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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37055C0650E for ; Mon, 1 Jul 2019 10:48:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 02163208E4 for ; Mon, 1 Jul 2019 10:48:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Yb2dB0VZ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="b6jgKvug" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02163208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2x40kUjhEf8oxyRAruqZy8vouato6rJoVn4ecWMJNBc=; b=Yb2dB0VZMDjD/8 Spw0h2gOHrVNsiU503eF/i3bS4oU1cwUrTSCrGqnp7g68VbtDx+NLaP2mLT8oNOqbaKO2pf9KCRwm xVVUqrfbiXjm3zqAp3PhoFQ4QUGVg3MN0mx/bhx+e9mocrdmRMNR/dAvy3RNu6t9c6GtU2V7ECCPf Ta4ywR3KYa9sV6jW69jz9vC+HpjIcW+cACXflTHrmP6114KyG4qGoSLfUIGbQ7GX8A4Q9Ed0zjcac INHDf2c5GiWCuq91VrS8i+uU6ts0mE252YoZyL2WDqMYQQOjN40qtTqkc7eGaSLCPbL8v+EvzsXZL 6l19wLmMTH0Ol5q7iqfg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hhtrd-0007ro-OT; Mon, 01 Jul 2019 10:48:49 +0000 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hhtqL-0006aR-3K for linux-amlogic@lists.infradead.org; Mon, 01 Jul 2019 10:47:30 +0000 Received: by mail-wm1-x341.google.com with SMTP id s3so21261wms.2 for ; Mon, 01 Jul 2019 03:47:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Owl4nTSq6DhZ2V584A99yDsOKLIIIUktJdAv0EVjP8I=; b=b6jgKvugCOJlbzkKecpVeAxHM4R651JUN9SFcYJFMhU8flW2qe2hf+uEDz0sQuelzM zr0DOGrSMO7P+19xgHrSExXjxPZwZ+Wi1YYtFE8PbzZRSEremFLug0RCjsJqVQmK6Z6r K4MhBJJvU8Jkvy//BNrFXv22CP8+cudLChxCn96ErMScTL4PjSpkxHrD/k0QiZBr6kGK lMYuga93UPYgZ8KdQJRveA6UOVUQC8PrGPAHH0AuopkolxDns4Ir+EKc2r0nLNgrnUot wcA5tVFj3Yofr6BmODaMLCnJrPEE4uqf39cT8cqDAbAmmrxFN5ImAvELoDbBxjXG80NI geNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Owl4nTSq6DhZ2V584A99yDsOKLIIIUktJdAv0EVjP8I=; b=oxPwAY/WO8jsph1cxoloals+iFr8C8RnoJfxl8dJ88zObCmzv7YdBnWxJgSqrc0ktY 5d6erJhPMrXw98SfSjDZRF3hCTrsexuOsVkNmO2BNQQNWuxDdLtverN+fmyMDsALiVr6 UnMTpQPWxh4qNTx3iVwf8KWj+zgqEyD9aU/TjOfT0KcaUhq4Vmgfy9IriIyiDEHTIOH/ baqSGSrO2lUhow7Dcz4HHF5fu8pCWYnWpXO9i/BYW/gY4SzZIfUUJNoi2dLZ21CGh9ad 0xkKzA3Rooj5v3tKoq38BkOyScMNMWwyI/9vLGhbtOY7wQINsRo7QqyQq7L1cM5XuLVl 5N4Q== X-Gm-Message-State: APjAAAXp3rEgQboEB9JQn0b/DkxyHA7Cpz2xsBEq7+UyZxlYxWIjhZoH GTVLKwvKrM0rOQIF77MtiT7BXw== X-Google-Smtp-Source: APXvYqynQItuO15gLgigmTYWG4A+wwtTg+waNY6jf9w784dk5DTX+gMvdFcmQJmdNPcH2LhS730ptA== X-Received: by 2002:a05:600c:2c7:: with SMTP id 7mr16475575wmn.45.1561978047295; Mon, 01 Jul 2019 03:47:27 -0700 (PDT) Received: from localhost.localdomain (176-150-251-154.abo.bbox.fr. [176.150.251.154]) by smtp.gmail.com with ESMTPSA id d24sm11658802wra.43.2019.07.01.03.47.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 Jul 2019 03:47:26 -0700 (PDT) From: Neil Armstrong To: jbrunet@baylibre.com, khilman@baylibre.com Subject: [RFC 03/11] soc: amlogic: gx-pwrc-vpu: add SM1 support Date: Mon, 1 Jul 2019 12:46:57 +0200 Message-Id: <20190701104705.18271-4-narmstrong@baylibre.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190701104705.18271-1-narmstrong@baylibre.com> References: <20190701104705.18271-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190701_034729_144809_9E59E400 X-CRM114-Status: GOOD ( 13.98 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Add support for the Amlogic SM1 SoCs VPU Power Domain control, it uses a different register for Isolation and a supplementaty register for the domain memories power control. Signed-off-by: Neil Armstrong --- drivers/soc/amlogic/meson-gx-pwrc-vpu.c | 120 ++++++++++++++++++++++++ 1 file changed, 120 insertions(+) diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c index 511b6856225d..fabb2868d09b 100644 --- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c +++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c @@ -18,6 +18,7 @@ /* AO Offsets */ #define AO_RTI_GEN_PWR_SLEEP0 (0x3a << 2) +#define AO_RTI_GEN_PWR_ISO0 (0x3b << 2) #define GEN_PWR_VPU_HDMI BIT(8) #define GEN_PWR_VPU_HDMI_ISO BIT(9) @@ -28,6 +29,8 @@ #define HHI_VPU_MEM_PD_REG0 (0x41 << 2) #define HHI_VPU_MEM_PD_REG1 (0x42 << 2) #define HHI_VPU_MEM_PD_REG2 (0x4d << 2) +#define HHI_VPU_MEM_PD_REG3 (0x43 << 2) +#define HHI_VPU_MEM_PD_REG4 (0x44 << 2) struct meson_gx_pwrc_vpu { struct generic_pm_domain genpd; @@ -125,6 +128,53 @@ static int meson_g12a_pwrc_vpu_power_off(struct generic_pm_domain *genpd) return 0; } +static int meson_sm1_pwrc_vpu_power_off(struct generic_pm_domain *genpd) +{ + struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd); + int i; + + regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_ISO0, + GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI); + udelay(20); + + /* Power Down Memories */ + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0, + 0x3 << i, 0x3 << i); + udelay(5); + } + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1, + 0x3 << i, 0x3 << i); + udelay(5); + } + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2, + 0x3 << i, 0x3 << i); + udelay(5); + } + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG4, + 0x3 << 4, 0x3 << 4); + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG4, + 0x7, 0x7); + for (i = 8; i < 16; i++) { + regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0, + BIT(i), BIT(i)); + udelay(5); + } + udelay(20); + + regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, + GEN_PWR_VPU_HDMI, GEN_PWR_VPU_HDMI); + + msleep(20); + + clk_disable_unprepare(pd->vpu_clk); + clk_disable_unprepare(pd->vapb_clk); + + return 0; +} + static int meson_gx_pwrc_vpu_setup_clk(struct meson_gx_pwrc_vpu *pd) { int ret; @@ -242,6 +292,64 @@ static int meson_g12a_pwrc_vpu_power_on(struct generic_pm_domain *genpd) return 0; } +static int meson_sm1_pwrc_vpu_power_on(struct generic_pm_domain *genpd) +{ + struct meson_gx_pwrc_vpu *pd = genpd_to_pd(genpd); + int ret; + int i; + + regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, + GEN_PWR_VPU_HDMI, 0); + udelay(20); + + /* Power Up Memories */ + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0, + 0x3 << i, 0); + udelay(5); + } + + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1, + 0x3 << i, 0); + udelay(5); + } + + for (i = 0; i < 32; i += 2) { + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG2, + 0x3 << i, 0); + udelay(5); + } + + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG4, 0x3 << 4, 0); + + regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG4, 0x7, 0); + + for (i = 8; i < 16; i++) { + regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0, + BIT(i), 0); + udelay(5); + } + udelay(20); + + ret = reset_control_assert(pd->rstc); + if (ret) + return ret; + + regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_ISO0, + GEN_PWR_VPU_HDMI, 0); + + ret = reset_control_deassert(pd->rstc); + if (ret) + return ret; + + ret = meson_gx_pwrc_vpu_setup_clk(pd); + if (ret) + return ret; + + return 0; +} + static bool meson_gx_pwrc_vpu_get_power(struct meson_gx_pwrc_vpu *pd) { u32 reg; @@ -267,6 +375,14 @@ static struct meson_gx_pwrc_vpu vpu_hdmi_pd_g12a = { }, }; +static struct meson_gx_pwrc_vpu vpu_hdmi_pd_sm1 = { + .genpd = { + .name = "vpu_hdmi", + .power_off = meson_sm1_pwrc_vpu_power_off, + .power_on = meson_sm1_pwrc_vpu_power_on, + }, +}; + static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev) { const struct meson_gx_pwrc_vpu *vpu_pd_match; @@ -362,6 +478,10 @@ static const struct of_device_id meson_gx_pwrc_vpu_match_table[] = { .compatible = "amlogic,meson-g12a-pwrc-vpu", .data = &vpu_hdmi_pd_g12a }, + { + .compatible = "amlogic,meson-sm1-pwrc-vpu", + .data = &vpu_hdmi_pd_sm1 + }, { /* sentinel */ } }; -- 2.21.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic