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Date: Tue, 22 Sep 2020 12:00:59 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Jonathan Marek <jonathan@...ek.ca>, linux-arm-msm@...r.kernel.org
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v3 7/7] clk: qcom: Add display clock controller driver for SM8250
Quoting Jonathan Marek (2020-09-11 08:34:07)
> diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
> new file mode 100644
> index 000000000000..7c0f384a3a42
> --- /dev/null
> +++ b/drivers/clk/qcom/dispcc-sm8250.c
> @@ -0,0 +1,1100 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
> + */
> +
[...]
> +
> +static const struct clk_parent_data disp_cc_parent_data_6[] = {
> + { .fw_name = "bi_tcxo" },
> + { .fw_name = "dsi0_phy_pll_out_dsiclk" },
> + { .fw_name = "dsi1_phy_pll_out_dsiclk" },
Can we remove clk postfix on these clk names?
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_ahb_clk_src[] = {
> + F(19200000, P_BI_TCXO, 1, 0, 0),
> + F(37500000, P_DISP_CC_PLL1_OUT_MAIN, 16, 0, 0),
> + F(75000000, P_DISP_CC_PLL1_OUT_MAIN, 8, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_ahb_clk_src = {
> + .cmd_rcgr = 0x22bc,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_3,
> + .freq_tbl = ftbl_disp_cc_mdss_ahb_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_ahb_clk_src",
> + .parent_data = disp_cc_parent_data_3,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_rcg2_shared_ops,
> + },
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_byte0_clk_src[] = {
> + F(19200000, P_BI_TCXO, 1, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
> + .cmd_rcgr = 0x2110,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_2,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_byte0_clk_src",
> + .parent_data = disp_cc_parent_data_2,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
Why do we need CLK_GET_RATE_NOCACHE? Please remove it.
> + .ops = &clk_byte2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte1_clk_src = {
> + .cmd_rcgr = 0x212c,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_2,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_byte1_clk_src",
> + .parent_data = disp_cc_parent_data_2,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_byte2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_aux1_clk_src = {
> + .cmd_rcgr = 0x2240,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_1,
> + .freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_aux1_clk_src",
> + .parent_data = disp_cc_parent_data_1,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_aux_clk_src = {
> + .cmd_rcgr = 0x21dc,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_1,
> + .freq_tbl = ftbl_disp_cc_mdss_byte0_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_aux_clk_src",
> + .parent_data = disp_cc_parent_data_1,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
> + .flags = CLK_SET_RATE_PARENT,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_dp_link1_clk_src[] = {
> + F(162000000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> + F(270000000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> + F(540000000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> + F(810000000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_link1_clk_src = {
> + .cmd_rcgr = 0x220c,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .freq_tbl = ftbl_disp_cc_mdss_dp_link1_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_link1_clk_src",
> + .parent_data = disp_cc_parent_data_0,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_link_clk_src = {
> + .cmd_rcgr = 0x2178,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .freq_tbl = ftbl_disp_cc_mdss_dp_link1_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_link_clk_src",
> + .parent_data = disp_cc_parent_data_0,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_pixel1_clk_src = {
> + .cmd_rcgr = 0x21c4,
> + .mnd_width = 16,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_pixel1_clk_src",
> + .parent_data = disp_cc_parent_data_0,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_dp_ops,
This is affected by the patch I just applied 355a7d754b92 ("clk: qcom:
dispcc: Update DP clk ops for phy design"). Please resend.
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_dp_pixel2_clk_src = {
> + .cmd_rcgr = 0x21f4,
> + .mnd_width = 16,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_dp_pixel2_clk_src",
> + .parent_data = disp_cc_parent_data_0,
> + .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_dp_ops,
> + },
> +};
> +
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