From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B3F7C43327 for ; Wed, 1 Jul 2026 18:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LNqRE2wBNyfheaMuXoR+AjG8kVj1XgCRpVmTWikTkDg=; b=XCCGMUEJOcwVnPJiQ/OZWm7rsl RNYgheVmdTSklCJ+e1suqFP7t9U7TAyKDnE38kZ36OwC1/JLWJqhRUwHiKeQODcbltYmFYatZxHlq jlush8GxasbRvoo3U7hQPSXlYJi1ZcRB6Kq4CBp1OttngG9g933vSt2RrbDV/1o7XJ5nqRn376OoZ 6tuDclXli0txKXUMOL7WnHDHB1msvGe/8YIvBkOFSQn5G5OAyNxiQ+XPAipCknk0+mSAZ+Cl9a4O7 726EgocDyrP5XR5q85PEQ+83PYjg9XFK6ErqmAOQnpo4/MYEBdXDFDIau/SYstUafJbmlmHlXy3lT z1D0m5bg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weuiz-000000027oc-3c5y; Wed, 01 Jul 2026 13:11:34 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1weuiw-000000027dE-29nV; Wed, 01 Jul 2026 13:11:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1782911488; bh=+hRHFz0agduJr5pnmY0TtLeRwfae7FsBp+NKq8nJMXw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=lS276rFa0DUdezKMvixD8MgrRt2XuTxrT7vcjsKbFxQXQaZwJdSE2+7wTmtTT3Esf olJ69pZDlQTODhLhxZSyjfzCvFnJkDnYeUeiGnGGDj13/17YOQ6xOyiTAeo/X6cekl mj41dIB9/ukUfyX0qWIGN/WMLG6Bgi8PdHyrrLo+J452LWxg1/5kTVp7gf45oJazcy wrkGd+AP3zrNshZs8LBOELQpEcCK7Y3NbUDzy5pXcmliidCFZheb/MWj4BeuBcLwFc JSOl+e5TBdIsm/cHBQaIfXt8u/v9lJWeBcl0RWG23yCH4lcbW8PSuaDVst4uffoLKQ wwGZUliDxxAEg== Received: from yukiji.home (unknown [100.64.0.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: laeyraud) by bali.collaboradmins.com (Postfix) with ESMTPSA id AC24E17E35C9; Wed, 1 Jul 2026 15:11:27 +0200 (CEST) From: Louis-Alexis Eyraud Date: Wed, 01 Jul 2026 15:11:13 +0200 Subject: [PATCH 08/15] clk: mediatek: Add MT8189 vlpckgen clock support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260701-mt8189-clocks-system-base-v1-8-2b048feea50a@collabora.com> References: <20260701-mt8189-clocks-system-base-v1-0-2b048feea50a@collabora.com> In-Reply-To: <20260701-mt8189-clocks-system-base-v1-0-2b048feea50a@collabora.com> To: Michael Turquette , Stephen Boyd , Brian Masney , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chun-Jie Chen , Philipp Zabel , Edward-JW Yang , Richard Cochran Cc: kernel@collabora.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, Irving-CH Lin , Louis-Alexis Eyraud X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1782911477; l=10027; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=+hRHFz0agduJr5pnmY0TtLeRwfae7FsBp+NKq8nJMXw=; b=bwOze7aEpkH/crR7i4KZbyftHa6gxW3c23czXydnKnUpe0LraE3OpZyDsSAc3krkpOV5jBZeC oRieoEC5PvKAuLLFf+SlddXnNp4qOYS0wkUr7oaklcU6Jzt7UAMbY3Q X-Developer-Key: i=louisalexis.eyraud@collabora.com; a=ed25519; pk=CHFBDB2Kqh4EHc6JIqFn69GhxJJAzc0Zr4e8QxtumuM= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_061130_738496_72646DF2 X-CRM114-Status: GOOD ( 16.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for the MT8189 vlpckgen clock controller, which provides muxes and dividers for clock selection in vlp domain for other IP blocks. Co-developed-by: Irving-CH Lin Signed-off-by: Irving-CH Lin Co-developed-by: AngeloGioacchino Del Regno Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Louis-Alexis Eyraud --- drivers/clk/mediatek/Makefile | 3 +- drivers/clk/mediatek/clk-mt8189-vlpckgen.c | 284 +++++++++++++++++++++++++++++ 2 files changed, 286 insertions(+), 1 deletion(-) diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 9d3d2983bfb2..3b25df9e7b50 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -123,7 +123,8 @@ obj-$(CONFIG_COMMON_CLK_MT8188_VDOSYS) += clk-mt8188-vdo0.o clk-mt8188-vdo1.o obj-$(CONFIG_COMMON_CLK_MT8188_VENCSYS) += clk-mt8188-venc.o obj-$(CONFIG_COMMON_CLK_MT8188_VPPSYS) += clk-mt8188-vpp0.o clk-mt8188-vpp1.o obj-$(CONFIG_COMMON_CLK_MT8188_WPESYS) += clk-mt8188-wpe.o -obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o +obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o \ + clk-mt8189-vlpckgen.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8189-vlpckgen.c b/drivers/clk/mediatek/clk-mt8189-vlpckgen.c new file mode 100644 index 000000000000..39ca051b9ef8 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-vlpckgen.c @@ -0,0 +1,284 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025-2026 MediaTek Inc. + * Qiqi Wang + * Irving-CH Lin + * Copyright (C) 2026 Collabora Ltd. + * AngeloGioacchino Del Regno + * Louis-Alexis Eyraud + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-mux.h" +#include "clk-gate.h" + +#include + +static DEFINE_SPINLOCK(mt8189_vlpclk_lock); + +static const char * const vlp_26m_oscd10_parents[] = { + "clk26m", + "osc_d10" +}; + +static const char * const vlp_vadsp_vowpll_parents[] = { + "clk26m", + "vowpll" +}; + +static const char * const vlp_sspm_ulposc_parents[] = { + "ulposc", + "univpll_d5_d2", + "osc_d10" +}; + +static const char * const vlp_aud_adc_parents[] = { + "clk26m", + "vowpll", + "aud_adc_ext", + "osc_d10" +}; + +static const char * const vlp_scp_iic_spi_parents[] = { + "clk26m", + "mainpll_d5_d4", + "mainpll_d7_d2", + "osc_d10" +}; + +static const char * const vlp_vadsp_uarthub_b_parents[] = { + "clk26m", + "osc_d10", + "univpll_d6_d4", + "univpll_d6_d2" +}; + +static const char * const vlp_axi_kp_parents[] = { + "clk26m", + "osc_d10", + "osc_d2", + "mainpll_d7_d4", + "mainpll_d7_d2" +}; + +static const char * const vlp_sspm_parents[] = { + "clk26m", + "osc_d10", + "mainpll_d5_d2", + "ulposc", + "mainpll_d6" +}; + +static const char * const vlp_pwm_vlp_parents[] = { + "clk26m", + "osc_d4", + "clk32k", + "osc_d10", + "mainpll_d4_d8" +}; + +static const char * const vlp_pwrap_ulposc_parents[] = { + "clk26m", + "osc_d10", + "osc_d7", + "osc_d8", + "osc_d16", + "mainpll_d7_d8" +}; + +static const char * const vlp_vadsp_parents[] = { + "clk26m", + "osc_d20", + "osc_d10", + "osc_d2", + "ulposc", + "mainpll_d4_d2" +}; + +static const char * const vlp_scp_parents[] = { + "clk26m", + "univpll_d4", + "univpll_d3", + "mainpll_d3", + "univpll_d6", + "apll1", + "mainpll_d4", + "mainpll_d6", + "mainpll_d7", + "osc_d10" +}; + +static const char * const vlp_spmi_p_parents[] = { + "clk26m", + "f26m_d2", + "osc_d8", + "osc_d10", + "osc_d16", + "osc_d7", + "clk32k", + "mainpll_d7_d8", + "mainpll_d6_d8", + "mainpll_d5_d8" +}; + +static const char * const vlp_camtg_parents[] = { + "clk26m", + "univpll_192m_d8", + "univpll_d6_d8", + "univpll_192m_d4", + "osc_d16", + "osc_d20", + "osc_d10", + "univpll_d6_d16", + "tvdpll1_d16", + "f26m_d2", + "univpll_192m_d10", + "univpll_192m_d16", + "univpll_192m_d32" +}; + +static const struct mtk_mux vlp_ck_muxes[] = { + /* VLP_CLK_CFG_0 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_SCP_SEL, "vlp_scp_sel", + vlp_scp_parents, 0x008, 0x00c, 0x010, + 0, 4, 7, 0x04, 0), + MUX_CLR_SET_UPD(CLK_VLP_CK_PWRAP_ULPOSC_SEL, "vlp_pwrap_ulposc_sel", + vlp_pwrap_ulposc_parents, 0x008, 0x00c, 0x010, + 8, 3, 0x04, 1), + MUX_CLR_SET_UPD(CLK_VLP_CK_SPMI_P_MST_SEL, "vlp_spmi_p_sel", + vlp_spmi_p_parents, 0x008, 0x00c, 0x010, + 16, 4, 0x04, 2), + MUX_CLR_SET_UPD(CLK_VLP_CK_DVFSRC_SEL, "vlp_dvfsrc_sel", + vlp_26m_oscd10_parents, 0x008, 0x00c, 0x010, + 24, 1, 0x04, 3), + /* VLP_CLK_CFG_1 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_PWM_VLP_SEL, "vlp_pwm_vlp_sel", + vlp_pwm_vlp_parents, 0x014, 0x018, 0x01c, + 0, 3, 0x04, 4), + MUX_CLR_SET_UPD(CLK_VLP_CK_AXI_VLP_SEL, "vlp_axi_vlp_sel", + vlp_axi_kp_parents, 0x014, 0x018, 0x01c, + 8, 3, 0x04, 5), + MUX_CLR_SET_UPD(CLK_VLP_CK_SYSTIMER_26M_SEL, "vlp_timer_26m_sel", + vlp_26m_oscd10_parents, 0x014, 0x018, 0x01c, + 16, 1, 0x04, 6), + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_SEL, "vlp_sspm_sel", + vlp_sspm_parents, 0x014, 0x018, 0x01c, + 24, 3, 0x04, 7), + /* VLP_CLK_CFG_2 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_F26M_SEL, "vlp_sspm_f26m_sel", + vlp_26m_oscd10_parents, 0x020, 0x024, 0x028, + 0, 1, 0x04, 8), + MUX_CLR_SET_UPD(CLK_VLP_CK_SRCK_SEL, "vlp_srck_sel", + vlp_26m_oscd10_parents, 0x020, 0x024, 0x028, + 8, 1, 0x04, 9), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_SPI_SEL, "vlp_scp_spi_sel", + vlp_scp_iic_spi_parents, 0x020, 0x024, 0x028, + 16, 2, 0x04, 10), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_IIC_SEL, "vlp_scp_iic_sel", + vlp_scp_iic_spi_parents, 0x020, 0x024, 0x028, + 24, 2, 0x04, 11), + /* VLP_CLK_CFG_3 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_SPI_HIGH_SPD_SEL, + "vlp_scp_spi_hs_sel", + vlp_scp_iic_spi_parents, 0x02c, 0x030, 0x034, + 0, 2, 0x04, 12), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_IIC_HIGH_SPD_SEL, + "vlp_scp_iic_hs_sel", + vlp_scp_iic_spi_parents, 0x02c, 0x030, 0x034, + 8, 2, 0x04, 13), + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_ULPOSC_SEL, "vlp_sspm_ulposc_sel", + vlp_sspm_ulposc_parents, 0x02c, 0x030, 0x034, + 16, 2, 0x04, 14), + MUX_CLR_SET_UPD(CLK_VLP_CK_APXGPT_26M_SEL, "vlp_apxgpt_26m_sel", + vlp_26m_oscd10_parents, 0x02c, 0x030, 0x034, + 24, 1, 0x04, 15), + /* VLP_CLK_CFG_4 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_SEL, "vlp_vadsp_sel", + vlp_vadsp_parents, 0x038, 0x03c, 0x040, + 0, 3, 7, 0x04, 16), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_VOWPLL_SEL, + "vlp_vadsp_vowpll_sel", + vlp_vadsp_vowpll_parents, 0x038, 0x03c, 0x040, + 8, 1, 15, 0x04, 17), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_UARTHUB_BCLK_SEL, + "vlp_vadsp_uarthub_b_sel", + vlp_vadsp_uarthub_b_parents, + 0x038, 0x03c, 0x040, 16, 2, 23, 0x04, 18), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG0_SEL, "vlp_camtg0_sel", + vlp_camtg_parents, 0x038, 0x03c, 0x040, + 24, 4, 31, 0x04, 19), + /* VLP_CLK_CFG_5 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG1_SEL, "vlp_camtg1_sel", + vlp_camtg_parents, 0x044, 0x048, 0x04c, + 0, 4, 7, 0x04, 20), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG2_SEL, "vlp_camtg2_sel", + vlp_camtg_parents, 0x044, 0x048, 0x04c, + 8, 4, 15, 0x04, 21), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_AUD_ADC_SEL, "vlp_aud_adc_sel", + vlp_aud_adc_parents, 0x044, 0x048, 0x04c, + 16, 2, 23, 0x04, 22), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_KP_IRQ_GEN_SEL, "vlp_kp_irq_sel", + vlp_axi_kp_parents, 0x044, 0x048, 0x04c, + 24, 3, 31, 0x04, 23), +}; + +static const struct mtk_gate_regs vlp_ck_cg_regs = { + .set_ofs = 0x1f4, + .clr_ofs = 0x1f8, + .sta_ofs = 0x1f0, +}; + +#define GATE_VLP_CK_FLAGS(_id, _name, _parent, _shift, _flag) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &vlp_ck_cg_regs, \ + .shift = _shift, \ + .flags = _flag, \ + .ops = &mtk_clk_gate_ops_setclr_inv, \ + } + +#define GATE_VLP_CK(_id, _name, _parent, _shift) \ + GATE_VLP_CK_FLAGS(_id, _name, _parent, _shift, 0) + +static const struct mtk_gate vlp_ck_clks[] = { + GATE_VLP_CK(CLK_VLP_CK_VADSYS_VLP_26M_EN, "vlp_vadsys_vlp_26m", "clk26m", 1), + GATE_VLP_CK_FLAGS(CLK_VLP_CK_FMIPI_CSI_UP26M_CK_EN, "vlp_fmipi_csi_up26m", + "fmipi_csi_up26m", 11, CLK_IS_CRITICAL), +}; + +static const struct mtk_clk_desc vlpck_desc = { + .mux_clks = vlp_ck_muxes, + .num_mux_clks = ARRAY_SIZE(vlp_ck_muxes), + .clks = vlp_ck_clks, + .num_clks = ARRAY_SIZE(vlp_ck_clks), + .clk_lock = &mt8189_vlpclk_lock, +}; + +static const struct of_device_id of_match_clk_mt8189_vlpck[] = { + { .compatible = "mediatek,mt8189-vlpckgen", .data = &vlpck_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt8189_vlpck_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8189-vlpck", + .of_match_table = of_match_clk_mt8189_vlpck, + }, +}; +module_platform_driver(clk_mt8189_vlpck_drv); + +MODULE_DESCRIPTION("MediaTek MT8189 vlpckgen clocks driver"); +MODULE_LICENSE("GPL"); -- 2.54.0