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Sun, 02 Aug 2020 22:18:57 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 2 Aug 2020 23:17:08 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 3 Aug 2020 14:17:06 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Aug 2020 14:17:07 +0800 From: Crystal Guo To: , , Subject: [v2, 1/6] dt-binding: reset-controller: ti: add assert-deassert-together property Date: Mon, 3 Aug 2020 14:15:06 +0800 Message-ID: <20200803061511.29555-2-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200803061511.29555-1-crystal.guo@mediatek.com> References: <20200803061511.29555-1-crystal.guo@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-20200803_021905_559291_E8E56160 X-CRM114-Status: GOOD ( 11.40 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Crystal Guo , yong.liang@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org add assert-deassert-together property to allow device to do serialized assert and deassert operations in a single step by 'reset' method. Signed-off-by: Crystal Guo --- Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt index 86945502ccb5..903d1979942f 100644 --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt @@ -59,6 +59,9 @@ Required properties: Please also refer to Documentation/devicetree/bindings/reset/reset.txt for common reset controller usage by consumers. +Optional properties: +- assert-deassert-together: Allow device to do serialized assert and deassert operations in a single step by 'reset' method. + Example: -------- The following example demonstrates a syscon node, the reset controller node From patchwork Mon Aug 3 06:15:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 11697377 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6A40A913 for ; 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Mon, 3 Aug 2020 14:17:07 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Aug 2020 14:17:08 +0800 From: Crystal Guo To: , , Subject: [v2,2/6] dt-binding: reset-controller: ti: add update-force property Date: Mon, 3 Aug 2020 14:15:07 +0800 Message-ID: <20200803061511.29555-3-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200803061511.29555-1-crystal.guo@mediatek.com> References: <20200803061511.29555-1-crystal.guo@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-20200803_021719_571892_2DB21B21 X-CRM114-Status: GOOD ( 11.52 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Crystal Guo , yong.liang@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org add update-force property to force the write operation in case the read already happens to return the correct value. Signed-off-by: Crystal Guo --- Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt index 903d1979942f..d551161ae785 100644 --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt @@ -61,6 +61,7 @@ common reset controller usage by consumers. Optional properties: - assert-deassert-together: Allow device to do serialized assert and deassert operations in a single step by 'reset' method. +- update-force: Force the write operation in case the read already happens to return the correct value. 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Sun, 02 Aug 2020 22:27:10 -0800 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; Sun, 2 Aug 2020 23:17:11 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 3 Aug 2020 14:17:08 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Aug 2020 14:17:09 +0800 From: Crystal Guo To: , , Subject: [v2, 3/6] dt-binding: reset-controller: ti: add generic-reset to compatible Date: Mon, 3 Aug 2020 14:15:08 +0800 Message-ID: <20200803061511.29555-4-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200803061511.29555-1-crystal.guo@mediatek.com> References: <20200803061511.29555-1-crystal.guo@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-20200803_022715_057768_8F7A89BE X-CRM114-Status: GOOD ( 11.45 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Crystal Guo , yong.liang@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The TI syscon reset controller provides a common reset management, and should be suitable for other SOCs. Add compatible "generic-reset", which denotes to use a common reset-controller driver. Signed-off-by: Crystal Guo --- Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt index d551161ae785..e36d3631eab2 100644 --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt @@ -25,6 +25,7 @@ Required properties: "ti,k2l-pscrst" "ti,k2hk-pscrst" "ti,syscon-reset" + "generic-reset", "ti,syscon-reset" - #reset-cells : Should be 1. Please see the reset consumer node below for usage details - ti,reset-bits : Contains the reset control register information From patchwork Mon Aug 3 06:15:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 11697375 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EA159722 for ; Mon, 3 Aug 2020 06:19:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 C0D6D20672 for ; Mon, 3 Aug 2020 06:19:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kLrlaJ6k"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="PBtAdG3O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C0D6D20672 Authentication-Results: mail.kernel.org; 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Sun, 02 Aug 2020 22:18:57 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 2 Aug 2020 23:17:11 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 3 Aug 2020 14:17:10 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Aug 2020 14:17:10 +0800 From: Crystal Guo To: , , Subject: [v2,4/6] reset-controller: ti: introduce a new reset handler Date: Mon, 3 Aug 2020 14:15:09 +0800 Message-ID: <20200803061511.29555-5-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200803061511.29555-1-crystal.guo@mediatek.com> References: <20200803061511.29555-1-crystal.guo@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-20200803_021906_637523_98E6C4CC X-CRM114-Status: GOOD ( 13.76 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Crystal Guo , yong.liang@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add ti_syscon_reset() to integrate assert and deassert together. If some modules need do serialized assert and deassert operations to reset itself, reset_control_reset can be called for convenience. Change-Id: I9046992b115a46f3594de57fa89c6a2de9957d49 --- drivers/reset/reset-ti-syscon.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/reset/reset-ti-syscon.c b/drivers/reset/reset-ti-syscon.c index a2635c21db7f..1c74bcb9a6c3 100644 --- a/drivers/reset/reset-ti-syscon.c +++ b/drivers/reset/reset-ti-syscon.c @@ -56,6 +56,7 @@ struct ti_syscon_reset_data { struct regmap *regmap; struct ti_syscon_reset_control *controls; unsigned int nr_controls; + bool assert_deassert_together; }; #define to_ti_syscon_reset_data(rcdev) \ @@ -158,10 +159,24 @@ static int ti_syscon_reset_status(struct reset_controller_dev *rcdev, !(control->flags & STATUS_SET); } +static int ti_syscon_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct ti_syscon_reset_data *data = to_ti_syscon_reset_data(rcdev); + + if (data->assert_deassert_together) { + ti_syscon_reset_assert(rcdev, id); + return ti_syscon_reset_deassert(rcdev, id); + } else { + return -ENOTSUPP; + } +} + static const struct reset_control_ops ti_syscon_reset_ops = { .assert = ti_syscon_reset_assert, .deassert = ti_syscon_reset_deassert, .status = ti_syscon_reset_status, + .reset = ti_syscon_reset, }; static int ti_syscon_reset_probe(struct platform_device *pdev) @@ -204,6 +219,11 @@ static int ti_syscon_reset_probe(struct platform_device *pdev) controls[i].flags = be32_to_cpup(list++); } + if (of_property_read_bool(np, "assert-deassert-together")) + data->assert_deassert_together = true; + else + data->assert_deassert_together = false; + data->rcdev.ops = &ti_syscon_reset_ops; data->rcdev.owner = THIS_MODULE; data->rcdev.of_node = np; From patchwork Mon Aug 3 06:15:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 11697407 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 23AEF1392 for ; Mon, 3 Aug 2020 06:28:49 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 F0FE8206D4 for ; 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Signed-off-by: Crystal Guo Acked-by: Stanley Chu --- drivers/reset/reset-ti-syscon.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/reset/reset-ti-syscon.c b/drivers/reset/reset-ti-syscon.c index 1c74bcb9a6c3..f4baf78afd14 100644 --- a/drivers/reset/reset-ti-syscon.c +++ b/drivers/reset/reset-ti-syscon.c @@ -57,6 +57,7 @@ struct ti_syscon_reset_data { struct ti_syscon_reset_control *controls; unsigned int nr_controls; bool assert_deassert_together; + bool update_force; }; #define to_ti_syscon_reset_data(rcdev) \ @@ -90,7 +91,10 @@ static int ti_syscon_reset_assert(struct reset_controller_dev *rcdev, mask = BIT(control->assert_bit); value = (control->flags & ASSERT_SET) ? mask : 0x0; - return regmap_update_bits(data->regmap, control->assert_offset, mask, value); + if (data->update_force) + return regmap_write_bits(data->regmap, control->assert_offset, mask, value); + else + return regmap_update_bits(data->regmap, control->assert_offset, mask, value); } /** @@ -121,7 +125,10 @@ static int ti_syscon_reset_deassert(struct reset_controller_dev *rcdev, mask = BIT(control->deassert_bit); value = (control->flags & DEASSERT_SET) ? mask : 0x0; - return regmap_update_bits(data->regmap, control->deassert_offset, mask, value); + if (data->update_force) + return regmap_write_bits(data->regmap, control->deassert_offset, mask, value); + else + return regmap_update_bits(data->regmap, control->deassert_offset, mask, value); } /** @@ -223,6 +230,10 @@ static int ti_syscon_reset_probe(struct platform_device *pdev) data->assert_deassert_together = true; else data->assert_deassert_together = false; + if (of_property_read_bool(np, "update-force")) + data->update_force = true; + else + data->update_force = false; data->rcdev.ops = &ti_syscon_reset_ops; data->rcdev.owner = THIS_MODULE; From patchwork Mon Aug 3 06:15:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Crystal Guo X-Patchwork-Id: 11697395 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BFAC113B6 for ; 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Mon, 3 Aug 2020 14:17:12 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Aug 2020 14:17:13 +0800 From: Crystal Guo To: , , Subject: [v2,6/6] arm64: dts: mt8192: add infracfg_rst node Date: Mon, 3 Aug 2020 14:15:11 +0800 Message-ID: <20200803061511.29555-7-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200803061511.29555-1-crystal.guo@mediatek.com> References: <20200803061511.29555-1-crystal.guo@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-20200803_021907_715422_287263AB X-CRM114-Status: GOOD ( 12.25 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Crystal Guo , yong.liang@mediatek.com, srv_heupstream@mediatek.com, seiya.wang@mediatek.com, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org add infracfg_rst node which is for MT8192 platform Signed-off-by: Crystal Guo --- arch/arm64/boot/dts/mediatek/mt8192.dtsi | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi index 931e1ca17220..c97eff3aa48d 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi @@ -10,6 +10,7 @@ #include #include #include +#include / { compatible = "mediatek,mt8192"; @@ -219,9 +220,19 @@ }; infracfg: infracfg@10001000 { - compatible = "mediatek,mt8192-infracfg", "syscon"; + compatible = "mediatek,mt8192-infracfg", "syscon", "simple-mfd"; reg = <0 0x10001000 0 0x1000>; #clock-cells = <1>; + + infracfg_rst: reset-controller { + compatible = "generic-reset", "ti,syscon-reset"; + #reset-cells = <1>; + ti,reset-bits = < + 0x140 15 0x144 15 0 0 (ASSERT_SET | DEASSERT_SET | STATUS_NONE) /* 0: pcie */ + >; + assert-deassert-together; + update-force; + }; }; pericfg: pericfg@10003000 {