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Wed, 9 Sep 2020 13:44:54 -0700 Received: from [10.18.5.8] (helo=xsjamitsuni51.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1kG6xa-0007dJ-AZ; Wed, 09 Sep 2020 13:44:54 -0700 From: Amit Sunil Dhamne To: mturquette@baylibre.com, m.tretter@pengutronix.de, sboyd@kernel.org, michal.simek@xilinx.com, mark.rutland@arm.com, linux-clk@vger.kernel.org Cc: rajanv@xilinx.com, jollys@xilinx.com, tejasp@xilinx.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rajan Vaja , Tejas Patel , Amit Sunil Dhamne Subject: [PATCH v4 2/3] clk: zynqmp: Use firmware specific divider clock flags Date: Wed, 9 Sep 2020 13:44:47 -0700 Message-Id: <1599684288-20917-3-git-send-email-amit.sunil.dhamne@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1599684288-20917-1-git-send-email-amit.sunil.dhamne@xilinx.com> References: <1599684288-20917-1-git-send-email-amit.sunil.dhamne@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 0aac3241-ddcf-4962-4747-08d855013865 X-MS-TrafficTypeDiagnostic: SN6PR02MB4782: X-Microsoft-Antispam-PRVS: Content-Transfer-Encoding: quoted-printable X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:873; 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Signed-off-by: Rajan Vaja Signed-off-by: Tejas Patel Signed-off-by: Amit Sunil Dhamne --- drivers/clk/zynqmp/clk-zynqmp.h | 9 +++++++++ drivers/clk/zynqmp/divider.c | 25 ++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqm= p.h index 974d3da..9b2ff35e 100644 --- a/drivers/clk/zynqmp/clk-zynqmp.h +++ b/drivers/clk/zynqmp/clk-zynqmp.h @@ -32,6 +32,15 @@ /* do not gate, ever */ #define ZYNQMP_CLK_IS_CRITICAL BIT(11) +/* Type Flags for divider clock */ +#define ZYNQMP_CLK_DIVIDER_ONE_BASED BIT(0) +#define ZYNQMP_CLK_DIVIDER_POWER_OF_TWO BIT(1) +#define ZYNQMP_CLK_DIVIDER_ALLOW_ZERO BIT(2) +#define ZYNQMP_CLK_DIVIDER_HIWORD_MASK BIT(3) +#define ZYNQMP_CLK_DIVIDER_ROUND_CLOSEST BIT(4) +#define ZYNQMP_CLK_DIVIDER_READ_ONLY BIT(5) +#define ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO BIT(6) + enum topology_type { TYPE_INVALID, TYPE_MUX, diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 775d54f..14adba0 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -283,6 +283,29 @@ static u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 = type) return ret_payload[1]; } +static inline unsigned long zynqmp_clk_map_divider_ccf_flags( + const u32 zynqmp_type_flag) +{ + unsigned long ccf_flag =3D 0; + + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ONE_BASED) + ccf_flag |=3D CLK_DIVIDER_ONE_BASED; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO) + ccf_flag |=3D CLK_DIVIDER_POWER_OF_TWO; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ALLOW_ZERO) + ccf_flag |=3D CLK_DIVIDER_ALLOW_ZERO; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO) + ccf_flag |=3D CLK_DIVIDER_HIWORD_MASK; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ROUND_CLOSEST) + ccf_flag |=3D CLK_DIVIDER_ROUND_CLOSEST; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_READ_ONLY) + ccf_flag |=3D CLK_DIVIDER_READ_ONLY; + if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO) + ccf_flag |=3D CLK_DIVIDER_MAX_AT_ZERO; + + return ccf_flag; +} + /** * zynqmp_clk_register_divider() - Register a divider clock * @name: Name of this clock @@ -320,7 +343,7 @@ struct clk_hw *zynqmp_clk_register_divider(const char *= name, /* struct clk_divider assignments */ div->is_frac =3D !!((nodes->flag & CLK_FRAC) | (nodes->custom_type_flag & CUSTOM_FLAG_CLK_FRAC))= ; - div->flags =3D nodes->type_flag; + div->flags =3D zynqmp_clk_map_divider_ccf_flags(nodes->type_flag); div->hw.init =3D &init; div->clk_id =3D clk_id; div->div_type =3D nodes->type; -- 2.7.4 This email and any attachments are intended for the sole use of the named r= ecipient(s) and contain(s) confidential information that may be proprietary= , privileged or copyrighted under applicable law. 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