From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1326FC433EF for ; Wed, 4 May 2022 16:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353374AbiEDQ1G (ORCPT ); Wed, 4 May 2022 12:27:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353370AbiEDQ1G (ORCPT ); Wed, 4 May 2022 12:27:06 -0400 Received: from relay07.th.seeweb.it (relay07.th.seeweb.it [5.144.164.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71E9E45AC4 for ; Wed, 4 May 2022 09:23:29 -0700 (PDT) Received: from [10.1.250.9] (riviera.nat.ds.pw.edu.pl [194.29.137.1]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id 0EAC43F8C2; Wed, 4 May 2022 18:23:27 +0200 (CEST) Message-ID: <600d13cc-962a-bb6c-6e43-c56fd63b9591@somainline.org> Date: Wed, 4 May 2022 18:23:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v3 4/6] clk: qcom: add support for SM8350 DISPCC To: Robert Foss , agross@kernel.org, bjorn.andersson@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org, jonathan@marek.ca, tdas@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov References: <20220504122725.179262-1-robert.foss@linaro.org> <20220504122725.179262-5-robert.foss@linaro.org> From: Konrad Dybcio In-Reply-To: <20220504122725.179262-5-robert.foss@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 04/05/2022 14:27, Robert Foss wrote: > From: Jonathan Marek > > Add support to the SM8350 display clock controller by extending the SM8250 > display clock controller, which is almost identical but has some minor > differences. > > Signed-off-by: Jonathan Marek > Signed-off-by: Robert Foss > Reviewed-by: Dmitry Baryshkov > --- > > Changes since v1 > - Remove comment - Dmitry > > Changes since v2 > - Add my SoB - Bjorn > - Remove CLK_ASSUME_ENABLED_WHEN_UNUSED flag > > > drivers/clk/qcom/Kconfig | 4 +-- > drivers/clk/qcom/dispcc-sm8250.c | 60 +++++++++++++++++++++++++++++++- > 2 files changed, 61 insertions(+), 3 deletions(-) > > diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig > index 9b1f54e634b9..1752ca0ee405 100644 > --- a/drivers/clk/qcom/Kconfig > +++ b/drivers/clk/qcom/Kconfig > @@ -609,11 +609,11 @@ config SM_DISPCC_6125 > splash screen > > config SM_DISPCC_8250 > - tristate "SM8150 and SM8250 Display Clock Controller" > + tristate "SM8150/SM8250/SM8350 Display Clock Controller" > depends on SM_GCC_8150 || SM_GCC_8250 || SM_GCC_8350? sidenote: also || SC_GCC_8180X in a separate patch? > help > Support for the display clock controller on Qualcomm Technologies, Inc > - SM8150 and SM8250 devices. > + SM8150/SM8250/SM8350 devices. > Say Y if you want to support display devices and functionality such as > splash screen. > > diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c > index db9379634fb2..8e6cb990e387 100644 > --- a/drivers/clk/qcom/dispcc-sm8250.c > +++ b/drivers/clk/qcom/dispcc-sm8250.c > @@ -43,6 +43,10 @@ static struct pll_vco vco_table[] = { > { 249600000, 2000000000, 0 }, > }; > > +static struct pll_vco lucid_5lpe_vco[] = { > + { 249600000, 1750000000, 0 }, > +}; > + > static struct alpha_pll_config disp_cc_pll0_config = { > .l = 0x47, > .alpha = 0xE000, > @@ -1228,6 +1232,7 @@ static const struct of_device_id disp_cc_sm8250_match_table[] = { > { .compatible = "qcom,sc8180x-dispcc" }, > { .compatible = "qcom,sm8150-dispcc" }, > { .compatible = "qcom,sm8250-dispcc" }, > + { .compatible = "qcom,sm8350-dispcc" }, > { } > }; > MODULE_DEVICE_TABLE(of, disp_cc_sm8250_match_table); > @@ -1258,7 +1263,7 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev) > return PTR_ERR(regmap); > } > > - /* note: trion == lucid, except for the prepare() op */ > + /* Apply differences for SM8150 and SM8350 */ > BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); > if (of_device_is_compatible(pdev->dev.of_node, "qcom,sc8180x-dispcc") || > of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { > @@ -1270,6 +1275,59 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev) > disp_cc_pll1_config.config_ctl_hi1_val = 0x00000024; > disp_cc_pll1_config.user_ctl_hi1_val = 0x000000D0; > disp_cc_pll1_init.ops = &clk_alpha_pll_trion_ops; > + } else if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8350-dispcc")) { > + static struct clk_rcg2 * const rcgs[] = { > + &disp_cc_mdss_byte0_clk_src, > + &disp_cc_mdss_byte1_clk_src, > + &disp_cc_mdss_dp_aux1_clk_src, > + &disp_cc_mdss_dp_aux_clk_src, > + &disp_cc_mdss_dp_link1_clk_src, > + &disp_cc_mdss_dp_link_clk_src, > + &disp_cc_mdss_dp_pixel1_clk_src, > + &disp_cc_mdss_dp_pixel2_clk_src, > + &disp_cc_mdss_dp_pixel_clk_src, > + &disp_cc_mdss_esc0_clk_src, > + &disp_cc_mdss_mdp_clk_src, > + &disp_cc_mdss_pclk0_clk_src, > + &disp_cc_mdss_pclk1_clk_src, > + &disp_cc_mdss_rot_clk_src, > + &disp_cc_mdss_vsync_clk_src, > + }; > + static struct clk_regmap_div * const divs[] = { > + &disp_cc_mdss_byte0_div_clk_src, > + &disp_cc_mdss_byte1_div_clk_src, > + &disp_cc_mdss_dp_link1_div_clk_src, > + &disp_cc_mdss_dp_link_div_clk_src, > + }; > + unsigned int i; > + static bool offset_applied; > + > + /* only apply the offsets once (in case of deferred probe) */ > + if (!offset_applied) { > + for (i = 0; i < ARRAY_SIZE(rcgs); i++) > + rcgs[i]->cmd_rcgr -= 4; > + > + for (i = 0; i < ARRAY_SIZE(divs); i++) { > + divs[i]->reg -= 4; > + divs[i]->width = 4; > + } > + > + disp_cc_mdss_ahb_clk.halt_reg -= 4; > + disp_cc_mdss_ahb_clk.clkr.enable_reg -= 4; > + > + offset_applied = true; > + } > + > + disp_cc_mdss_ahb_clk_src.cmd_rcgr = 0x22a0; > + > + disp_cc_pll0_config.config_ctl_hi1_val = 0x2A9A699C; Lowercase hex, also below. > + disp_cc_pll0_config.test_ctl_hi1_val = 0x01800000; > + disp_cc_pll0_init.ops = &clk_alpha_pll_lucid_5lpe_ops; > + disp_cc_pll0.vco_table = lucid_5lpe_vco; > + disp_cc_pll1_config.config_ctl_hi1_val = 0x2A9A699C; > + disp_cc_pll1_config.test_ctl_hi1_val = 0x01800000; > + disp_cc_pll1_init.ops = &clk_alpha_pll_lucid_5lpe_ops; > + disp_cc_pll1.vco_table = lucid_5lpe_vco; > } > > clk_lucid_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); Konrad >