From patchwork Sat Oct 23 10:13:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579471 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED89CC433F5 for ; Sat, 23 Oct 2021 10:14:04 +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 B5B6660F5D for ; Sat, 23 Oct 2021 10:14:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B5B6660F5D 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=48hoTfRKbXbEDb1EGrhFBG5SY56rKmzeOiVJ8arNpjY=; b=ndzZUeLCiKk5MN Jd02XwfbGcUUT/oIPzrdPUncMnbpaaeaFMFeQScAstVXIQlA78Ui2GHqFq0D+640+jf72WqdjFW4w EGqdV87mjnittvMw2Hi9OxcWL6ZieOMtoIW5tkEqQoQZsYkwhQ62siH3AhMVfQmU76QTFcW+FQ4b7 DrQ6+6gqQT+YNO/xdUDxgT9eKe6FT8IUqw2otPPFncrYhHQUBFnKyd/kl2kSLk3QWajVDFclyvFAg 3m7urCO3gaXAs2wec0/nKVa+DtouJJa/75WsR5WTX21RDvajx7LK+xgY8gi41t2n8vHSBDYpZJfyK BoRp9R7h23/Y3afR8a2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1meE2B-00CWgw-CJ; Sat, 23 Oct 2021 10:13:51 +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 1meE26-00CWez-HE; Sat, 23 Oct 2021 10:13:47 +0000 X-UUID: cef81f6466034d689b1cc4def2154191-20211023 X-UUID: cef81f6466034d689b1cc4def2154191-20211023 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1156332969; Sat, 23 Oct 2021 03:13:43 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 23 Oct 2021 03:13:41 -0700 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; Sat, 23 Oct 2021 18:13:40 +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; Sat, 23 Oct 2021 18:13:40 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 1/7] dt-bindings: clock: Add MT8192 APU clock bindings Date: Sat, 23 Oct 2021 18:13:28 +0800 Message-ID: <20211023101334.27686-2-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031346_595040_C45C1C17 X-CRM114-Status: GOOD ( 10.21 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add clock bindings for APU on MT8192. Signed-off-by: Flora Fu Acked-by: Rob Herring Acked-by: Stephen Boyd --- include/dt-bindings/clock/mt8192-clk.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/include/dt-bindings/clock/mt8192-clk.h b/include/dt-bindings/clock/mt8192-clk.h index 5ab68f15a256..d5ac7b6c1d5c 100644 --- a/include/dt-bindings/clock/mt8192-clk.h +++ b/include/dt-bindings/clock/mt8192-clk.h @@ -164,7 +164,15 @@ #define CLK_TOP_APLL12_DIV9 152 #define CLK_TOP_SSUSB_TOP_REF 153 #define CLK_TOP_SSUSB_PHY_REF 154 -#define CLK_TOP_NR_CLK 155 +#define CLK_TOP_DSP_SEL 155 +#define CLK_TOP_DSP1_SEL 156 +#define CLK_TOP_DSP1_NPUPLL_SEL 157 +#define CLK_TOP_DSP2_SEL 158 +#define CLK_TOP_DSP2_NPUPLL_SEL 159 +#define CLK_TOP_DSP5_SEL 160 +#define CLK_TOP_DSP5_APUPLL_SEL 161 +#define CLK_TOP_IPU_IF_SEL 162 +#define CLK_TOP_NR_CLK 163 /* INFRACFG */ @@ -309,7 +317,9 @@ #define CLK_APMIXED_APLL1 8 #define CLK_APMIXED_APLL2 9 #define CLK_APMIXED_MIPID26M 10 -#define CLK_APMIXED_NR_CLK 11 +#define CLK_APMIXED_APUPLL 11 +#define CLK_APMIXED_NPUPLL 12 +#define CLK_APMIXED_NR_CLK 13 /* SCP_ADSP */ From patchwork Sat Oct 23 10:13:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579473 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CC53C433FE for ; Sat, 23 Oct 2021 10:14:33 +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 1924260FC4 for ; Sat, 23 Oct 2021 10:14:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1924260FC4 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; 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Sat, 23 Oct 2021 10:14:17 +0000 X-UUID: f0c8738d6e21419788f61ba55b5df32c-20211023 X-UUID: f0c8738d6e21419788f61ba55b5df32c-20211023 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 323160379; Sat, 23 Oct 2021 03:14:12 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 23 Oct 2021 03:14:11 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 23 Oct 2021 18:14:10 +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; Sat, 23 Oct 2021 18:14:09 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 2/7] clk: mediatek: mt8192: Add APU clocks support Date: Sat, 23 Oct 2021 18:13:29 +0800 Message-ID: <20211023101334.27686-3-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031415_689912_BB135321 X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add APU clocks support on MT8192. Signed-off-by: Flora Fu Acked-by: Stephen Boyd --- drivers/clk/mediatek/clk-mt8192.c | 91 +++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c index cbc7c6dbe0f4..7019caeb0358 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -244,6 +244,65 @@ static const char * const ccu_parents[] = { "univpll_d6_d2" }; +static const char * const dsp_parents[] = { + "clk26m", + "univpll_d6_d2", + "univpll_d4_d2", + "univpll_d5", + "univpll_d4", + "mmpll_d4", + "mainpll_d3", + "univpll_d3" +}; + +static const char * const dsp1_parents[] = { + "clk26m", + "npupll_ck", + "mainpll_d4_d2", + "univpll_d5", + "univpll_d4", + "mainpll_d3", + "univpll_d3", + "apupll_ck" +}; + +static const char * const dsp1_npupll_parents[] = { + "dsp1_sel", + "npupll_ck" +}; + +static const char * const dsp2_parents[] = { + "clk26m", + "npupll_ck", + "mainpll_d4_d2", + "univpll_d5", + "univpll_d4", + "mainpll_d3", + "univpll_d3", + "apupll_ck" +}; + +static const char * const dsp2_npupll_parents[] = { + "dsp2_sel", + "npupll_ck" +}; + +static const char * const dsp5_parents[] = { + "clk26m", + "apupll_ck", + "univpll_d4_d2", + "mainpll_d4", + "univpll_d4", + "mmpll_d4", + "mainpll_d3", + "univpll_d3" +}; + +static const char * const dsp5_apupll_parents[] = { + "dsp5_sel", + "apupll_ck" +}; + static const char * const dsp7_parents[] = { "clk26m", "mainpll_d4_d2", @@ -255,6 +314,17 @@ static const char * const dsp7_parents[] = { "mmpll_d4" }; +static const char * const ipu_if_parents[] = { + "clk26m", + "univpll_d6_d2", + "mainpll_d4_d2", + "univpll_d4_d2", + "univpll_d5", + "mainpll_d4", + "tvdpll_ck", + "univpll_d4" +}; + static const char * const mfg_ref_parents[] = { "clk26m", "clk26m", @@ -734,9 +804,26 @@ static const struct mtk_mux top_mtk_muxes[] = { cam_parents, 0x030, 0x034, 0x038, 16, 4, 23, 0x004, 10), MUX_GATE_CLR_SET_UPD(CLK_TOP_CCU_SEL, "ccu_sel", ccu_parents, 0x030, 0x034, 0x038, 24, 4, 31, 0x004, 11), + /* CLK_CFG_3 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_DSP_SEL, "dsp_sel", + dsp_parents, 0x040, 0x044, 0x048, 0, 3, 7, 0x004, 12), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DSP1_SEL, "dsp1_sel", + dsp1_parents, 0x040, 0x044, 0x048, 8, 3, 15, 0x004, 13), + MUX_CLR_SET_UPD(CLK_TOP_DSP1_NPUPLL_SEL, "dsp1_npupll_sel", + dsp1_npupll_parents, 0x040, 0x044, 0x048, 11, 1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DSP2_SEL, "dsp2_sel", + dsp2_parents, 0x040, 0x044, 0x048, 16, 3, 23, 0x004, 14), + MUX_CLR_SET_UPD(CLK_TOP_DSP2_NPUPLL_SEL, "dsp2_npupll_sel", + dsp2_npupll_parents, 0x040, 0x044, 0x048, 19, 1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DSP5_SEL, "dsp5_sel", + dsp5_parents, 0x040, 0x044, 0x048, 24, 3, 31, 0x004, 15), + MUX_CLR_SET_UPD(CLK_TOP_DSP5_APUPLL_SEL, "dsp5_apupll_sel", + dsp5_apupll_parents, 0x040, 0x044, 0x048, 27, 1, -1, -1), /* CLK_CFG_4 */ MUX_GATE_CLR_SET_UPD(CLK_TOP_DSP7_SEL, "dsp7_sel", dsp7_parents, 0x050, 0x054, 0x058, 0, 3, 7, 0x004, 16), + MUX_GATE_CLR_SET_UPD(CLK_TOP_IPU_IF_SEL, "ipu_if_sel", + ipu_if_parents, 0x050, 0x054, 0x058, 8, 3, 15, 0x004, 17), MUX_GATE_CLR_SET_UPD(CLK_TOP_MFG_REF_SEL, "mfg_ref_sel", mfg_ref_parents, 0x050, 0x054, 0x058, 16, 2, 23, 0x004, 18), MUX_CLR_SET_UPD(CLK_TOP_MFG_PLL_SEL, "mfg_pll_sel", @@ -1175,6 +1262,10 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 0x031c, 24, 0x0040, 0x000c, 0, 0x0320, 0), PLL_B(CLK_APMIXED_APLL2, "apll2", 0x032c, 0x033c, 0x00000000, 0, 0, 32, 0x0330, 24, 0, 0, 0, 0x0334, 0), + PLL_B(CLK_APMIXED_APUPLL, "apupll", 0x03a0, 0x03ac, 0xff000001, + HAVE_RST_BAR, BIT(23), 22, 0x03a4, 24, 0, 0, 0, 0x03a4, 0), + PLL_B(CLK_APMIXED_NPUPLL, "npupll", 0x03b4, 0x03c0, 0x00000001, + 0, 0, 22, 0x03b8, 24, 0, 0, 0, 0x03b8, 0), }; static struct clk_onecell_data *top_clk_data; From patchwork Sat Oct 23 10:13:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579475 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA199C433F5 for ; Sat, 23 Oct 2021 10:15:09 +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 9D70A60FC4 for ; Sat, 23 Oct 2021 10:15:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9D70A60FC4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; 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Sat, 23 Oct 2021 18:14:11 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 3/7] dt-bindings: arm: mediatek: Add new document bindings for APU Date: Sat, 23 Oct 2021 18:13:30 +0800 Message-ID: <20211023101334.27686-4-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031417_604894_C83873B5 X-CRM114-Status: GOOD ( 12.63 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Document the apusys bindings. Signed-off-by: Flora Fu Reviewed-by: Rob Herring --- .../arm/mediatek/mediatek,apusys.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,apusys.yaml diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,apusys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apusys.yaml new file mode 100644 index 000000000000..0f08a6c79f53 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apusys.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,apusys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek APUSYS Controller + +maintainers: + - Flora Fu + +description: + The Mediatek apusys controller provides functional configurations and clocks + to the system. + +properties: + compatible: + items: + - enum: + - mediatek,mt8192-apu-conn + - mediatek,mt8192-apu-vcore + - const: syscon + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + apu_conn: apu_conn@19020000 { + compatible = "mediatek,mt8192-apu-conn", "syscon"; + reg = <0x19020000 0x1000>; + #clock-cells = <1>; + }; + + - | + apu_vcore: apu_vcore@19029000 { + compatible = "mediatek,mt8192-apu-vcore", "syscon"; + reg = <0x19029000 0x1000>; + #clock-cells = <1>; + }; From patchwork Sat Oct 23 10:13:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579477 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5223FC433EF for ; Sat, 23 Oct 2021 10:15:25 +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 194BC60FDA for ; Sat, 23 Oct 2021 10:15:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 194BC60FDA Authentication-Results: mail.kernel.org; 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Sat, 23 Oct 2021 18:14:15 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 4/7] dt-bindings: soc: mediatek: apusys: Add new document for APU power domain Date: Sat, 23 Oct 2021 18:13:31 +0800 Message-ID: <20211023101334.27686-5-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031421_764064_1350B23E X-CRM114-Status: GOOD ( 14.20 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Document the bindings for APU power domain on MediaTek SoC. Signed-off-by: Flora Fu Reviewed-by: Rob Herring --- .../soc/mediatek/mediatek,apu-pm.yaml | 144 ++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pm.yaml diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pm.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pm.yaml new file mode 100644 index 000000000000..5530a8be88ce --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pm.yaml @@ -0,0 +1,144 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# # Copyright 2021 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,apu-pm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek APU Power Domains + +maintainers: + - Flora Fu + +description: | + Mediatek AI Process Unit (APU) include support for power domains which can be + powered up/down by software. + APU subsys belonging to a power domain should contain a 'power-domains' + property that is a phandle for apuspm node representing the domain. + +properties: + compatible: + items: + - enum: + - mediatek,mt8192-apu-pm + - const: syscon + + reg: + description: Address range of the APU power domain controller. + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + '#power-domain-cells': + const: 1 + + vsram-supply: + description: apu sram regulator supply. + + mediatek,scpsys: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + phandle to the device containing the scpsys register range. + + mediatek,apu-conn: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + phandle to the device containing the scpsys apu conn register range. + + mediatek,apu-conn1: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + phandle to the device containing the scpsys apu conn1 register range. + + mediatek,apu-vcore: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + phandle to the device containing the scpsys apu vcore register range. + +patternProperties: + "^power-domain@[0-9a-f]+$": + type: object + description: | + Represents the power domains within the power controller node as + documented in Documentation/devicetree/bindings/power/power-domain.yaml. + + properties: + reg: + description: Power domain index. + maxItems: 1 + + '#power-domain-cells': + description: | + Must be 0 for nodes representing a single PM domain and 1 for nodes + providing multiple PM. + + clocks: + description: | + List of phandles of clocks list. Specify by order according to + power-up sequence. + + clock-names: + description: | + List of names of clocks. Specify by order according to power-up + sequence. + + assigned-clocks: + maxItems: 2 + + assigned-clock-parents: + maxItems: 2 + + domain-supply: + description: domain regulator supply. + + required: + - reg + - '#power-domain-cells' + + additionalProperties: false + +required: + - compatible + - reg + - '#power-domain-cells' + - vsram-supply + - mediatek,scpsys + +additionalProperties: false + +examples: + - | + #include + apuspm: power-domain@190f0000 { + compatible = "mediatek,mt8192-apu-pm", "syscon"; + reg = <0x190f0000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + #power-domain-cells = <1>; + vsram-supply = <&mt6359_vsram_md_ldo_reg>; + mediatek,scpsys = <&scpsys>; + mediatek,apu-conn = <&apu_conn>; + mediatek,apu-vcore = <&apu_vcore>; + + apu_top: power-domain@0 { + reg = <0>; + #power-domain-cells = <0>; + clocks = <&topckgen CLK_TOP_DSP_SEL>, + <&topckgen CLK_TOP_IPU_IF_SEL>, + <&clk26m>, + <&topckgen CLK_TOP_UNIVPLL_D6_D2>; + clock-names = "clk_top_conn", + "clk_top_ipu_if", + "clk_off", + "clk_on_default"; + assigned-clocks = <&topckgen CLK_TOP_DSP_SEL>, + <&topckgen CLK_TOP_IPU_IF_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D6_D2>, + <&topckgen CLK_TOP_UNIVPLL_D6_D2>; + domain-supply = <&mt6359_vproc1_buck_reg>; + }; + }; From patchwork Sat Oct 23 10:13:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579481 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BA05C433F5 for ; Sat, 23 Oct 2021 10:15:46 +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 2A4CB60F5D for ; Sat, 23 Oct 2021 10:15:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2A4CB60F5D Authentication-Results: mail.kernel.org; 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Sat, 23 Oct 2021 18:14:17 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 5/7] soc: mediatek: apu: Add apusys and add apu power domain driver Date: Sat, 23 Oct 2021 18:13:32 +0800 Message-ID: <20211023101334.27686-6-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031427_694698_0F579D7B X-CRM114-Status: GOOD ( 26.93 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add the apusys in soc. Add driver for apu power domains. APU power domain shall be enabled before accessing the internal sub modules. Signed-off-by: Flora Fu --- drivers/soc/mediatek/Kconfig | 19 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/apusys/Makefile | 2 + drivers/soc/mediatek/apusys/mtk-apu-pm.c | 633 +++++++++++++++++++++++ 4 files changed, 655 insertions(+) create mode 100644 drivers/soc/mediatek/apusys/Makefile create mode 100644 drivers/soc/mediatek/apusys/mtk-apu-pm.c diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig index fdd8bc08569e..d9bac2710494 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -5,6 +5,25 @@ menu "MediaTek SoC drivers" depends on ARCH_MEDIATEK || COMPILE_TEST +config MTK_APUSYS + bool "MediaTek APUSYS Support" + select REGMAP + help + Say yes here to add support for the MediaTek AI Processing Unit + Subsystem (APUSYS). + The APUSYS is a proprietary hardware in SoC to support AI + operations. + +config MTK_APU_PM + bool "MediaTek APU power management support" + select REGMAP + select PM_GENERIC_DOMAINS if PM + help + Say yes here to add support for power management control + to Mediatek AI Processing Unit Subsystem (APUSYS). + APU power domain shall be enabled before accessing the + internal sub modules. + config MTK_CMDQ tristate "MediaTek CMDQ Support" depends on ARCH_MEDIATEK || COMPILE_TEST diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile index 90270f8114ed..e46e7a3c21e7 100644 --- a/drivers/soc/mediatek/Makefile +++ b/drivers/soc/mediatek/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_MTK_APUSYS) += apusys/ obj-$(CONFIG_MTK_CMDQ) += mtk-cmdq-helper.o obj-$(CONFIG_MTK_DEVAPC) += mtk-devapc.o obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o diff --git a/drivers/soc/mediatek/apusys/Makefile b/drivers/soc/mediatek/apusys/Makefile new file mode 100644 index 000000000000..8821c0f0b7b7 --- /dev/null +++ b/drivers/soc/mediatek/apusys/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_MTK_APU_PM) += mtk-apu-pm.o diff --git a/drivers/soc/mediatek/apusys/mtk-apu-pm.c b/drivers/soc/mediatek/apusys/mtk-apu-pm.c new file mode 100644 index 000000000000..828aa9eb6b37 --- /dev/null +++ b/drivers/soc/mediatek/apusys/mtk-apu-pm.c @@ -0,0 +1,633 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define APU_PD_IPUIF_HW_CG BIT(0) +#define APU_PD_RPC_AUTO_BUCK BIT(1) +#define APU_PD_CAPS(_pd, _x) ((_pd)->data->caps & (_x)) + +#define MTK_POLL_DELAY_US 10 +#define MTK_POLL_TIMEOUT USEC_PER_SEC + +/* rpc_top_con*/ +#define SLEEP_REQ BIT(0) +#define APU_BUCK_ELS_EN BIT(3) + +/*conn_clr, conn1_clr, vcore_clr */ +#define CG_CLR (0xFFFFFFFF) + +/* mt8192 rpc_sw_type */ +#define MT8192_RPC_SW_TYPE0 (0x200) +#define MT8192_RPC_SW_TYPE1 (0x210) +#define MT8192_RPC_SW_TYPE2 (0x220) +#define MT8192_RPC_SW_TYPE3 (0x230) +#define MT8192_RPC_SW_TYPE4 (0x240) +#define MT8192_RPC_SW_TYPE6 (0x260) +#define MT8192_RPC_SW_TYPE7 (0x270) + +/* rpc_sw_type*/ +static const struct reg_sequence mt8192_rpc_sw_type[] = { + { MT8192_RPC_SW_TYPE0, 0xFF }, + { MT8192_RPC_SW_TYPE2, 0x7 }, + { MT8192_RPC_SW_TYPE3, 0x7 }, + { MT8192_RPC_SW_TYPE6, 0x3 }, +}; + +struct apu_top_domain { + u32 spm_ext_buck_iso; + u32 spm_ext_buck_iso_mask; + u32 spm_cross_wake_m01; + u32 wake_apu; + u32 spm_other_pwr; + u32 pwr_status; + u32 conn_clr; + u32 conn1_clr; + u32 vcore_clr; + u32 rpc_top_con; + u32 rpc_top_con_init_mask; + u32 rpc_top_sel; + u32 rpc_top_intf_pwr_rdy; + u32 pwr_rdy; + const struct reg_sequence *rpc_sw_type; + int rpc_sw_ntype; +}; + +static struct apu_top_domain mt8192_top_reg = { + .spm_ext_buck_iso = 0x39C, + .spm_ext_buck_iso_mask = 0x21, + .spm_cross_wake_m01 = 0x670, + .wake_apu = BIT(0), + .spm_other_pwr = 0x178, + .pwr_status = BIT(5), + .conn_clr = 0x008, + .vcore_clr = 0x008, + .rpc_top_con = 0x000, + .rpc_top_con_init_mask = 0x49E, + .rpc_top_sel = 0x004, + .rpc_top_intf_pwr_rdy = 0x044, + .pwr_rdy = BIT(0), + .rpc_sw_type = mt8192_rpc_sw_type, + .rpc_sw_ntype = ARRAY_SIZE(mt8192_rpc_sw_type), +}; + +struct apusys { + struct device *dev; + struct regmap *scpsys; + struct regmap *conn; + struct regmap *conn1; + struct regmap *vcore; + struct regmap *rpc; + struct regulator *vsram_supply; + const struct apu_pm_data *data; + struct genpd_onecell_data pd_data; + struct generic_pm_domain *domains[]; +}; + +struct apu_domain { + struct generic_pm_domain genpd; + const struct apu_domain_data *data; + struct apusys *apusys; + struct regulator *domain_supply; + int num_clks; + struct clk_bulk_data *clks; + struct clk *clk_top_conn; + struct clk *clk_top_ipu_if; + struct clk *clk_off; + struct clk *clk_on_def; +}; + +struct apu_domain_data { + int domain_idx; + char *name; + struct apu_top_domain *topd; + u8 caps; +}; + +struct apu_pm_data { + const struct apu_domain_data *domains_data; + int num_domains; +}; + +#define to_apu_domain(gpd) container_of(gpd, struct apu_domain, genpd) + +static int apu_top_init_hw(struct apu_domain *pd) +{ + struct apusys *apusys = pd->apusys; + int ret; + + /* + * set memory type to PD or sleep group + * sw_type register for each memory group, set to PD mode default + */ + if (pd->data->topd->rpc_sw_ntype) { + ret = regmap_register_patch(apusys->rpc, + pd->data->topd->rpc_sw_type, + pd->data->topd->rpc_sw_ntype); + if (ret < 0) { + dev_err(apusys->dev, "Failed to rpc patch: %d\n", ret); + return ret; + } + } + + /* mask RPC IRQ and bypass WFI */ + regmap_set_bits(apusys->rpc, pd->data->topd->rpc_top_sel, + pd->data->topd->rpc_top_con_init_mask); + + if (APU_PD_CAPS(pd, APU_PD_RPC_AUTO_BUCK)) + regmap_set_bits(apusys->rpc, + pd->data->topd->rpc_top_con, APU_BUCK_ELS_EN); + + return 0; +} + +static const struct apu_domain_data apu_domain_data_mt8192[] = { + { + .domain_idx = 0, + .name = "apu-top", + .caps = APU_PD_IPUIF_HW_CG, + .topd = &mt8192_top_reg, + } +}; + +static const struct apu_pm_data mt8192_apu_pm_data = { + .domains_data = apu_domain_data_mt8192, + .num_domains = ARRAY_SIZE(apu_domain_data_mt8192), +}; + +static int apu_top_power_on(struct generic_pm_domain *genpd) +{ + struct apu_domain *pd = to_apu_domain(genpd); + struct apusys *apusys = pd->apusys; + int ret, tmp; + + if (apusys->vsram_supply) { + ret = regulator_enable(apusys->vsram_supply); + if (ret < 0) + return ret; + } + + if (pd->domain_supply) { + ret = regulator_enable(pd->domain_supply); + if (ret < 0) + goto err_regulator; + } + + regmap_clear_bits(apusys->scpsys, pd->data->topd->spm_ext_buck_iso, + pd->data->topd->spm_ext_buck_iso_mask); + + regmap_set_bits(apusys->rpc, pd->data->topd->rpc_top_sel, + pd->data->topd->rpc_top_con_init_mask); + + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + ret = clk_prepare_enable(pd->clk_top_conn); + if (ret) { + dev_err(apusys->dev, "Failed enable top_conn clk\n"); + goto err_clk; + } + + ret = clk_set_parent(pd->clk_top_ipu_if, pd->clk_on_def); + if (ret) { + dev_err(apusys->dev, "Failed set ipu_if mux\n"); + goto err_clk; + } + + /* The ipu_if clock is gatting by HW. Only enable once. */ + if (!__clk_is_enabled(pd->clk_top_ipu_if)) { + ret = clk_prepare_enable(pd->clk_top_ipu_if); + if (ret) { + dev_err(apusys->dev, "Failed enable ipu_if\n"); + goto err_clk; + } + } + } else { + ret = clk_bulk_prepare_enable(pd->num_clks, pd->clks); + if (ret) + goto err_clk; + } + + regmap_set_bits(apusys->scpsys, + pd->data->topd->spm_cross_wake_m01, + pd->data->topd->wake_apu); + + ret = regmap_read_poll_timeout(apusys->scpsys, + pd->data->topd->spm_other_pwr, + tmp, + (tmp & pd->data->topd->pwr_status) == + pd->data->topd->pwr_status, + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + if (ret < 0) { + dev_err(apusys->dev, "apu top on wait SPM PWR_ACK != 0\n"); + goto err_clk; + } + + ret = regmap_read_poll_timeout(apusys->rpc, + pd->data->topd->rpc_top_intf_pwr_rdy, + tmp, (tmp & pd->data->topd->pwr_rdy) == + pd->data->topd->pwr_rdy, + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + if (ret < 0) { + dev_err(apusys->dev, "apu top on wait RPC PWR_RDY != 0\n"); + goto err_clk; + } + + if (apusys->vcore) + regmap_write(apusys->vcore, pd->data->topd->vcore_clr, CG_CLR); + + if (apusys->conn) + regmap_write(apusys->conn, pd->data->topd->conn_clr, CG_CLR); + + if (apusys->conn1) + regmap_write(apusys->conn1, pd->data->topd->conn1_clr, CG_CLR); + + return 0; + +err_clk: + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + clk_disable_unprepare(pd->clk_top_conn); + clk_disable_unprepare(pd->clk_top_ipu_if); + } else { + clk_bulk_disable_unprepare(pd->num_clks, pd->clks); + } + if (pd->domain_supply) + ret = regulator_disable(pd->domain_supply); +err_regulator: + if (apusys->vsram_supply) + ret = regulator_disable(apusys->vsram_supply); + + return ret; +} + +static int apu_top_power_off(struct generic_pm_domain *genpd) +{ + struct apu_domain *pd = to_apu_domain(genpd); + struct apusys *apusys = pd->apusys; + int ret, tmp; + + if (apusys->vcore) + regmap_write(apusys->vcore, pd->data->topd->vcore_clr, CG_CLR); + + if (apusys->conn) + regmap_write(apusys->conn, pd->data->topd->conn_clr, CG_CLR); + + if (apusys->conn1) + regmap_write(apusys->conn1, pd->data->topd->conn1_clr, CG_CLR); + + regmap_clear_bits(apusys->scpsys, + pd->data->topd->spm_cross_wake_m01, + pd->data->topd->wake_apu); + + regmap_set_bits(apusys->rpc, pd->data->topd->rpc_top_con, SLEEP_REQ); + + ret = regmap_read_poll_timeout(apusys->rpc, + pd->data->topd->rpc_top_intf_pwr_rdy, + tmp, + (tmp & pd->data->topd->pwr_rdy) == 0x0, + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + if (ret < 0) { + dev_err(apusys->dev, "apu top off wait RPC PWR_RDY != 0\n"); + return ret; + } + + ret = regmap_read_poll_timeout(apusys->scpsys, + pd->data->topd->spm_other_pwr, tmp, + (tmp & pd->data->topd->pwr_status) == 0x0, + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + if (ret < 0) { + dev_err(apusys->dev, "apu top off wait SPM PWR_ACK != 0\n"); + return ret; + } + + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + clk_disable_unprepare(pd->clk_top_conn); + ret = clk_set_parent(pd->clk_top_ipu_if, pd->clk_off); + if (ret) { + dev_err(apusys->dev, "Failed set ipu_if rate\n"); + return ret; + } + } else { + clk_bulk_disable_unprepare(pd->num_clks, pd->clks); + } + + regmap_set_bits(apusys->scpsys, + pd->data->topd->spm_ext_buck_iso, + pd->data->topd->spm_ext_buck_iso_mask); + + if (apusys->vsram_supply) { + ret = regulator_disable(apusys->vsram_supply); + if (ret < 0) + return ret; + } + + if (pd->domain_supply) { + ret = regulator_disable(pd->domain_supply); + if (ret < 0) + return ret; + } + + return 0; +} + +static struct generic_pm_domain *apu_add_one_domain(struct apusys *apusys, + struct device_node *node) +{ + const struct apu_domain_data *domain_data; + struct apu_domain *pd; + int ret; + u32 id; + int i; + struct clk *clk; + + ret = of_property_read_u32(node, "reg", &id); + if (ret) { + dev_dbg(apusys->dev, "%pOF: invalid reg: %d\n", node, ret); + return ERR_PTR(-EINVAL); + } + + if (id >= apusys->data->num_domains) { + dev_dbg(apusys->dev, "%pOF: invalid id %d\n", node, id); + return ERR_PTR(-EINVAL); + } + + domain_data = &apusys->data->domains_data[id]; + + pd = devm_kzalloc(apusys->dev, sizeof(*pd), GFP_KERNEL); + if (!pd) + return ERR_PTR(-ENOMEM); + + pd->data = domain_data; + pd->apusys = apusys; + + pd->domain_supply = devm_regulator_get_optional(apusys->dev, "domain"); + if (IS_ERR(pd->domain_supply)) + pd->domain_supply = NULL; + + /* + * For HW using ipu_if, the clock is switched to 26M + * when power down top domain and switch to default clock rate + * before power on. + */ + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + pd->clk_top_conn = of_clk_get_by_name(node, "clk_top_conn"); + if (IS_ERR(pd->clk_top_conn)) { + dev_err(apusys->dev, "Fail to get clk_top_conn clock\n"); + ret = PTR_ERR(pd->clk_top_conn); + goto err_put_clocks; + } + + pd->clk_top_ipu_if = of_clk_get_by_name(node, "clk_top_ipu_if"); + if (IS_ERR(pd->clk_top_ipu_if)) { + dev_err(apusys->dev, "Fail to get clk_top_ipu_if clock\n"); + ret = PTR_ERR(pd->clk_top_ipu_if); + goto err_put_clocks; + } + + pd->clk_off = of_clk_get_by_name(node, "clk_off"); + if (IS_ERR(pd->clk_off)) { + dev_err(apusys->dev, "Fail to get clk_off clock\n"); + ret = PTR_ERR(pd->clk_off); + goto err_put_clocks; + } + + pd->clk_on_def = of_clk_get_by_name(node, "clk_on_default"); + if (IS_ERR(pd->clk_on_def)) { + dev_err(apusys->dev, "Fail to get clk_on_default clock\n"); + ret = PTR_ERR(pd->clk_on_def); + goto err_put_clocks; + } + } else { + pd->num_clks = of_clk_get_parent_count(node); + if (pd->num_clks > 0) { + pd->clks = devm_kcalloc(apusys->dev, pd->num_clks, + sizeof(*pd->clks), GFP_KERNEL); + if (!pd->clks) + return ERR_PTR(-ENOMEM); + } + + for (i = 0; i < pd->num_clks; i++) { + clk = of_clk_get(node, i); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + dev_dbg(apusys->dev, + "%pOF: failed to get clk at index %d: %d\n", + node, i, ret); + goto err_put_clocks; + } + pd->clks[i].clk = clk; + } + } + + if (apusys->domains[id]) { + ret = -EINVAL; + dev_err(apusys->dev, "domain id %d already exists\n", id); + goto err_put_clocks; + } + + /* set rpc hw init status */ + ret = apu_top_init_hw(pd); + if (ret < 0) { + dev_dbg(apusys->dev, "top init fail ret = %d\n", ret); + goto err_put_clocks; + } + + if (!pd->data->name) + pd->genpd.name = node->name; + else + pd->genpd.name = pd->data->name; + pd->genpd.power_off = apu_top_power_off; + pd->genpd.power_on = apu_top_power_on; + + /* + * Initially turn on all domains to make the domains usable + * with !CONFIG_PM and to get the hardware in sync with the + * software. The unused domains will be switched off during + * late_init time. + */ + ret = pd->genpd.power_on(&pd->genpd); + if (ret < 0) { + dev_dbg(apusys->dev, "%pOF: power on domain fail: %d\n", + node, ret); + goto err_put_clocks; + } + + pm_genpd_init(&pd->genpd, NULL, false); + + apusys->domains[id] = &pd->genpd; + + return apusys->pd_data.domains[id]; + +err_put_clocks: + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + clk_put(pd->clk_top_conn); + clk_put(pd->clk_top_ipu_if); + clk_put(pd->clk_off); + clk_put(pd->clk_on_def); + } else { + clk_bulk_put(pd->num_clks, pd->clks); + } + return ERR_PTR(ret); +} + +static void apu_remove_one_domain(struct apu_domain *pd) +{ + int ret; + + if (pd->genpd.power_off) + pd->genpd.power_off(&pd->genpd); + + /* + * We're in the error cleanup already, so we only complain, + * but won't emit another error on top of the original one. + */ + ret = pm_genpd_remove(&pd->genpd); + if (ret < 0) + dev_dbg(pd->apusys->dev, + "Remove domain '%s' : %d - state may be inconsistent\n", + pd->genpd.name, ret); + + if (APU_PD_CAPS(pd, APU_PD_IPUIF_HW_CG)) { + clk_put(pd->clk_top_conn); + clk_put(pd->clk_top_ipu_if); + clk_put(pd->clk_off); + clk_put(pd->clk_on_def); + } else { + clk_bulk_put(pd->num_clks, pd->clks); + } +} + +static void apu_domain_cleanup(struct apusys *apusys) +{ + struct generic_pm_domain *genpd; + struct apu_domain *pd; + int i; + + for (i = apusys->pd_data.num_domains - 1; i >= 0; i--) { + genpd = apusys->pd_data.domains[i]; + if (genpd) { + pd = to_apu_domain(genpd); + apu_remove_one_domain(pd); + } + } +} + +static const struct of_device_id apu_pm_of_match[] = { + { + .compatible = "mediatek,mt8192-apu-pm", + .data = &mt8192_apu_pm_data, + }, + { } +}; + +static int apu_pm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct apu_pm_data *data; + struct device_node *node; + struct apusys *apusys; + int ret; + + data = of_device_get_match_data(&pdev->dev); + if (!data) { + dev_dbg(dev, "no power domain data\n"); + return -EINVAL; + } + + apusys = devm_kzalloc(dev, + struct_size(apusys, domains, data->num_domains), + GFP_KERNEL); + if (!apusys) + return -ENOMEM; + + apusys->dev = dev; + apusys->data = data; + apusys->pd_data.domains = apusys->domains; + apusys->pd_data.num_domains = data->num_domains; + + apusys->vsram_supply = devm_regulator_get_optional(dev, "vsram"); + if (IS_ERR(apusys->vsram_supply)) { + ret = PTR_ERR(apusys->vsram_supply); + if (ret != -EPROBE_DEFER) { + dev_err(dev, "vsram_supply fail, ret=%d", ret); + apusys->vsram_supply = NULL; + } + return ret; + } + + /* rpc */ + apusys->rpc = syscon_node_to_regmap(np); + if (IS_ERR(apusys->rpc)) { + dev_err(dev, "Unable to get rpc\n"); + return PTR_ERR(apusys->rpc); + } + + /* scpsys */ + apusys->scpsys = syscon_regmap_lookup_by_phandle(np, "mediatek,scpsys"); + if (IS_ERR(apusys->scpsys)) { + dev_err(dev, "Unable to get scpsys\n"); + return PTR_ERR(apusys->scpsys); + } + + /* apusys conn */ + apusys->conn = syscon_regmap_lookup_by_phandle_optional(np, "mediatek,apu-conn"); + if (IS_ERR(apusys->conn)) + dev_info(dev, "No optional phandle apu-conn\n"); + + /* apusys conn1 */ + apusys->conn1 = syscon_regmap_lookup_by_phandle_optional(np, "mediatek,apu-conn1"); + if (IS_ERR(apusys->conn1)) + dev_info(dev, "No optional phandle apu-conn1\n"); + + /* apusys vcore */ + apusys->vcore = syscon_regmap_lookup_by_phandle_optional(np, "mediatek,apu-vcore"); + if (IS_ERR(apusys->vcore)) + dev_info(dev, "No optional phandle apu-vcore\n"); + + for_each_available_child_of_node(np, node) { + struct generic_pm_domain *domain; + + domain = apu_add_one_domain(apusys, node); + if (IS_ERR(domain)) { + ret = PTR_ERR(domain); + of_node_put(node); + goto err_cleanup_domains; + } + } + + ret = of_genpd_add_provider_onecell(np, &apusys->pd_data); + if (ret) { + dev_dbg(dev, "failed to add provider: %d\n", ret); + goto err_cleanup_domains; + } + + return 0; + +err_cleanup_domains: + apu_domain_cleanup(apusys); + return ret; +} + +static struct platform_driver apu_pm_driver = { + .probe = apu_pm_probe, + .driver = { + .name = "mtk-apu-pm", + .suppress_bind_attrs = true, + .of_match_table = apu_pm_of_match, + }, +}; +builtin_platform_driver(apu_pm_driver); From patchwork Sat Oct 23 10:13:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579483 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EA58C433EF for ; Sat, 23 Oct 2021 10:16:31 +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 0959E60FC4 for ; Sat, 23 Oct 2021 10:16:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0959E60FC4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; 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Sat, 23 Oct 2021 18:14:18 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 6/7] arm64: dts: mt8192: Add APU node Date: Sat, 23 Oct 2021 18:13:33 +0800 Message-ID: <20211023101334.27686-7-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031436_713200_94E6020B X-CRM114-Status: GOOD ( 10.08 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add APU node to MT8192. Signed-off-by: Flora Fu --- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index c2ba5280a7a2..72bbc3b4abf9 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -916,6 +916,18 @@ #clock-cells = <1>; }; + apu_conn: apu_conn@19020000 { + compatible = "mediatek,mt8192-apu-conn", "syscon"; + reg = <0 0x19020000 0 0x1000>; + #clock-cells = <1>; + }; + + apu_vcore: apu_vcore@19029000 { + compatible = "mediatek,mt8192-apu-vcore", "syscon"; + reg = <0 0x19029000 0 0x1000>; + #clock-cells = <1>; + }; + camsys: clock-controller@1a000000 { compatible = "mediatek,mt8192-camsys"; reg = <0 0x1a000000 0 0x1000>; From patchwork Sat Oct 23 10:13:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Flora Fu X-Patchwork-Id: 12579479 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63553C433EF for ; Sat, 23 Oct 2021 10:15:46 +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 2D92B60FD9 for ; Sat, 23 Oct 2021 10:15:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2D92B60FD9 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=3dE1y4voiAjPJtMlmRSM0d7ueil0Wt7RPCjLoHDczi4=; b=26sGv00vqsPdlg rNy1NHNpIzyFSvEItPjCH3wcWu3ZXp+P/00CxmBUghBeME+/u0Hbug4GMhFRt2ZqPmjvpm9r3GZfg zDAy5fbOXOlQRTA8EBE98EmGGR4mJY+03mHzAYP86TOtMNihVMbjKJOePV2fv0hk/CJ227EqNAbR4 lsH5rByo3g+fT1c3AJY/cR823nEcjLCZS9CoticD5znuQnNji45kry4lF4hpJIRh3OSrC4hSAitk4 8gd6VeQUFgbvIYIZ6Roaa9fXOChCZZ57pZJgqM3eBuzjOLoAYuLmL9iA69UbvPiemS4PdCBQpXQ0J OH3wUXdxc9J7KQ86V1MQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1meE3o-00CXWG-4Z; Sat, 23 Oct 2021 10:15:32 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1meE2q-00CWxa-Lw; Sat, 23 Oct 2021 10:14:34 +0000 X-UUID: cb505f310a0b40d3af6de42c1c02df4e-20211023 X-UUID: cb505f310a0b40d3af6de42c1c02df4e-20211023 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 706710381; Sat, 23 Oct 2021 03:14:24 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 23 Oct 2021 03:14:22 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 23 Oct 2021 18:14:20 +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; Sat, 23 Oct 2021 18:14:20 +0800 From: Flora Fu To: Rob Herring , Matthias Brugger , Michael Turquette , Stephen Boyd CC: Liam Girdwood , Mark Brown , Flora Fu , Ikjoon Jang , "Chun-Jie Chen" , , , , , Subject: [PATCH v3 7/7] arm64: dts: mt8192: Add APU power domain node Date: Sat, 23 Oct 2021 18:13:34 +0800 Message-ID: <20211023101334.27686-8-flora.fu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211023101334.27686-1-flora.fu@mediatek.com> References: <20211023101334.27686-1-flora.fu@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-20211023_031432_765391_C37821C2 X-CRM114-Status: GOOD ( 11.21 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add APU power domain node to MT8192. Signed-off-by: Flora Fu --- Note: This patch depends on mt8192/mt6359 dts patches which haven't yet been accepted. This series is based on MT8192 clock[1][2] and MT8193/PMIC[3][4] patches. [1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=521655 [2] https://patchwork.kernel.org/patch/12134935 [3] https://patchwork.kernel.org/patch/12140237 --- arch/arm64/boot/dts/mediatek/mt8192-evb.dts | 7 ++++++ arch/arm64/boot/dts/mediatek/mt8192.dtsi | 27 +++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts index 808be492e970..5d9e108e41f5 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts @@ -28,3 +28,10 @@ &uart0 { status = "okay"; }; + +&apuspm { + vsram-supply = <&mt6359_vsram_md_ldo_reg>; + apu_top: power-domain@0 { + domain-supply = <&mt6359_vproc1_buck_reg>; + }; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index 72bbc3b4abf9..7014082637b0 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -928,6 +928,33 @@ #clock-cells = <1>; }; + apuspm: power-domain@190f0000 { + compatible = "mediatek,mt8192-apu-pm", "syscon"; + reg = <0 0x190f0000 0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + #power-domain-cells = <1>; + mediatek,scpsys = <&scpsys>; + mediatek,apu-conn = <&apu_conn>; + mediatek,apu-vcore = <&apu_vcore>; + apu_top: power-domain@0 { + reg = <0>; + #power-domain-cells = <0>; + clocks = <&topckgen CLK_TOP_DSP_SEL>, + <&topckgen CLK_TOP_IPU_IF_SEL>, + <&clk26m>, + <&topckgen CLK_TOP_UNIVPLL_D6_D2>; + clock-names = "clk_top_conn", + "clk_top_ipu_if", + "clk_off", + "clk_on_default"; + assigned-clocks = <&topckgen CLK_TOP_DSP_SEL>, + <&topckgen CLK_TOP_IPU_IF_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D6_D2>, + <&topckgen CLK_TOP_UNIVPLL_D6_D2>; + }; + }; + camsys: clock-controller@1a000000 { compatible = "mediatek,mt8192-camsys"; reg = <0 0x1a000000 0 0x1000>;