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Sun, 16 Feb 2020 09:35:07 -0800 (PST) From: Anand Moon To: Rob Herring , Mark Rutland , Neil Armstrong , Martin Blumenstingl , Jerome Brunet , Michael Turquette , Stephen Boyd Subject: [PATCHv1 1/3] arm64: dts: meson: Add missing regulator linked to VDDAO_3V3 regulator to FLASH_VDD Date: Sun, 16 Feb 2020 17:34:44 +0000 Message-Id: <20200216173446.1823-2-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200216173446.1823-1-linux.amoon@gmail.com> References: <20200216173446.1823-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200216_093513_941955_347225B8 X-CRM114-Status: GOOD ( 10.66 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:629 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [linux.amoon[at]gmail.com] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: devicetree@vger.kernel.org, Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org As per schematics add missing VDDAO_3V3 power supply to FLASH_VDD regulator. Also add TFLASH_VDD_EN signal name to gpio pin. Fixes: c35f6dc5c377 (arm64: dts: meson: Add minimal support for Odroid-N2) Cc: Martin Blumenstingl Cc: Jerome Brunet Cc: Neil Armstrong Reviewed-by: Neil Armstrong Signed-off-by: Anand Moon --- arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts index 0e54c1dc2842..353db3b32cc4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts @@ -51,9 +51,12 @@ tflash_vdd: regulator-tflash_vdd { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + /* TFLASH_VDD_EN */ gpio = <&gpio_ao GPIOAO_8 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-always-on; + /* U18 FC8731-09VF05NRR */ + vin-supply = <&vddao_3v3>; }; tf_io: gpio-regulator-tf_io { From patchwork Sun Feb 16 17:34:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 11384533 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 59311924 for ; 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Sun, 16 Feb 2020 09:35:11 -0800 (PST) Received: from localhost.localdomain ([103.51.74.127]) by smtp.gmail.com with ESMTPSA id a36sm14284724pga.32.2020.02.16.09.35.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Feb 2020 09:35:11 -0800 (PST) From: Anand Moon To: Rob Herring , Mark Rutland , Neil Armstrong , Martin Blumenstingl , Jerome Brunet , Michael Turquette , Stephen Boyd Subject: [PATCHv1 2/3] arm64: dts: meson: Add missing regulator linked to VCCV5 regulator to VDDIO_C/TF_IO Date: Sun, 16 Feb 2020 17:34:45 +0000 Message-Id: <20200216173446.1823-3-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200216173446.1823-1-linux.amoon@gmail.com> References: <20200216173446.1823-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200216_093514_104576_83CEBFFF X-CRM114-Status: GOOD ( 10.76 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [linux.amoon[at]gmail.com] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: devicetree@vger.kernel.org, Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org As per schematics add missing VCCV5 power supply to VDDIO_C/TF_IO regulator. Also add TF_3V3N_1V8_EN signal name to gpio pin. Fixes: c35f6dc5c377 (arm64: dts: meson: Add minimal support for Odroid-N2) Cc: Martin Blumenstingl Cc: Jerome Brunet Cc: Neil Armstrong Reviewed-by: Neil Armstrong Signed-off-by: Anand Moon --- arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts index 353db3b32cc4..23eddff85fe5 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts @@ -66,11 +66,14 @@ tf_io: gpio-regulator-tf_io { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; + /* TF_3V3N_1V8_EN */ gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>; gpios-states = <0>; states = <3300000 0>, <1800000 1>; + /* U16 RT9179GB */ + vin-supply = <&vcc_5v>; }; flash_1v8: regulator-flash_1v8 { From patchwork Sun Feb 16 17:34:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 11384537 X-Patchwork-Delegate: neil.armstrong@linaro.org 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 4C8BF924 for ; 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Sun, 16 Feb 2020 09:35:15 -0800 (PST) Received: from localhost.localdomain ([103.51.74.127]) by smtp.gmail.com with ESMTPSA id a36sm14284724pga.32.2020.02.16.09.35.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Feb 2020 09:35:15 -0800 (PST) From: Anand Moon To: Rob Herring , Mark Rutland , Neil Armstrong , Martin Blumenstingl , Jerome Brunet , Michael Turquette , Stephen Boyd Subject: [PATCHv1 3/3] clk: meson: g12a: set cpu clock divider flags too CLK_IS_CRITICAL Date: Sun, 16 Feb 2020 17:34:46 +0000 Message-Id: <20200216173446.1823-4-linux.amoon@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200216173446.1823-1-linux.amoon@gmail.com> References: <20200216173446.1823-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200216_093517_346503_19123896 X-CRM114-Status: GOOD ( 12.37 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:643 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [linux.amoon[at]gmail.com] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: devicetree@vger.kernel.org, Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org Odroid N2 would fail to boot using microSD unless we set cpu freq clk divider flags to CLK_IS_CRITICAL to avoid stalling of cpu when booting, most likely because of PWM module linked to the CPU for DVFS is getting disabled in between the late_init call, so gaiting the clock source shuts down the power to the codes. Setting clk divider flags to CLK_IS_CRITICAL help resolve the issue. Cc: Martin Blumenstingl Cc: Jerome Brunet Cc: Neil Armstrong Suggested-by: Neil Armstrong Signed-off-by: Anand Moon --- Following Neil's suggestion, I have prepared this patch. https://patchwork.kernel.org/patch/11177441/#22964889 --- drivers/clk/meson/g12a.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index d2760a021301..accae3695fe5 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -283,6 +283,7 @@ static struct clk_fixed_factor g12a_fclk_div2_div = { .ops = &clk_fixed_factor_ops, .parent_hws = (const struct clk_hw *[]) { &g12a_fixed_pll.hw }, .num_parents = 1, + .flags = CLK_IS_CRITICAL, }, }; @@ -681,7 +682,7 @@ static struct clk_regmap g12b_cpub_clk = { &g12a_sys_pll.hw }, .num_parents = 2, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, }, };