From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0E8F321277; Thu, 18 Sep 2025 21:16:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758230206; cv=none; b=iXOmqrlBF/IoXuftYdLix3bW7mKPWcKXJQrKxgA1D9Krw3C1JbSr6Ak5dQ/N4avfAnMzqdRvIZTPAIMWx+wcPVVbw1FB3Wdt4/Uree7cOfF0CjpcYW99DPXMceEtxuZDnXVIRTr0zXUlDJacxEyKl8uP4njQT35uHVQo/BOCzD8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758230206; c=relaxed/simple; bh=XCKw/fzhILEu49Iq3bKLiDkP1UiVyTS4zAjU4YzgJmU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KqrEH2QfGU8zkK2X0D6Cu3oz0qWkK65Bru0RrZzrG1vrqHikRdRJ0krM/pg8FUFSRa3o3gzKrs1HjMmHSEp1XM2LyX/7JKZswa+4jiVTaRMVgl9yKw9dZmjwQct6eg1mDSwEw3dIrB49xAJqjELxBv/cPPw+byKOepEqoGsZgqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=lVA88iBH; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="lVA88iBH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1758230204; x=1789766204; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XCKw/fzhILEu49Iq3bKLiDkP1UiVyTS4zAjU4YzgJmU=; b=lVA88iBH6+Wdhsm/zgy/+waXbvpbehcBm20FajJeAPYQd7bK/4r71Nuq X7bSMBAG4UhTiIMTxBlN4Bbzc+7kUhEz/IODdWaDATBO3zW4qUiaFdrsJ 7z0rzefJMdK2ANoGoxX6zdCDPBXIFhYpATTRICFkRN0ZKlcegxOTLxFZW lt2oI87k+Xgjg3Lvl/MBjKRlis73sZ9MqaWtH75XMNvVqvkCEh72qu28H QarM1uvSk96j4XZTd7h/pOBHTPnYPsDeslUJWrWAO158MWDcMfVBqYX0P ZuQ9ZEjrVVzlDDZ7ejeGF2lOa53nKb/2eoqh24O0CQRMRqqV15du6D1aK Q==; X-CSE-ConnectionGUID: 31sRM3ybQuOqhqj3gb2ViA== X-CSE-MsgGUID: LDGvG1grRlSsjNlf0ectfA== X-IronPort-AV: E=Sophos;i="6.18,276,1751266800"; d="scan'208";a="278071403" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 18 Sep 2025 14:16:28 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.58; Thu, 18 Sep 2025 14:15:54 -0700 Received: from ryan-Precision-3630-Tower.microchip.com (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Thu, 18 Sep 2025 14:15:54 -0700 From: To: , , , , CC: , , , Subject: [PATCH v4 27/31] clk: at91: at91rm9200: switch to parent_hw and parent_data Date: Thu, 18 Sep 2025 14:16:09 -0700 Message-ID: <95a91edf982c6a567640b226dfea75e2fdcaf93b.1758226719.git.Ryan.Wanner@microchip.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain From: Claudiu Beznea Switch AT91RM9200 clocks to use parent_hw and parent_data. Having parent_hw instead of parent names improves to clock registration speed and re-parenting. Signed-off-by: Claudiu Beznea Signed-off-by: Ryan Wanner --- drivers/clk/at91/at91rm9200.c | 79 ++++++++++++++++++++--------------- 1 file changed, 46 insertions(+), 33 deletions(-) diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c index 623e232ec9c6..20bb51ec683f 100644 --- a/drivers/clk/at91/at91rm9200.c +++ b/drivers/clk/at91/at91rm9200.c @@ -11,7 +11,7 @@ static DEFINE_SPINLOCK(rm9200_mck_lock); struct sck { char *n; - char *p; + struct clk_hw *parent_hw; u8 id; }; @@ -39,13 +39,13 @@ static const struct clk_pll_characteristics rm9200_pll_characteristics = { .out = rm9200_pll_out, }; -static const struct sck at91rm9200_systemck[] = { - { .n = "udpck", .p = "usbck", .id = 1 }, - { .n = "uhpck", .p = "usbck", .id = 4 }, - { .n = "pck0", .p = "prog0", .id = 8 }, - { .n = "pck1", .p = "prog1", .id = 9 }, - { .n = "pck2", .p = "prog2", .id = 10 }, - { .n = "pck3", .p = "prog3", .id = 11 }, +static struct sck at91rm9200_systemck[] = { + { .n = "udpck", .id = 1 }, + { .n = "uhpck", .id = 4 }, + { .n = "pck0", .id = 8 }, + { .n = "pck1", .id = 9 }, + { .n = "pck2", .id = 10 }, + { .n = "pck3", .id = 11 }, }; static const struct pck at91rm9200_periphck[] = { @@ -77,11 +77,11 @@ static const struct pck at91rm9200_periphck[] = { static void __init at91rm9200_pmc_setup(struct device_node *np) { const char *slowxtal_name, *mainxtal_name; + struct clk_hw *usbck_hw, *main_osc_hw, *hw; + struct clk_parent_data parent_data[6]; struct pmc_data *at91rm9200_pmc; u32 usb_div[] = { 1, 2, 0, 0 }; - const char *parent_names[6]; struct regmap *regmap; - struct clk_hw *hw; int i; bool bypass; @@ -108,18 +108,21 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) bypass = of_property_read_bool(np, "atmel,osc-bypass"); - hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, NULL, - bypass); - if (IS_ERR(hw)) + main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL, + &AT91_CLK_PD_NAME(mainxtal_name), + bypass); + if (IS_ERR(main_osc_hw)) goto err_free; - hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc", NULL); + hw = at91_clk_register_rm9200_main(regmap, "mainck", NULL, + &AT91_CLK_PD_HW(main_osc_hw)); if (IS_ERR(hw)) goto err_free; at91rm9200_pmc->chws[PMC_MAIN] = hw; - hw = at91_clk_register_pll(regmap, "pllack", "mainck", NULL, 0, + hw = at91_clk_register_pll(regmap, "pllack", NULL, + &AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_MAIN]), 0, &at91rm9200_pll_layout, &rm9200_pll_characteristics); if (IS_ERR(hw)) @@ -127,7 +130,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) at91rm9200_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_pll(regmap, "pllbck", "mainck", NULL, 1, + hw = at91_clk_register_pll(regmap, "pllbck", NULL, + &AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_MAIN]), 1, &at91rm9200_pll_layout, &rm9200_pll_characteristics); if (IS_ERR(hw)) @@ -135,20 +139,19 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) at91rm9200_pmc->chws[PMC_PLLBCK] = hw; - parent_names[0] = slowxtal_name; - parent_names[1] = "mainck"; - parent_names[2] = "pllack"; - parent_names[3] = "pllbck"; + parent_data[0] = AT91_CLK_PD_NAME(slowxtal_name); + parent_data[1] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_MAIN]); + parent_data[2] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_PLLACK]); + parent_data[3] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_PLLBCK]); hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, - parent_names, NULL, + NULL, parent_data, &at91rm9200_master_layout, &rm9200_mck_characteristics, &rm9200_mck_lock); if (IS_ERR(hw)) goto err_free; - hw = at91_clk_register_master_div(regmap, "masterck_div", - "masterck_pres", NULL, + hw = at91_clk_register_master_div(regmap, "masterck_div", NULL, &AT91_CLK_PD_HW(hw), &at91rm9200_master_layout, &rm9200_mck_characteristics, &rm9200_mck_lock, CLK_SET_RATE_GATE, 0); @@ -157,21 +160,23 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) at91rm9200_pmc->chws[PMC_MCK] = hw; - hw = at91rm9200_clk_register_usb(regmap, "usbck", "pllbck", NULL, usb_div); - if (IS_ERR(hw)) + usbck_hw = at91rm9200_clk_register_usb(regmap, "usbck", NULL, + &AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_PLLBCK]), + usb_div); + if (IS_ERR(usbck_hw)) goto err_free; - parent_names[0] = slowxtal_name; - parent_names[1] = "mainck"; - parent_names[2] = "pllack"; - parent_names[3] = "pllbck"; + parent_data[0] = AT91_CLK_PD_NAME(slowxtal_name); + parent_data[1] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_MAIN]); + parent_data[2] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_PLLACK]); + parent_data[3] = AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_PLLBCK]); for (i = 0; i < 4; i++) { char name[6]; snprintf(name, sizeof(name), "prog%d", i); hw = at91_clk_register_programmable(regmap, name, - parent_names, NULL, 4, i, + NULL, parent_data, 4, i, &at91rm9200_programmable_layout, NULL); if (IS_ERR(hw)) @@ -180,9 +185,16 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) at91rm9200_pmc->pchws[i] = hw; } + /* Set systemck parent hws. */ + at91rm9200_systemck[0].parent_hw = usbck_hw; + at91rm9200_systemck[1].parent_hw = usbck_hw; + at91rm9200_systemck[2].parent_hw = at91rm9200_pmc->pchws[0]; + at91rm9200_systemck[3].parent_hw = at91rm9200_pmc->pchws[1]; + at91rm9200_systemck[4].parent_hw = at91rm9200_pmc->pchws[2]; + at91rm9200_systemck[5].parent_hw = at91rm9200_pmc->pchws[3]; for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { - hw = at91_clk_register_system(regmap, at91rm9200_systemck[i].n, - at91rm9200_systemck[i].p, NULL, + hw = at91_clk_register_system(regmap, at91rm9200_systemck[i].n, NULL, + &AT91_CLK_PD_HW(at91rm9200_systemck[i].parent_hw), at91rm9200_systemck[i].id, 0); if (IS_ERR(hw)) goto err_free; @@ -193,7 +205,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91rm9200_periphck); i++) { hw = at91_clk_register_peripheral(regmap, at91rm9200_periphck[i].n, - "masterck_div", NULL, + NULL, + &AT91_CLK_PD_HW(at91rm9200_pmc->chws[PMC_MCK]), at91rm9200_periphck[i].id); if (IS_ERR(hw)) goto err_free; -- 2.43.0