Re: [PATCH] clk: meson: meson8b: Don't rely on u-boot to init all GP_PLL registers - patchwork-bot+linux-amlogic

From: patchwork-bot+linux-amlogic@kernel.org
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-amlogic@lists.infradead.org, khilman@kernel.org
Subject: Re: [PATCH] clk: meson: meson8b: Don't rely on u-boot to init all GP_PLL registers
Date: Tue, 07 Jul 2020 18:51:11 +0000	[thread overview]
Message-ID: <159414787165.3387.1089835438770121770.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20200501215717.735393-1-martin.blumenstingl@googlemail.com>

Hello:

This patch was applied to khilman/linux-amlogic.git (refs/heads/for-next).

On Fri,  1 May 2020 23:57:17 +0200 you wrote:
> Not all u-boot versions initialize the HHI_GP_PLL_CNTL[2-5] registers.
> In that case all HHI_GPLL_PLL_CNTL[1-5] registers are 0x0 and when
> booting Linux the PLL fails to lock.
> The initialization sequence from u-boot is:
> - put the PLL into reset
> - write 0x59C88000 to HHI_GP_PLL_CNTL2
> - write 0xCA463823 to HHI_GP_PLL_CNTL3
> - write 0x0286A027 to HHI_GP_PLL_CNTL4
> - write 0x00003000 to HHI_GP_PLL_CNTL5
> - set M, N, OD and the enable bit
> - take the PLL out of reset
> - check if it has locked
> - disable the PLL
> 
> [...]

Here is a summary with links:
  - clk: meson: meson8b: Don't rely on u-boot to init all GP_PLL registers
    https://git.kernel.org/khilman/linux-amlogic/c/a29ae8600d50ece1856b062a39ed296b8b952259

You are awesome, thank you!

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