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[91.13.121.197]) by smtp.gmail.com with ESMTPSA id b8sm1265951wri.53.2021.10.27.13.32.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 13:32:42 -0700 (PDT) Received: from localhost.daheim ([127.0.0.1]) by debian64.daheim with esmtp (Exim 4.95) (envelope-from ) id 1mfpbG-0016cW-Cl; Wed, 27 Oct 2021 22:32:42 +0200 Message-ID: Date: Wed, 27 Oct 2021 22:32:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 Subject: Re: [PATCH] ARM: dts: BCM5301X: Fix I2C controller interrupt Content-Language: de-DE To: Florian Fainelli , linux-arm-kernel@lists.infradead.org Cc: mnhagan88@gmail.com, Hauke Mehrtens , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , "maintainer:BROADCOM BCM5301X ARM ARCHITECTURE" , Rob Herring , Jon Mason , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list References: <20211027193730.3941945-1-f.fainelli@gmail.com> From: Christian Lamparter In-Reply-To: <20211027193730.3941945-1-f.fainelli@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211027_133247_012888_2A10C73B X-CRM114-Status: GOOD ( 12.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 27/10/2021 21:37, Florian Fainelli wrote: > The I2C interrupt controller line is off by 32 because the datasheet > describes interrupt inputs into the GIC which are for Shared Peripheral > Interrupts and are starting at offset 32. The ARM GIC binding expects > the SPI interrupts to be numbered from 0 relative to the SPI base. > > Fixes: bb097e3e0045 ("ARM: dts: BCM5301X: Add I2C support to the DT") > Signed-off-by: Florian Fainelli Thank you! This fixed the MR32 iproc-i2c issue. It's working now (will post the patch for the MR32 tomorrow): # cat /proc/interrupts CPU0 CPU1 24: 1 0 GIC-0 27 Edge gt 25: 110418 108252 GIC-0 29 Edge twd 26: 476 0 GIC-0 117 Level gpio, ttyS0 31: 128 0 GIC-0 121 Level 18009000.i2c <--- YES! 32: 49477 0 GIC-0 100 Level brcmnand 33: 0 0 GIC-0 109 Level mspi_done 34: 0 0 GIC-0 110 Level mspi_halted 35: 0 0 GIC-0 104 Level spi_lr_fullness_reached 36: 0 0 GIC-0 105 Level spi_lr_session_aborted 37: 0 0 GIC-0 106 Level spi_lr_impatient 38: 0 0 GIC-0 107 Level spi_lr_session_done 40: 7227 0 GIC-0 179 Level eth2 51: 0 0 BCMA-GPIO 21 Edge keys and the attached AT24 + PoE-Power monitor can be probed + read as before. [ 12.042576] at24 0-0050: 8192 byte 24c64 EEPROM, read-only ... [ 12.077671] ina2xx 0-0045: power monitor ina219 (Rshunt = 60000 uOhm) Tested-by: Christian Lamparter Regards Christian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel