From patchwork Mon Aug 9 05:19:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12425413 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 47A6AC4338F for ; Mon, 9 Aug 2021 05:23:21 +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 E202A60F55 for ; Mon, 9 Aug 2021 05:23:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E202A60F55 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zElpBZemzHWDNOh+NU0xbpGyi/4h4WZSc5Mx9jqQi9U=; b=pC5hhKWKoIC5Fd tEbP3kNE0d4I6AuORAjDFdIJiJ+bwZsm+z3nhrVGsGv3j83HlHpjCEb5jRNJxlnL09QV+NmQGhXW1 VX89v3UnlTk86yeCWtQleQld3j/n2XJNDLJRRWF/IrIK7GPZCJbL1++p/nKZMYpbhaUX39t9SkqAw 8XWkpdSM3Btb+d7mdA6OQjQ01OIB7xDjj0YnOyJUC+8PCiDUFYyQPn0PRa4WdXyOLBrKllUgn2gnw R3TyH8gurXmRBf2SVjmUJrG6TEUmyL3lFFHdqQkHVv7L6YBisPydPmJ8mb822sxV5ecYWYolG/wHe HJLcYyP540LkLi7B6biA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mCxid-00H9yw-Cs; Mon, 09 Aug 2021 05:20:59 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mCxht-00H9gF-GL; Mon, 09 Aug 2021 05:20:16 +0000 X-UUID: 1a1984cf716f4d66b0863d01527ee173-20210808 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=svOxZ3Huh3JXN9iCB4GeRPioetGX0FgZEdz9sKkyoJI=; b=Oof9Ykwt3USZAiCrqLyH09YUBxIMJpAg+PmcWIAMriCP5z19/szuNmAxH8miMDU/54ayR+5TIhOl/zwAidTTdsSUTtXxviRqztsPsMu8AtT/ckj+JK8SMd3l5MRWvDf3mfTtHvUkRYOWdV+zVNRTag8y8ySOGHkOtRAsgVxJIT4=; X-UUID: 1a1984cf716f4d66b0863d01527ee173-20210808 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 458688777; Sun, 08 Aug 2021 22:20:06 -0700 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 8 Aug 2021 22:20:04 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 9 Aug 2021 13:20:02 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 9 Aug 2021 13:20:02 +0800 From: Tinghan Shen To: , , , , , , , , , , , , CC: , , , , , Tinghan Shen Subject: [PATCH v6 4/6] remoteproc: mediatek: Support mt8195 scp Date: Mon, 9 Aug 2021 13:19:57 +0800 Message-ID: <20210809051959.31136-5-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.15.GIT In-Reply-To: <20210809051959.31136-1-tinghan.shen@mediatek.com> References: <20210809051959.31136-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210808_222013_622874_B991C07A X-CRM114-Status: GOOD ( 17.38 ) 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 The SCP clock design is changed on mt8195 that doesn't need to control SCP clock on kernel side. Signed-off-by: Tinghan Shen Reviewed-by: Mathieu Poirier --- drivers/remoteproc/mtk_common.h | 1 + drivers/remoteproc/mtk_scp.c | 48 +++++++++++++++++++++++++++++---- 2 files changed, 44 insertions(+), 5 deletions(-) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 61901f5efa05..5ff3867c72f3 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -72,6 +72,7 @@ struct scp_ipi_desc { struct mtk_scp; struct mtk_scp_of_data { + int (*scp_clk_get)(struct mtk_scp *scp); int (*scp_before_load)(struct mtk_scp *scp); void (*scp_irq_handler)(struct mtk_scp *scp); void (*scp_reset_assert)(struct mtk_scp *scp); diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 9679cc26895e..36e48cf58ed6 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -312,6 +312,32 @@ static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, return -ENOENT; } +static int mt8183_scp_clk_get(struct mtk_scp *scp) +{ + struct device *dev = scp->dev; + int ret = 0; + + scp->clk = devm_clk_get(dev, "main"); + if (IS_ERR(scp->clk)) { + dev_err(dev, "Failed to get clock\n"); + ret = PTR_ERR(scp->clk); + } + + return ret; +} + +static int mt8192_scp_clk_get(struct mtk_scp *scp) +{ + return mt8183_scp_clk_get(scp); +} + +static int mt8195_scp_clk_get(struct mtk_scp *scp) +{ + scp->clk = NULL; + + return 0; +} + static int mt8183_scp_before_load(struct mtk_scp *scp) { /* Clear SCP to host interrupt */ @@ -785,12 +811,9 @@ static int scp_probe(struct platform_device *pdev) if (ret) goto destroy_mutex; - scp->clk = devm_clk_get(dev, "main"); - if (IS_ERR(scp->clk)) { - dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(scp->clk); + ret = scp->data->scp_clk_get(scp); + if (ret) goto release_dev_mem; - } /* register SCP initialization IPI */ ret = scp_ipi_register(scp, SCP_IPI_INIT, scp_init_ipi_handler, scp); @@ -852,6 +875,7 @@ static int scp_remove(struct platform_device *pdev) } static const struct mtk_scp_of_data mt8183_of_data = { + .scp_clk_get = mt8183_scp_clk_get, .scp_before_load = mt8183_scp_before_load, .scp_irq_handler = mt8183_scp_irq_handler, .scp_reset_assert = mt8183_scp_reset_assert, @@ -864,6 +888,19 @@ static const struct mtk_scp_of_data mt8183_of_data = { }; static const struct mtk_scp_of_data mt8192_of_data = { + .scp_clk_get = mt8192_scp_clk_get, + .scp_before_load = mt8192_scp_before_load, + .scp_irq_handler = mt8192_scp_irq_handler, + .scp_reset_assert = mt8192_scp_reset_assert, + .scp_reset_deassert = mt8192_scp_reset_deassert, + .scp_stop = mt8192_scp_stop, + .scp_da_to_va = mt8192_scp_da_to_va, + .host_to_scp_reg = MT8192_GIPC_IN_SET, + .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, +}; + +static const struct mtk_scp_of_data mt8195_of_data = { + .scp_clk_get = mt8195_scp_clk_get, .scp_before_load = mt8192_scp_before_load, .scp_irq_handler = mt8192_scp_irq_handler, .scp_reset_assert = mt8192_scp_reset_assert, @@ -877,6 +914,7 @@ static const struct mtk_scp_of_data mt8192_of_data = { static const struct of_device_id mtk_scp_of_match[] = { { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data }, { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data }, + { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data }, {}, }; MODULE_DEVICE_TABLE(of, mtk_scp_of_match);