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[76.88.115.8]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22c33fe7105sm569845ad.230.2025.04.15.15.46.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Apr 2025 15:46:35 -0700 (PDT) Date: Tue, 15 Apr 2025 15:46:32 -0700 From: Sukrut Bellary To: Tom Rini Cc: Kevin Hilman , Bajjuri Praneeth , Raghavendra Vignesh , u-boot@lists.denx.de Subject: Re: [PATCH 3/3] arm: dts: am335x: Add nodes for lcdc, panel and backlight Message-ID: References: <20250319202516.3300444-1-sbellary@baylibre.com> <20250319202516.3300444-4-sbellary@baylibre.com> <20250324172009.GB93000@bill-the-cat> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Tue, Mar 25, 2025 at 12:31:06PM -0700, Sukrut Bellary wrote: > On Mon, Mar 24, 2025 at 11:20:09AM -0600, Tom Rini wrote: > > On Wed, Mar 19, 2025 at 01:25:16PM -0700, Sukrut Bellary wrote: > > > > > For AM335x EVM[1], enable nodes required to enable the support for LCD > > > and PWM backlight. > > > This is required for the splash screen support. > > > > > > [1] AM335x EVM - https://www.ti.com/tool/TMDXEVM3358 > > > > > > Signed-off-by: Sukrut Bellary > > > --- > > > arch/arm/dts/am335x-evm.dts | 15 ++++++++++++++- > > > 1 file changed, 14 insertions(+), 1 deletion(-) > > > > Can you see how hard moving to OF_UPSTREAM here is first please? Thanks. > > > > Sure, I will check. > Thanks. I checked OF_UPSTREAM for AM335x. For the panel driver, timings are fetched differently in the u-boot and kernel. For OF_UPSTREAM, we need to change the lcdc panel driver in u-boot to be in sync with kernel dts or see if we can reuse the simple_panel driver. We plan to take care of OF_UPSTREAM later. So, For now, can we split this series into two as 1. Enable Auxillary PWM using eCAP and pin muxing(These are independent of OF_UPSTREAM) 2. Handle dts changes once we have OF_UPSTREAM for AM33xx. If this is ok, I will post the patches per pt.1 Thanks. > > -- > > Tom > >