From patchwork Thu Dec 30 11:49:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johnson Wang X-Patchwork-Id: 529015 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 201A1C4332F for ; Thu, 30 Dec 2021 11:49:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239059AbhL3Lte (ORCPT ); Thu, 30 Dec 2021 06:49:34 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:56026 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S235195AbhL3Lta (ORCPT ); Thu, 30 Dec 2021 06:49:30 -0500 X-UUID: 0223736c37704d6585760be375a0a55c-20211230 X-UUID: 0223736c37704d6585760be375a0a55c-20211230 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 2143916092; Thu, 30 Dec 2021 19:49:24 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 30 Dec 2021 19:49:23 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 30 Dec 2021 19:49:22 +0800 From: Johnson Wang To: , CC: , , , , , Johnson Wang Subject: [PATCH 1/2] soc: mediatek: pwrap: add pwrap driver for MT8186 SoC Date: Thu, 30 Dec 2021 19:49:12 +0800 Message-ID: <20211230114913.9829-2-johnson.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211230114913.9829-1-johnson.wang@mediatek.com> References: <20211230114913.9829-1-johnson.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org MT8186 are highly integrated SoC and use PMIC_MT6366 for power management. This patch adds pwrap master driver to access PMIC_MT6366. Signed-off-by: Johnson Wang --- drivers/soc/mediatek/mtk-pmic-wrap.c | 86 ++++++++++++++++++++++++++-- 1 file changed, 80 insertions(+), 6 deletions(-) diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index 952bc554f443..4af713274468 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -30,6 +30,7 @@ #define PWRAP_GET_WACS_REQ(x) (((x) >> 19) & 0x00000001) #define PWRAP_STATE_SYNC_IDLE0 BIT(20) #define PWRAP_STATE_INIT_DONE0 BIT(21) +#define PWRAP_STATE_INIT_DONE0_V2 BIT(22) #define PWRAP_STATE_INIT_DONE1 BIT(15) /* macro for WACS FSM */ @@ -77,6 +78,8 @@ #define PWRAP_CAP_INT1_EN BIT(3) #define PWRAP_CAP_WDT_SRC1 BIT(4) #define PWRAP_CAP_ARB BIT(5) +#define PWRAP_CAP_MONITOR_V2 BIT(6) +#define PWRAP_CAP_ARB_V2 BIT(8) /* defines for slave device wrapper registers */ enum dew_regs { @@ -1063,6 +1066,55 @@ static int mt8516_regs[] = { [PWRAP_MSB_FIRST] = 0x170, }; +static int mt8186_regs[] = { + [PWRAP_MUX_SEL] = 0x0, + [PWRAP_WRAP_EN] = 0x4, + [PWRAP_DIO_EN] = 0x8, + [PWRAP_RDDMY] = 0x20, + [PWRAP_CSHEXT_WRITE] = 0x24, + [PWRAP_CSHEXT_READ] = 0x28, + [PWRAP_CSLEXT_WRITE] = 0x2C, + [PWRAP_CSLEXT_READ] = 0x30, + [PWRAP_EXT_CK_WRITE] = 0x34, + [PWRAP_STAUPD_CTRL] = 0x3C, + [PWRAP_STAUPD_GRPEN] = 0x40, + [PWRAP_EINT_STA0_ADR] = 0x44, + [PWRAP_EINT_STA1_ADR] = 0x48, + [PWRAP_INT_CLR] = 0xC8, + [PWRAP_INT_FLG] = 0xC4, + [PWRAP_MAN_EN] = 0x7C, + [PWRAP_MAN_CMD] = 0x80, + [PWRAP_WACS0_EN] = 0x8C, + [PWRAP_WACS1_EN] = 0x94, + [PWRAP_WACS2_EN] = 0x9C, + [PWRAP_INIT_DONE0] = 0x90, + [PWRAP_INIT_DONE1] = 0x98, + [PWRAP_INIT_DONE2] = 0xA0, + [PWRAP_INT_EN] = 0xBC, + [PWRAP_INT1_EN] = 0xCC, + [PWRAP_INT1_FLG] = 0xD4, + [PWRAP_INT1_CLR] = 0xD8, + [PWRAP_TIMER_EN] = 0xF0, + [PWRAP_WDT_UNIT] = 0xF8, + [PWRAP_WDT_SRC_EN] = 0xFC, + [PWRAP_WDT_SRC_EN_1] = 0x100, + [PWRAP_WDT_FLG] = 0x104, + [PWRAP_SPMINF_STA] = 0x1B4, + [PWRAP_DCM_EN] = 0x1EC, + [PWRAP_DCM_DBC_PRD] = 0x1F0, + [PWRAP_GPSINF_0_STA] = 0x204, + [PWRAP_GPSINF_1_STA] = 0x208, + [PWRAP_WACS0_CMD] = 0xC00, + [PWRAP_WACS0_RDATA] = 0xC04, + [PWRAP_WACS0_VLDCLR] = 0xC08, + [PWRAP_WACS1_CMD] = 0xC10, + [PWRAP_WACS1_RDATA] = 0xC14, + [PWRAP_WACS1_VLDCLR] = 0xC18, + [PWRAP_WACS2_CMD] = 0xC20, + [PWRAP_WACS2_RDATA] = 0xC24, + [PWRAP_WACS2_VLDCLR] = 0xC28, +}; + enum pmic_type { PMIC_MT6323, PMIC_MT6351, @@ -1083,6 +1135,7 @@ enum pwrap_type { PWRAP_MT8135, PWRAP_MT8173, PWRAP_MT8183, + PWRAP_MT8186, PWRAP_MT8195, PWRAP_MT8516, }; @@ -1535,6 +1588,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) case PWRAP_MT6779: case PWRAP_MT6797: case PWRAP_MT8173: + case PWRAP_MT8186: case PWRAP_MT8516: pwrap_writel(wrp, 1, PWRAP_CIPHER_EN); break; @@ -2069,6 +2123,19 @@ static struct pmic_wrapper_type pwrap_mt8516 = { .init_soc_specific = NULL, }; +static struct pmic_wrapper_type pwrap_mt8186 = { + .regs = mt8186_regs, + .type = PWRAP_MT8186, + .arb_en_all = 0xfb27f, + .int_en_all = 0xfffffffe, /* disable WatchDog Timeout for bit 1 */ + .int1_en_all = 0x000017ff, /* disable Matching interrupt for bit 13 */ + .spi_w = PWRAP_MAN_CMD_SPI_WRITE, + .wdt_src = PWRAP_WDT_SRC_MASK_ALL, + .caps = PWRAP_CAP_INT1_EN | PWRAP_CAP_MONITOR_V2 | PWRAP_CAP_ARB_V2, + .init_reg_clock = pwrap_common_init_reg_clock, + .init_soc_specific = NULL, +}; + static const struct of_device_id of_pwrap_match_tbl[] = { { .compatible = "mediatek,mt2701-pwrap", @@ -2097,6 +2164,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = { }, { .compatible = "mediatek,mt8183-pwrap", .data = &pwrap_mt8183, + }, { + .compatible = "mediatek,mt8186-pwrap", + .data = &pwrap_mt8186, }, { .compatible = "mediatek,mt8195-pwrap", .data = &pwrap_mt8195, @@ -2112,7 +2182,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl); static int pwrap_probe(struct platform_device *pdev) { int ret, irq; - u32 mask_done; + u32 rdata; struct pmic_wrapper *wrp; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_slave_id = NULL; @@ -2207,12 +2277,16 @@ static int pwrap_probe(struct platform_device *pdev) } } - if (HAS_CAP(wrp->master->caps, PWRAP_CAP_ARB)) - mask_done = PWRAP_STATE_INIT_DONE1; + if (!HAS_CAP(wrp->master->caps, PWRAP_CAP_ARB)) + rdata = pwrap_readl(wrp, PWRAP_WACS2_RDATA) & + PWRAP_STATE_INIT_DONE0; + else if (!HAS_CAP(wrp->master->caps, PWRAP_CAP_ARB_V2)) + rdata = pwrap_readl(wrp, PWRAP_WACS2_RDATA) & + PWRAP_STATE_INIT_DONE0_V2; else - mask_done = PWRAP_STATE_INIT_DONE0; - - if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & mask_done)) { + rdata = pwrap_readl(wrp, PWRAP_WACS2_RDATA) & + PWRAP_STATE_INIT_DONE1; + if (!rdata) { dev_dbg(wrp->dev, "initialization isn't finished\n"); ret = -ENODEV; goto err_out2;