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Mon, 19 Jul 2021 05:24:54 +0000 From: Jacky Bai To: shawnguo@kernel.org, robh+dt@kernel.org, sboyd@kernel.org, abel.vesa@nxp.com, s.hauer@pengutronix.de, p.zabel@pengutronix.de Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 7/9] clk: imx: Update the pfdv2 for 8ulp specific support Date: Mon, 19 Jul 2021 13:34:28 +0800 Message-Id: <20210719053430.1442505-8-ping.bai@nxp.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210719053430.1442505-1-ping.bai@nxp.com> References: <20210719053430.1442505-1-ping.bai@nxp.com> X-ClientProxiedBy: SG2PR06CA0126.apcprd06.prod.outlook.com (2603:1096:1:1d::28) To DBBPR04MB7930.eurprd04.prod.outlook.com (2603:10a6:10:1ea::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR06CA0126.apcprd06.prod.outlook.com (2603:1096:1:1d::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.21 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f325522d-d441-4eff-6177-08d94a758a63 X-MS-Exchange-CrossTenant-AuthSource: DBBPR04MB7930.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jul 2021 05:24:54.4805 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: p9Jab+HutumJBL5A4RxJ1gXjJptpSnJKAe0jGB6wdIHEFa66r/inbx1vTgtQIHgfIHFF6xK3nm0lhK028hOn0A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5244 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On i.MX8ULP, the 'CLK_SET_RATE_PARENT' flag should NOT be set and according to the laest RM, the PFD divider value range seems will be changed in the future, so update the pfdv2 to include the specific support for i.MX8ULP. Signed-off-by: Jacky Bai --- drivers/clk/imx/clk-imx7ulp.c | 16 ++++++++-------- drivers/clk/imx/clk-pfdv2.c | 9 ++++++--- drivers/clk/imx/clk.h | 9 +++++++-- 3 files changed, 21 insertions(+), 13 deletions(-) diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c index ba50d6db8097..b6e45e77ee39 100644 --- a/drivers/clk/imx/clk-imx7ulp.c +++ b/drivers/clk/imx/clk-imx7ulp.c @@ -82,16 +82,16 @@ static void __init imx7ulp_clk_scg1_init(struct device_node *np) hws[IMX7ULP_CLK_SPLL] = imx_clk_hw_pllv4(IMX_PLLV4_IMX7ULP, "spll", "spll_pre_div", base + 0x600); /* APLL PFDs */ - hws[IMX7ULP_CLK_APLL_PFD0] = imx_clk_hw_pfdv2("apll_pfd0", "apll", base + 0x50c, 0); - hws[IMX7ULP_CLK_APLL_PFD1] = imx_clk_hw_pfdv2("apll_pfd1", "apll", base + 0x50c, 1); - hws[IMX7ULP_CLK_APLL_PFD2] = imx_clk_hw_pfdv2("apll_pfd2", "apll", base + 0x50c, 2); - hws[IMX7ULP_CLK_APLL_PFD3] = imx_clk_hw_pfdv2("apll_pfd3", "apll", base + 0x50c, 3); + hws[IMX7ULP_CLK_APLL_PFD0] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd0", "apll", base + 0x50c, 0); + hws[IMX7ULP_CLK_APLL_PFD1] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd1", "apll", base + 0x50c, 1); + hws[IMX7ULP_CLK_APLL_PFD2] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd2", "apll", base + 0x50c, 2); + hws[IMX7ULP_CLK_APLL_PFD3] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd3", "apll", base + 0x50c, 3); /* SPLL PFDs */ - hws[IMX7ULP_CLK_SPLL_PFD0] = imx_clk_hw_pfdv2("spll_pfd0", "spll", base + 0x60C, 0); - hws[IMX7ULP_CLK_SPLL_PFD1] = imx_clk_hw_pfdv2("spll_pfd1", "spll", base + 0x60C, 1); - hws[IMX7ULP_CLK_SPLL_PFD2] = imx_clk_hw_pfdv2("spll_pfd2", "spll", base + 0x60C, 2); - hws[IMX7ULP_CLK_SPLL_PFD3] = imx_clk_hw_pfdv2("spll_pfd3", "spll", base + 0x60C, 3); + hws[IMX7ULP_CLK_SPLL_PFD0] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd0", "spll", base + 0x60C, 0); + hws[IMX7ULP_CLK_SPLL_PFD1] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd1", "spll", base + 0x60C, 1); + hws[IMX7ULP_CLK_SPLL_PFD2] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd2", "spll", base + 0x60C, 2); + hws[IMX7ULP_CLK_SPLL_PFD3] = imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd3", "spll", base + 0x60C, 3); /* PLL Mux */ hws[IMX7ULP_CLK_APLL_PFD_SEL] = imx_clk_hw_mux_flags("apll_pfd_sel", base + 0x508, 14, 2, apll_pfd_sels, ARRAY_SIZE(apll_pfd_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE); diff --git a/drivers/clk/imx/clk-pfdv2.c b/drivers/clk/imx/clk-pfdv2.c index 9cba83521988..42505669cdfb 100644 --- a/drivers/clk/imx/clk-pfdv2.c +++ b/drivers/clk/imx/clk-pfdv2.c @@ -200,8 +200,8 @@ static const struct clk_ops clk_pfdv2_ops = { .is_enabled = clk_pfdv2_is_enabled, }; -struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name, - void __iomem *reg, u8 idx) +struct clk_hw *imx_clk_hw_pfdv2(enum imx_pfdv2_type type, const char *name, + const char *parent_name, void __iomem *reg, u8 idx) { struct clk_init_data init; struct clk_pfdv2 *pfd; @@ -223,7 +223,10 @@ struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name, init.ops = &clk_pfdv2_ops; init.parent_names = &parent_name; init.num_parents = 1; - init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT; + if (type == IMX_PFDV2_IMX7ULP) + init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT; + else + init.flags = CLK_SET_RATE_GATE; pfd->hw.init = &init; diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 2acac152c4aa..76de2972d021 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -47,6 +47,11 @@ enum imx_pllv4_type { IMX_PLLV4_IMX8ULP, }; +enum imx_pfdv2_type { + IMX_PFDV2_IMX7ULP, + IMX_PFDV2_IMX8ULP, +}; + /* NOTE: Rate table should be kept sorted in descending order. */ struct imx_pll14xx_rate_table { unsigned int rate; @@ -220,8 +225,8 @@ struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent, struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name, void __iomem *reg, u8 idx); -struct clk_hw *imx_clk_hw_pfdv2(const char *name, const char *parent_name, - void __iomem *reg, u8 idx); +struct clk_hw *imx_clk_hw_pfdv2(enum imx_pfdv2_type type, const char *name, + const char *parent_name, void __iomem *reg, u8 idx); struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name, void __iomem *reg, u8 shift, u8 width,