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[217.226.146.231]) by smtp.gmail.com with ESMTPSA id w14sm10228812ejn.36.2020.09.05.15.50.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Sep 2020 15:50:44 -0700 (PDT) Received: from chuck by debian64.daheim with local (Exim 4.94) (envelope-from ) id 1kEh14-001AQS-Pg; Sun, 06 Sep 2020 00:50:38 +0200 From: Christian Lamparter To: openwrt-devel@lists.openwrt.org Subject: [PATCH v2 3/7] bcm53xx: enable PWM for bcm53xx Date: Sun, 6 Sep 2020 00:50:28 +0200 Message-Id: X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200905_185046_773803_40BDBE97 X-CRM114-Status: GOOD ( 17.99 ) 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 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:643 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [chunkeey[at]gmail.com] -0.0 SPF_PASS SPF: sender matches SPF record -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 X-BeenThere: openwrt-devel@lists.openwrt.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: OpenWrt Development List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rafal@milecki.pl, hauke@hauke-m.de, f.fainelli@gmail.com, chrisrblake93@gmail.com, Adrian Schmutzler Sender: "openwrt-devel" Errors-To: openwrt-devel-bounces+incoming=patchwork.ozlabs.org@lists.openwrt.org The Meraki MR32 (BCM53016A1) uses the pwm to drive the tricolor LED. The driver has been available in upstream for a long time. Only the Device-Tree definition was missing, but it has been queued recently. Signed-off-by: Christian Lamparter --- target/linux/bcm53xx/Makefile | 2 +- target/linux/bcm53xx/config-5.4 | 3 ++ ...M-dts-BCM5301X-Specify-PWM-in-the-DT.patch | 45 +++++++++++++++++++ 3 files changed, 49 insertions(+), 1 deletion(-) create mode 100644 target/linux/bcm53xx/patches-5.4/033-v5.10-ARM-dts-BCM5301X-Specify-PWM-in-the-DT.patch diff --git a/target/linux/bcm53xx/Makefile b/target/linux/bcm53xx/Makefile index 35f8513801..f980f8a8fb 100644 --- a/target/linux/bcm53xx/Makefile +++ b/target/linux/bcm53xx/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk ARCH:=arm BOARD:=bcm53xx BOARDNAME:=Broadcom BCM47xx/53xx (ARM) -FEATURES:=squashfs nand usb pci pcie gpio +FEATURES:=squashfs nand usb pci pcie gpio pwm CPU_TYPE:=cortex-a9 SUBTARGETS:=generic diff --git a/target/linux/bcm53xx/config-5.4 b/target/linux/bcm53xx/config-5.4 index eacfcb620e..8c7cdf45d5 100644 --- a/target/linux/bcm53xx/config-5.4 +++ b/target/linux/bcm53xx/config-5.4 @@ -308,6 +308,9 @@ CONFIG_PINCTRL=y # CONFIG_PINCTRL_IPROC_GPIO is not set CONFIG_PINCTRL_NS=y # CONFIG_PINCTRL_NS2_MUX is not set +CONFIG_PWM=y +CONFIG_PWM_BCM_IPROC=y +CONFIG_PWM_SYSFS=y CONFIG_RATIONAL=y CONFIG_RCU_NEED_SEGCBLIST=y CONFIG_RCU_STALL_COMMON=y diff --git a/target/linux/bcm53xx/patches-5.4/033-v5.10-ARM-dts-BCM5301X-Specify-PWM-in-the-DT.patch b/target/linux/bcm53xx/patches-5.4/033-v5.10-ARM-dts-BCM5301X-Specify-PWM-in-the-DT.patch new file mode 100644 index 0000000000..d7b871bde4 --- /dev/null +++ b/target/linux/bcm53xx/patches-5.4/033-v5.10-ARM-dts-BCM5301X-Specify-PWM-in-the-DT.patch @@ -0,0 +1,45 @@ +From 9bd34833986d4af180c6d75a326edb933a17de31 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter +Date: Wed, 6 Jun 2018 21:01:59 +0200 +Subject: [PATCH] ARM: dts: BCM5301X: Specify PWM in the DT + +The BCM53016 in the Meraki MR32 uses the on-chip PWM +controller to drive a tri-color RGB LED. Since I plan +to use the PWM, I made a label for the pwm's pinmux +node. This way, it can be easily referenced. + +Signed-off-by: Christian Lamparter +Acked-by: Scott Branden + +--- a/arch/arm/boot/dts/bcm5301x.dtsi ++++ b/arch/arm/boot/dts/bcm5301x.dtsi +@@ -350,6 +350,14 @@ + }; + }; + ++ pwm: pwm@18002000 { ++ compatible = "brcm,iproc-pwm"; ++ reg = <0x18002000 0x28>; ++ clocks = <&osc>; ++ #pwm-cells = <3>; ++ status = "disabled"; ++ }; ++ + mdio: mdio@18003000 { + compatible = "brcm,iproc-mdio"; + reg = <0x18003000 0x8>; +@@ -417,12 +425,12 @@ + function = "spi"; + }; + +- i2c { ++ pinmux_i2c: i2c { + groups = "i2c_grp"; + function = "i2c"; + }; + +- pwm { ++ pinmux_pwm: pwm { + groups = "pwm0_grp", "pwm1_grp", + "pwm2_grp", "pwm3_grp"; + function = "pwm";