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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id t16sm5783049wrm.57.2020.09.02.00.18.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Sep 2020 00:18:19 -0700 (PDT) Subject: Re: [PATCH v4 1/2] arm64: dts: meson-g12b-odroid-n2: Enable RTC controller node To: Anand Moon References: <20200831075911.434-1-linux.amoon@gmail.com> <20200831075911.434-2-linux.amoon@gmail.com> <7hpn767f6x.fsf@baylibre.com> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT7CwHsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIXOwU0EVid/pAEQAND7AFhr 5faf/EhDP9FSgYd/zgmb7JOpFPje3uw7jz9wFb28Cf0Y3CcncdElYoBNbRlesKvjQRL8mozV 9RN+IUMHdUx1akR/A4BPXNdL7StfzKWOCxZHVS+rIQ/fE3Qz/jRmT6t2ZkpplLxVBpdu95qJ YwSZjuwFXdC+A7MHtQXYi3UfCgKiflj4+/ITcKC6EF32KrmIRqamQwiRsDcUUKlAUjkCLcHL CQvNsDdm2cxdHxC32AVm3Je8VCsH7/qEPMQ+cEZk47HOR3+Ihfn1LEG5LfwsyWE8/JxsU2a1 q44LQM2lcK/0AKAL20XDd7ERH/FCBKkNVzi+svYJpyvCZCnWT0TRb72mT+XxLWNwfHTeGALE +1As4jIS72IglvbtONxc2OIid3tR5rX3k2V0iud0P7Hnz/JTdfvSpVj55ZurOl2XAXUpGbq5 XRk5CESFuLQV8oqCxgWAEgFyEapI4GwJsvfl/2Er8kLoucYO1Id4mz6N33+omPhaoXfHyLSy dxD+CzNJqN2GdavGtobdvv/2V0wukqj86iKF8toLG2/Fia3DxMaGUxqI7GMOuiGZjXPt/et/ qeOySghdQ7Sdpu6fWc8CJXV2mOV6DrSzc6ZVB4SmvdoruBHWWOR6YnMz01ShFE49pPucyU1h Av4jC62El3pdCrDOnWNFMYbbon3vABEBAAHCwn4EGAECAAkFAlYnf6QCGwICKQkQFpq3saTP +K7BXSAEGQECAAYFAlYnf6QACgkQd9zb2sjISdGToxAAkOjSfGxp0ulgHboUAtmxaU3viucV e2Hl1BVDtKSKmbIVZmEUvx9D06IijFaEzqtKD34LXD6fjl4HIyDZvwfeaZCbJbO10j3k7FJE QrBtpdVqkJxme/nYlGOVzcOiKIepNkwvnHVnuVDVPcXyj2wqtsU7VZDDX41z3X4xTQwY3SO1 9nRO+f+i4RmtJcITgregMa2PcB0LvrjJlWroI+KAKCzoTHzSTpCXMJ1U/dEqyc87bFBdc+DI k8mWkPxsccdbs4t+hH0NoE3Kal9xtAl56RCtO/KgBLAQ5M8oToJVatxAjO1SnRYVN1EaAwrR xkHdd97qw6nbg9BMcAoa2NMc0/9MeiaQfbgW6b0reIz/haHhXZ6oYSCl15Knkr4t1o3I2Bqr Mw623gdiTzotgtId8VfLB2Vsatj35OqIn5lVbi2ua6I0gkI6S7xJhqeyrfhDNgzTHdQVHB9/ 7jnM0ERXNy1Ket6aDWZWCvM59dTyu37g3VvYzGis8XzrX1oLBU/tTXqo1IFqqIAmvh7lI0Se gCrXz7UanxCwUbQBFjzGn6pooEHJYRLuVGLdBuoApl/I4dLqCZij2AGa4CFzrn9W0cwm3HCO lR43gFyz0dSkMwNUd195FrvfAz7Bjmmi19DnORKnQmlvGe/9xEEfr5zjey1N9+mt3//geDP6 clwKBkq0JggA+RTEAELzkgPYKJ3NutoStUAKZGiLOFMpHY6KpItbbHjF2ZKIU1whaRYkHpB2 uLQXOzZ0d7x60PUdhqG3VmFnzXSztA4vsnDKk7x2xw0pMSTKhMafpxaPQJf494/jGnwBHyi3 h3QGG1RjfhQ/OMTX/HKtAUB2ct3Q8/jBfF0hS5GzT6dYtj0Ci7+8LUsB2VoayhNXMnaBfh+Q pAhaFfRZWTjUFIV4MpDdFDame7PB50s73gF/pfQbjw5Wxtes/0FnqydfId95s+eej+17ldGp lMv1ok7K0H/WJSdr7UwDAHEYU++p4RRTJP6DHWXcByVlpNQ4SSAiivmWiwOt490+Ac7ATQRN WQbPAQgAvIoM384ZRFocFXPCOBir5m2J+96R2tI2XxMgMfyDXGJwFilBNs+fpttJlt2995A8 0JwPj8SFdm6FBcxygmxBBCc7i/BVQuY8aC0Z/w9Vzt3Eo561r6pSHr5JGHe8hwBQUcNPd/9l 2ynP57YTSE9XaGJK8gIuTXWo7pzIkTXfN40Wh5jeCCspj4jNsWiYhljjIbrEj300g8RUT2U0 FcEoiV7AjJWWQ5pi8lZJX6nmB0lc69Jw03V6mblgeZ/1oTZmOepkagwy2zLDXxihf0GowUif GphBDeP8elWBNK+ajl5rmpAMNRoKxpN/xR4NzBg62AjyIvigdywa1RehSTfccQARAQABwsBf BBgBAgAJBQJNWQbPAhsMAAoJEBaat7Gkz/iuteIH+wZuRDqK0ysAh+czshtG6JJlLW6eXJJR Vi7dIPpgFic2LcbkSlvB8E25Pcfz/+tW+04Urg4PxxFiTFdFCZO+prfd4Mge7/OvUcwoSub7 ZIPo8726ZF5/xXzajahoIu9/hZ4iywWPAHRvprXaim5E/vKjcTeBMJIqZtS4u/UK3EpAX59R XVxVpM8zJPbk535ELUr6I5HQXnihQm8l6rt9TNuf8p2WEDxc8bPAZHLjNyw9a/CdeB97m2Tr zR8QplXA5kogS4kLe/7/JmlDMO8Zgm9vKLHSUeesLOrjdZ59EcjldNNBszRZQgEhwaarfz46 BSwxi7g3Mu7u5kUByanqHyA= Organization: Baylibre Message-ID: <0845cbc4-cf95-5c00-4294-1b98b159727d@baylibre.com> Date: Wed, 2 Sep 2020 09:18:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200902_031821_816558_D8CE64A2 X-CRM114-Status: GOOD ( 29.56 ) 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 , Martin Blumenstingl , Kevin Hilman , Christian Hewitt , Rob Herring , linux-amlogic@lists.infradead.org, linux-arm-kernel , Jerome Brunet 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 On 01/09/2020 17:29, Anand Moon wrote: > Hi Neil, > > On Tue, 1 Sep 2020 at 18:42, Neil Armstrong wrote: >> >> On 01/09/2020 12:14, Anand Moon wrote: >>> Hi Kevin, >>> >>> Thanks for your review comments and testing. >>> >>> On Tue, 1 Sep 2020 at 01:36, Kevin Hilman wrote: >>>> >>>> Anand Moon writes: >>>> >>>>> Enable RTC PCF8563 node on Odroid-N2 SBC, In order to >>>>> support the RTC wakealarm feature for suspend and resume. >>>>> Also assign an alias to the pcf8563 to rtc0 and meson-vrtc to rtc1 >>>>> timer device to prevent it being assigned to /dev/rtc0 >>>>> which disto userspace tools assume is a clock device. >>>>> >>>>> Cc: Neil Armstrong >>>>> Cc: Kevin Hilman >>>>> Suggested-by: Christian Hewitt >>>>> Signed-off-by: Anand Moon >>>>> --- >>>>> Changes v4 >>>>> --Add gpio interrupt for GPIOAO.BIT7 as suggested by Neil. >>>>> Changes v3 >>>>> --Drop the INI GPIOAO.BIT7 pinctrl. >>>>> --Added missing RTC alias so that rtc get assigned correcly, >>>>> as suggested by Chris Hewitt. >>>>> changes v2 >>>>> --Fix the missing INT (GPIOAO.BIT7) pinctrl. >>>>> --Fix the missing rtcwakeup. >>>>> --Drop the clock not required clock property by the PCF8563 driver. >>>>> --- >>>>> .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 17 +++++++++++++++++ >>>>> 1 file changed, 17 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 34fffa6d859d..3e2aaa6f48e5 100644 >>>>> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts >>>>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts >>>>> @@ -19,6 +19,8 @@ / { >>>>> aliases { >>>>> serial0 = &uart_AO; >>>>> ethernet0 = ðmac; >>>>> + rtc0 = &rtc0; >>>>> + rtc1 = &vrtc; >>>>> }; >>>>> >>>>> dioo2133: audio-amplifier-0 { >>>>> @@ -477,6 +479,21 @@ hdmi_tx_tmds_out: endpoint { >>>>> }; >>>>> }; >>>>> >>>>> +&i2c3 { >>>>> + pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>; >>>>> + pinctrl-names = "default"; >>>>> + status = "okay"; >>>>> + >>>>> + rtc0: rtc@51 { >>>>> + reg = <0x51>; >>>>> + compatible = "nxp,pcf8563"; >>>>> + /* RTC INT */ >>>>> + interrupts = ; >>>>> + interrupt-parent = <&gpio_intc>; >>>>> + wakeup-source; >>>>> + }; >>>>> +}; >>>> >>>> There's still no pinctrl definition for the GPIO pin being used as the >>>> IRQ. It looks like you discussed this with Martin and he pointed you in >>>> the right direction in your v3 series, but I don't see it in this >>>> patch. >>>> >>> Yes I had followed the approach suggested by Martin on previous email and IRC. >>> but it really did not work out for me in the testing. >>> >>> rtc-pcf8563 driver does not handle such gpio configuration. >>> so the rtc probe will fail if we add gpio pinctl to *pinctrl-0*. >> >> No need for multiple pinctrl-*, simple add a new pinctrl to the rtc node like: >> >> >> @@ -18,6 +18,8 @@ >> aliases { >> serial0 = &uart_AO; >> ethernet0 = ðmac; >> + rtc0 = &rtc0; >> + rtc1 = &vrtc; >> }; >> >> chosen { >> @@ -266,6 +268,17 @@ >> status = "okay"; >> }; >> >> +&ao_pinctrl { >> + rtc_int_pins: rtc-int { >> + mux { >> + groups = "GPIOAO_7"; >> + function = "gpio_aobus"; >> + bias-disable; >> + output-disable; >> + }; >> + }; >> +}; >> + >> &cec_AO { >> pinctrl-0 = <&cec_ao_a_h_pins>; >> pinctrl-names = "default"; >> @@ -391,6 +404,23 @@ >> }; >> }; >> >> +&i2c3 { >> + pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>; >> + pinctrl-names = "default"; >> + status = "okay"; >> + >> + rtc0: rtc@51 { >> + pinctrl-0 = <&rtc_int_pins>; >> + pinctrl-names = "default"; >> + reg = <0x51>; >> + compatible = "nxp,pcf8563"; >> + /* RTC INT */ >> + interrupts = ; >> + interrupt-parent = <&gpio_intc>; >> + wakeup-source; >> + }; >> +}; >> + >> &ir { >> status = "okay"; >> pinctrl-0 = <&remote_input_ao_pins>; >> >> DISCALIMER: not built or run tested >> >> Neil >> > > I have built this and tested, but still this gpio pin Can you remove the "bias-disable" in rtc_int_pins and retry ? The default bias is pull-up, removing it may cause this. If it works, can you try "bias-pull-up" ? if it works, keep it and resend with my ack. Neil > > # cat /sys/kernel/debug/gpio > gpiochip1: GPIOs 412-426, parent: > platform/ff800000.sys-ctrl:pinctrl@14, aobus-banks: > gpio-414 ( |enable ) out lo > gpio-420 ( |regulator-tflash_vdd) out hi > gpio-421 ( |TF_IO ) out lo > gpio-423 ( |n2:blue ) out lo > > gpiochip0: GPIOs 427-511, parent: platform/ff634400.bus:pinctrl@40, > periphs-banks: > gpio-442 ( |PHY reset ) out hi ACTIVE LOW > gpio-447 ( |usb-hub-reset ) out hi > gpio-448 ( |regulator-hub_5v ) out hi > gpio-449 ( |regulator-usb_pwr_en) out lo > gpio-464 ( |reset ) out hi ACTIVE LOW > gpio-474 ( |cd ) in lo ACTIVE LOW > > This change fails on *u-boot Hardkernel* > There is some timing issue, some time it wakes up and > some time it gets stuck. > > # rtcwake -d /dev/rtc0 -s 10 > rtcwake: wakeup from "mem" using /dev/rtc0 at Tue Sep 1 14:05:47 2020 > [ 35.565415] PM: suspend entry (deep) > [ 35.565589] Filesystems sync: 0.000 seconds > [ 72.670162] cfg80211: failed to load regulatory.db > [ 72.670164] Freezing user space processes ... (elapsed 0.001 seconds) done. > [ 72.676235] OOM killer disabled. > [ 72.679418] Freezing remaining freezable tasks ... (elapsed 0.001 > seconds) done. > [ 72.688636] meson8b-dwmac ff3f0000.ethernet eth0: Link is Down > [ 72.709953] sd 0:0:0:0: [sda] Synchronizing SCSI cache > [ 72.830228] Disabling non-boot CPUs ... > [ 72.831157] CPU1: shutdown > [ 72.832204] psci: CPU1 killed (polled 0 ms) > [ 72.837376] CPU2: shutdown > [ 72.837974] psci: CPU2 killed (polled 0 ms) > [ 72.843880] CPU3: shutdown > [ 72.844742] psci: CPU3 killed (polled 0 ms) > [ 72.850925] CPU4: shutdown > [ 72.851557] psci: CPU4 killed (polled 0 ms) > [ 72.858185] CPU5: shutdown > [ 72.858372] psci: CPU5 killed (polled 0 ms) > bl30 get wakeup sources! > process command 00000006 > bl30 enter suspend! > Little core clk suspend rate 66700000 > Big core clk suspend rate 24000000 > store restore gp0 pll > suspend_counter: 1 > Enter ddr suspend > ddr suspend time: 17us > alarm=0S > process command 00000001 > cec ver:2018/04/19 > CEC cfg:0x0000 > WAKEUP GPIO cfg:0x00000000 > use vddee new table! > kern log_addr:0x00 > cec T: 00 > err: tx not finish flag > cec reset > Set cec pinmux:0x11 > Set cec log_addr:0x10,ADDR0:10 > customer pwrkeys for IR is NULL, use defaults! > > Best Regards > -Anand > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic