From patchwork Tue May 3 21:20:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 1625871 X-Patchwork-Delegate: andre.przywara@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4KtCZR5Y0Sz9sG3 for ; Wed, 4 May 2022 07:21:35 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 8AA7B83C7B; Tue, 3 May 2022 23:21:10 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id 2812A83D07; Tue, 3 May 2022 23:21:05 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by phobos.denx.de (Postfix) with ESMTP id 06B9080A4F for ; Tue, 3 May 2022 23:21:01 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=andre.przywara@arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 54ECD13D5; Tue, 3 May 2022 14:21:00 -0700 (PDT) Received: from slackpad.fritz.box (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9ABC73FA53; Tue, 3 May 2022 14:20:58 -0700 (PDT) From: Andre Przywara To: Jagan Teki Cc: Jesse Taube , Icenowy Zheng , Yifan Gu , Giulio Benetti , George Hilliard , Samuel Holland , Jernej Skrabec , linux-sunxi@lists.linux.dev, u-boot@lists.denx.de Subject: [PATCH 1/7] clk: sunxi: implement clock driver for suniv f1c100s Date: Tue, 3 May 2022 22:20:34 +0100 Message-Id: <20220503212040.27884-2-andre.przywara@arm.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220503212040.27884-1-andre.przywara@arm.com> References: <20220503212040.27884-1-andre.przywara@arm.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean From: George Hilliard The f1c100s has a clock tree similar to those of other sunxi parts. Add support for it. Signed-off-by: George Hilliard Signed-off-by: Yifan Gu Acked-by: Sean Anderson [Andre: add PIO and I2C] Signed-off-by: Andre Przywara --- drivers/clk/sunxi/Kconfig | 7 ++++ drivers/clk/sunxi/Makefile | 1 + drivers/clk/sunxi/clk_f1c100s.c | 74 +++++++++++++++++++++++++++++++++ 3 files changed, 82 insertions(+) create mode 100644 drivers/clk/sunxi/clk_f1c100s.c diff --git a/drivers/clk/sunxi/Kconfig b/drivers/clk/sunxi/Kconfig index f19908113e1..bf11fad6eef 100644 --- a/drivers/clk/sunxi/Kconfig +++ b/drivers/clk/sunxi/Kconfig @@ -10,6 +10,13 @@ config CLK_SUNXI if CLK_SUNXI +config CLK_SUNIV_F1C100S + bool "Clock driver for Allwinner F1C100s" + default MACH_SUNIV + help + This enables common clock driver support for platforms based + on Allwinner F1C100s SoC. + config CLK_SUN4I_A10 bool "Clock driver for Allwinner A10/A20" default MACH_SUN4I || MACH_SUN7I diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile index 48a48a2f000..895da02ebea 100644 --- a/drivers/clk/sunxi/Makefile +++ b/drivers/clk/sunxi/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_CLK_SUNXI) += clk_sunxi.o obj-$(CONFIG_CLK_SUNXI) += clk_sun6i_rtc.o +obj-$(CONFIG_CLK_SUNIV_F1C100S) += clk_f1c100s.o obj-$(CONFIG_CLK_SUN4I_A10) += clk_a10.o obj-$(CONFIG_CLK_SUN5I_A10S) += clk_a10s.o obj-$(CONFIG_CLK_SUN6I_A31) += clk_a31.o diff --git a/drivers/clk/sunxi/clk_f1c100s.c b/drivers/clk/sunxi/clk_f1c100s.c new file mode 100644 index 00000000000..72cf8a6e5c0 --- /dev/null +++ b/drivers/clk/sunxi/clk_f1c100s.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: (GPL-2.0+) +/* + * Copyright (C) 2019 George Hilliard . + */ + +#include +#include +#include +#include +#include +#include +#include + +static struct ccu_clk_gate f1c100s_gates[] = { + [CLK_BUS_MMC0] = GATE(0x060, BIT(8)), + [CLK_BUS_MMC1] = GATE(0x060, BIT(9)), + [CLK_BUS_SPI0] = GATE(0x060, BIT(20)), + [CLK_BUS_SPI1] = GATE(0x060, BIT(21)), + [CLK_BUS_OTG] = GATE(0x060, BIT(24)), + + [CLK_BUS_I2C0] = GATE(0x068, BIT(16)), + [CLK_BUS_I2C1] = GATE(0x068, BIT(17)), + [CLK_BUS_I2C2] = GATE(0x068, BIT(18)), + [CLK_BUS_PIO] = GATE(0x068, BIT(19)), + + [CLK_BUS_UART0] = GATE(0x06c, BIT(20)), + [CLK_BUS_UART1] = GATE(0x06c, BIT(21)), + [CLK_BUS_UART2] = GATE(0x06c, BIT(22)), + + [CLK_USB_PHY0] = GATE(0x0cc, BIT(1)), +}; + +static struct ccu_reset f1c100s_resets[] = { + [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), + + [RST_BUS_MMC0] = RESET(0x2c0, BIT(8)), + [RST_BUS_MMC1] = RESET(0x2c0, BIT(9)), + [RST_BUS_SPI0] = RESET(0x2c0, BIT(20)), + [RST_BUS_SPI1] = RESET(0x2c0, BIT(21)), + [RST_BUS_OTG] = RESET(0x2c0, BIT(24)), + + [RST_BUS_I2C0] = RESET(0x2d0, BIT(16)), + [RST_BUS_I2C1] = RESET(0x2d0, BIT(17)), + [RST_BUS_I2C2] = RESET(0x2d0, BIT(18)), + [RST_BUS_UART0] = RESET(0x2d0, BIT(20)), + [RST_BUS_UART1] = RESET(0x2d0, BIT(21)), + [RST_BUS_UART2] = RESET(0x2d0, BIT(22)), +}; + +static const struct ccu_desc f1c100s_ccu_desc = { + .gates = f1c100s_gates, + .resets = f1c100s_resets, +}; + +static int f1c100s_clk_bind(struct udevice *dev) +{ + return sunxi_reset_bind(dev, ARRAY_SIZE(f1c100s_resets)); +} + +static const struct udevice_id f1c100s_clk_ids[] = { + { .compatible = "allwinner,suniv-f1c100s-ccu", + .data = (ulong)&f1c100s_ccu_desc }, + { } +}; + +U_BOOT_DRIVER(clk_suniv_f1c100s) = { + .name = "suniv_f1c100s_ccu", + .id = UCLASS_CLK, + .of_match = f1c100s_clk_ids, + .priv_auto = sizeof(struct ccu_priv), + .ops = &sunxi_clk_ops, + .probe = sunxi_clk_probe, + .bind = f1c100s_clk_bind, +};