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[86.58.6.171]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e75224db20sm3366103f8f.60.2025.09.09.10.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Sep 2025 10:41:07 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Stephen Boyd , Chen-Yu Tsai Cc: linux-sunxi@lists.linux.dev, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] clk: sunxi-ng: sun6i-rtc: Add A523 specifics Date: Tue, 09 Sep 2025 19:41:06 +0200 Message-ID: <6189783.lOV4Wx5bFT@jernej-laptop> In-Reply-To: <20250909170947.2221611-1-wens@kernel.org> References: <20250909170947.2221611-1-wens@kernel.org> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne torek, 9. september 2025 ob 19:09:47 Srednjeevropski poletni =C4=8Das j= e Chen-Yu Tsai napisal(a): > From: Chen-Yu Tsai >=20 > The A523's RTC block is backward compatible with the R329's, but it also > has a calibration function for its internal oscillator, which would > allow it to provide a clock rate closer to the desired 32.768 KHz. This > is useful on the Radxa Cubie A5E, which does not have an external 32.768 > KHz crystal. >=20 > Add new compatible-specific data for it. >=20 > Signed-off-by: Chen-Yu Tsai Acked-by: Jernej Skrabec Best regards, Jernej > --- > drivers/clk/sunxi-ng/ccu-sun6i-rtc.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) >=20 > diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c b/drivers/clk/sunxi-ng/= ccu-sun6i-rtc.c > index 0536e880b80f..f6bfeba009e8 100644 > --- a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c > +++ b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c > @@ -325,6 +325,13 @@ static const struct sun6i_rtc_match_data sun50i_r329= _rtc_ccu_data =3D { > .osc32k_fanout_nparents =3D ARRAY_SIZE(sun50i_r329_osc32k_fanout_parent= s), > }; > =20 > +static const struct sun6i_rtc_match_data sun55i_a523_rtc_ccu_data =3D { > + .have_ext_osc32k =3D true, > + .have_iosc_calibration =3D true, > + .osc32k_fanout_parents =3D sun50i_r329_osc32k_fanout_parents, > + .osc32k_fanout_nparents =3D ARRAY_SIZE(sun50i_r329_osc32k_fanout_parent= s), > +}; > + > static const struct of_device_id sun6i_rtc_ccu_match[] =3D { > { > .compatible =3D "allwinner,sun50i-h616-rtc", > @@ -334,6 +341,10 @@ static const struct of_device_id sun6i_rtc_ccu_match= [] =3D { > .compatible =3D "allwinner,sun50i-r329-rtc", > .data =3D &sun50i_r329_rtc_ccu_data, > }, > + { > + .compatible =3D "allwinner,sun55i-a523-rtc", > + .data =3D &sun55i_a523_rtc_ccu_data, > + }, > {}, > }; > MODULE_DEVICE_TABLE(of, sun6i_rtc_ccu_match); >=20