From patchwork Thu Jul 17 23:54:41 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 1391 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CB5EF22258E for ; Thu, 17 Jul 2025 23:56:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752796621; cv=none; b=WLz/IvOKxYvwR1Q4vEmkVC8LcBtSk0Sc5yIKURFrH84QBg2Fl8IzQHFGHcKeNfXEhcIODq9H3Ar99RzDAlYTlc5rIp99a6zL6tJIfYbsILRxg0ad4n+dS/QGl2WmxGH4773ebt57GXhuf3Qj0T/f5k1lCMmvlPTMwKvktJBHPPw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752796621; c=relaxed/simple; bh=ZxzIZQI9i9s1A2yoQqnfsZLDSynMuY4HbgL9SoolkiU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mr3QGznaXAw+bdA5ZRDzb+bHl7NYq0U85ns5icDPsiDhuq9bttsYBdp5AAJBm3X8yVQF+DlSbZb+Yhj4IILc/8Z5GIt0ES7Y2+L1H0xmKXni/J6SlqtgaM93hR+PlCjk8LWk7wa/2jepy0HUp2gLxAl51awtX9uB6FiZ/sVBfwY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=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 0A4401596; Thu, 17 Jul 2025 16:56:52 -0700 (PDT) Received: from localhost.localdomain (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 728223F694; Thu, 17 Jul 2025 16:56:58 -0700 (PDT) From: Andre Przywara To: u-boot@lists.denx.de Cc: Jernej Skrabec , Mikhail Kalashnikov , Yixun Lan , Paul Kocialkowski , linux-sunxi@lists.linux.dev, Tom Rini Subject: [PATCH v2 06/20] clk: sunxi: Add support for the A523 CCU Date: Fri, 18 Jul 2025 00:54:41 +0100 Message-ID: <20250717235455.32528-7-andre.przywara@arm.com> X-Mailer: git-send-email 2.46.3 In-Reply-To: <20250717235455.32528-1-andre.przywara@arm.com> References: <20250717235455.32528-1-andre.przywara@arm.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Status: O Add a clock driver for the main clock controller on the Allwinner A523 family of SoCs. As usual, this just describes the clock gates and reset lines for the few device that U-Boot cares about: USB, Ethernet, MMC, I2C, SPI. Signed-off-by: Andre Przywara --- drivers/clk/sunxi/Kconfig | 7 +++ drivers/clk/sunxi/Makefile | 1 + drivers/clk/sunxi/clk_a523.c | 85 +++++++++++++++++++++++++++++++++++ drivers/clk/sunxi/clk_sunxi.c | 5 +++ 4 files changed, 98 insertions(+) create mode 100644 drivers/clk/sunxi/clk_a523.c diff --git a/drivers/clk/sunxi/Kconfig b/drivers/clk/sunxi/Kconfig index f44db76c182..74e89b86301 100644 --- a/drivers/clk/sunxi/Kconfig +++ b/drivers/clk/sunxi/Kconfig @@ -129,4 +129,11 @@ config CLK_SUN50I_A100 This enables common clock driver support for platforms based on Allwinner A100/A133 SoCs. +config CLK_SUN55I_A523 + bool "Clock driver for Allwinner A523/T527" + default MACH_SUN55I_A523 + help + This enables common clock driver support for platforms based + on Allwinner A523/T527 SoC. + endif # CLK_SUNXI diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile index 7ff71c756e0..dd33eabe2ed 100644 --- a/drivers/clk/sunxi/Makefile +++ b/drivers/clk/sunxi/Makefile @@ -25,3 +25,4 @@ obj-$(CONFIG_CLK_SUN50I_H6_R) += clk_h6_r.o obj-$(CONFIG_CLK_SUN50I_H616) += clk_h616.o obj-$(CONFIG_CLK_SUN50I_A64) += clk_a64.o obj-$(CONFIG_CLK_SUN50I_A100) += clk_a100.o +obj-$(CONFIG_CLK_SUN55I_A523) += clk_a523.o diff --git a/drivers/clk/sunxi/clk_a523.c b/drivers/clk/sunxi/clk_a523.c new file mode 100644 index 00000000000..1de95fbaf2f --- /dev/null +++ b/drivers/clk/sunxi/clk_a523.c @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2024 Arm Ltd. + */ + +#include +#include +#include +#include +#include + +#include +#include + +static struct ccu_clk_gate a523_gates[] = { + [CLK_PLL_PERIPH0_200M] = GATE_DUMMY, + [CLK_APB1] = GATE_DUMMY, + + [CLK_BUS_MMC0] = GATE(0x84c, BIT(0)), + [CLK_BUS_MMC1] = GATE(0x84c, BIT(1)), + [CLK_BUS_MMC2] = GATE(0x84c, BIT(2)), + [CLK_BUS_UART0] = GATE(0x90c, BIT(0)), + [CLK_BUS_UART1] = GATE(0x90c, BIT(1)), + [CLK_BUS_UART2] = GATE(0x90c, BIT(2)), + [CLK_BUS_UART3] = GATE(0x90c, BIT(3)), + [CLK_BUS_UART4] = GATE(0x90c, BIT(4)), + [CLK_BUS_UART5] = GATE(0x90c, BIT(5)), + [CLK_BUS_I2C0] = GATE(0x91c, BIT(0)), + [CLK_BUS_I2C1] = GATE(0x91c, BIT(1)), + [CLK_BUS_I2C2] = GATE(0x91c, BIT(2)), + [CLK_BUS_I2C3] = GATE(0x91c, BIT(3)), + [CLK_SPI0] = GATE(0x940, BIT(31)), + [CLK_SPI1] = GATE(0x944, BIT(31)), + [CLK_BUS_SPI0] = GATE(0x96c, BIT(0)), + [CLK_BUS_SPI1] = GATE(0x96c, BIT(1)), + + [CLK_EMAC0_25M] = GATE(0x970, BIT(30) | BIT(31)), + [CLK_EMAC1_25M] = GATE(0x974, BIT(30) | BIT(31)), + [CLK_BUS_EMAC0] = GATE(0x97c, BIT(0)), + [CLK_BUS_EMAC1] = GATE(0x98c, BIT(0)), + + [CLK_USB_OHCI0] = GATE(0xa70, BIT(31)), + [CLK_USB_OHCI1] = GATE(0xa74, BIT(31)), + [CLK_BUS_OHCI0] = GATE(0xa8c, BIT(0)), + [CLK_BUS_OHCI1] = GATE(0xa8c, BIT(1)), + [CLK_BUS_EHCI0] = GATE(0xa8c, BIT(4)), + [CLK_BUS_EHCI1] = GATE(0xa8c, BIT(5)), + [CLK_BUS_OTG] = GATE(0xa8c, BIT(8)), +}; + +static struct ccu_reset a523_resets[] = { + [RST_BUS_MMC0] = RESET(0x84c, BIT(16)), + [RST_BUS_MMC1] = RESET(0x84c, BIT(17)), + [RST_BUS_MMC2] = RESET(0x84c, BIT(18)), + [RST_BUS_UART0] = RESET(0x90c, BIT(16)), + [RST_BUS_UART1] = RESET(0x90c, BIT(17)), + [RST_BUS_UART2] = RESET(0x90c, BIT(18)), + [RST_BUS_UART3] = RESET(0x90c, BIT(19)), + [RST_BUS_UART4] = RESET(0x90c, BIT(20)), + [RST_BUS_UART5] = RESET(0x90c, BIT(21)), + [RST_BUS_I2C0] = RESET(0x91c, BIT(16)), + [RST_BUS_I2C1] = RESET(0x91c, BIT(17)), + [RST_BUS_I2C2] = RESET(0x91c, BIT(18)), + [RST_BUS_I2C3] = RESET(0x91c, BIT(19)), + [RST_BUS_SPI0] = RESET(0x96c, BIT(16)), + [RST_BUS_SPI1] = RESET(0x96c, BIT(17)), + + [RST_BUS_EMAC0] = RESET(0x97c, BIT(16)), + [RST_BUS_EMAC1] = RESET(0x98c, BIT(16) | BIT(17)), + + [RST_USB_PHY0] = RESET(0xa70, BIT(30)), + [RST_USB_PHY1] = RESET(0xa74, BIT(30)), + [RST_BUS_OHCI0] = RESET(0xa8c, BIT(16)), + [RST_BUS_OHCI1] = RESET(0xa8c, BIT(17)), + [RST_BUS_EHCI0] = RESET(0xa8c, BIT(20)), + [RST_BUS_EHCI1] = RESET(0xa8c, BIT(21)), + [RST_BUS_OTG] = RESET(0xa8c, BIT(24)), +}; + +const struct ccu_desc a523_ccu_desc = { + .gates = a523_gates, + .resets = a523_resets, + .num_gates = ARRAY_SIZE(a523_gates), + .num_resets = ARRAY_SIZE(a523_resets), +}; diff --git a/drivers/clk/sunxi/clk_sunxi.c b/drivers/clk/sunxi/clk_sunxi.c index e0765cbc6dc..30baabaafcd 100644 --- a/drivers/clk/sunxi/clk_sunxi.c +++ b/drivers/clk/sunxi/clk_sunxi.c @@ -126,6 +126,7 @@ extern const struct ccu_desc a100_ccu_desc; extern const struct ccu_desc h6_r_ccu_desc; extern const struct ccu_desc r40_ccu_desc; extern const struct ccu_desc v3s_ccu_desc; +extern const struct ccu_desc a523_ccu_desc; static const struct udevice_id sunxi_clk_ids[] = { #ifdef CONFIG_CLK_SUN4I_A10 @@ -223,6 +224,10 @@ static const struct udevice_id sunxi_clk_ids[] = { #ifdef CONFIG_CLK_SUNIV_F1C100S { .compatible = "allwinner,suniv-f1c100s-ccu", .data = (ulong)&f1c100s_ccu_desc }, +#endif +#ifdef CONFIG_CLK_SUN55I_A523 + { .compatible = "allwinner,sun55i-a523-ccu", + .data = (ulong)&a523_ccu_desc }, #endif { } };