_pll1_ref_sel", base, &imx_1443x_pll);
- hws[IMX8MM_AUDIO_PLL2] = imx_clk_hw_pll14xx("audio_pll2", "audio_pll2_ref_sel", base + 0x14, &imx_1443x_pll);
- hws[IMX8MM_VIDEO_PLL1] = imx_clk_hw_pll14xx("video_pll1", "video_pll1_ref_sel", base + 0x28, &imx_1443x_pll);
- hws[IMX8MM_DRAM_PLL] = imx_clk_hw_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, &imx_1443x_dram_pll);
+ imx_clk_pll14xx_get_ssc_conf(np, IMX8MM_AUDIO_PLL1, &pll1443x_ssc);
+ hws[IMX8MM_AUDIO_PLL1] = imx_clk_hw_pll14xx_ssc("audio_pll1", "audio_pll1_ref_sel", base, &imx_1443x_pll, &pll1443x_ssc);
+ imx_clk_pll14xx_get_ssc_conf(np, IMX8MM_AUDIO_PLL2, &pll1443x_ssc);
+ hws[IMX8MM_AUDIO_PLL2] = imx_clk_hw_pll14xx_ssc("audio_pll2", "audio_pll2_ref_sel", base + 0x14, &imx_1443x_pll, &pll1443x_ssc);
+ imx_clk_pll14xx_get_ssc_conf(np, IMX8MM_VIDEO_PLL1, &pll1443x_ssc);
+ hws[IMX8MM_VIDEO_PLL1] = imx_clk_hw_pll14xx_ssc("video_pll1", "video_pll1_ref_sel", base + 0x28, &imx_1443x_pll, &pll1443x_ssc);
+ imx_clk_pll14xx_get_ssc_conf(np, IMX8MM_DRAM_PLL, &pll1443x_ssc);
+ hws[IMX8MM_DRAM_PLL] = imx_clk_hw_pll14xx_ssc("dram_pll", "dram_pll_ref_sel", base + 0x50, &imx_1443x_dram_pll, &pll1443x_ssc);
hws[IMX8MM_GPU_PLL] = imx_clk_hw_pll14xx("gpu_pll", "gpu_pll_ref_sel", base + 0x64, &imx_1416x_pll);
hws[IMX8MM_VPU_PLL] = imx_clk_hw_pll14xx("vpu_pll", "vpu_pll_ref_sel", base + 0x74, &imx_1416x_pll);
hws[IMX8MM_ARM_PLL] = imx_clk_hw_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, &imx_1416x_pll);
--
2.43.0
next prev parent reply other threads:[~2024-09-28 8:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-28 8:37 [PATCH 0/6] Support spread spectrum clocking for i.MX8{M,N,P} PLLs Dario Binacchi
2024-09-28 8:37 ` [PATCH 1/6] dt-bindings: clock: imx8m-anatop: support spread spectrum clocking Dario Binacchi
2024-09-28 12:09 ` Krzysztof Kozlowski
2024-09-29 20:00 ` Dario Binacchi
2024-09-30 6:45 ` Krzysztof Kozlowski
2024-10-01 6:29 ` Dario Binacchi
2024-10-03 10:46 ` Krzysztof Kozlowski
2024-10-05 8:57 ` Dario Binacchi
2024-10-06 13:13 ` Krzysztof Kozlowski
2024-10-07 15:02 ` Dario Binacchi
2024-10-08 8:20 ` Krzysztof Kozlowski
2024-10-08 9:16 ` Dario Binacchi
2024-10-23 14:58 ` Dario Binacchi
2024-10-23 17:49 ` Krzysztof Kozlowski
2024-10-28 10:32 ` Dario Binacchi
2024-09-28 8:37 ` [PATCH 2/6] clk: imx: pll14xx: support spread spectrum clock generation Dario Binacchi
2024-09-28 8:37 ` Dario Binacchi [this message]
2024-09-28 8:37 ` [PATCH 4/6] clk: imx8mn: " Dario Binacchi
2024-09-28 8:37 ` [PATCH 5/6] clk: imx8mp: don't lose the anatop device node Dario Binacchi
2024-09-28 8:37 ` [PATCH 6/6] clk: imx8mp: support spread spectrum clock generation Dario Binacchi
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