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Message-ID: <163416297617.936110.15563294159982964830@swboyd.mtv.corp.google.com>
Date: Wed, 13 Oct 2021 15:09:36 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Konrad Dybcio <konrad.dybcio@...ainline.org>,
~postmarketos/upstreaming@...ts.sr.ht
Cc: martin.botka@...ainline.org,
angelogioacchino.delregno@...ainline.org,
marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/9] clk: qcom: gcc-msm8994: Fix up SPI QUP clocks
Quoting Konrad Dybcio (2021-09-23 09:26:36)
> Fix up SPI QUP freq tables to account for the fact
> that not every QUP can run at the same set of frequencies.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> ---
> drivers/clk/qcom/gcc-msm8994.c | 118 +++++++++++++++++++++++++++++----
> 1 file changed, 105 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/clk/qcom/gcc-msm8994.c b/drivers/clk/qcom/gcc-msm8994.c
> index 8e9a8ebadf73..78c06104854e 100644
> --- a/drivers/clk/qcom/gcc-msm8994.c
> +++ b/drivers/clk/qcom/gcc-msm8994.c
> @@ -169,7 +169,7 @@ static struct clk_rcg2 blsp1_qup1_i2c_apps_clk_src = {
> },
> };
>
> -static struct freq_tbl ftbl_blspqup_spi_apps_clk_src[] = {
> +static struct freq_tbl ftbl_blsp1_qup1_spi_apps_clk_src[] = {
> F(960000, P_XO, 10, 1, 2),
> F(4800000, P_XO, 4, 0, 0),
> F(9600000, P_XO, 2, 0, 0),
> @@ -187,7 +187,7 @@ static struct clk_rcg2 blsp1_qup1_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup1_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup1_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -209,12 +209,25 @@ static struct clk_rcg2 blsp1_qup2_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp1_qup2_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + F(46150000, P_GPLL0, 13, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp1_qup2_spi_apps_clk_src = {
> .cmd_rcgr = 0x06cc,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup2_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup2_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -236,12 +249,25 @@ static struct clk_rcg2 blsp1_qup3_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp1_qup3_4_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + F(44440000, P_GPLL0, 13.5, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp1_qup3_spi_apps_clk_src = {
> .cmd_rcgr = 0x074c,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup3_4_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup3_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -268,7 +294,7 @@ static struct clk_rcg2 blsp1_qup4_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup3_4_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup4_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -290,12 +316,25 @@ static struct clk_rcg2 blsp1_qup5_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp1_qup5_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(40000000, P_GPLL0, 15, 0, 0),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp1_qup5_spi_apps_clk_src = {
> .cmd_rcgr = 0x084c,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup5_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup5_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -317,12 +356,25 @@ static struct clk_rcg2 blsp1_qup6_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp1_qup6_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(27906976, P_GPLL0, 1, 2, 43),
> + F(41380000, P_GPLL0, 15, 0, 0),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp1_qup6_spi_apps_clk_src = {
> .cmd_rcgr = 0x08cc,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp1_qup6_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp1_qup6_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -447,12 +499,25 @@ static struct clk_rcg2 blsp2_qup1_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp2_qup1_2_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + F(44440000, P_GPLL0, 13.5, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp2_qup1_spi_apps_clk_src = {
> .cmd_rcgr = 0x098c,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp2_qup1_2_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup1_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -479,7 +544,7 @@ static struct clk_rcg2 blsp2_qup2_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp2_qup1_2_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup2_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -488,6 +553,19 @@ static struct clk_rcg2 blsp2_qup2_spi_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp2_qup3_4_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(42860000, P_GPLL0, 14, 0, 0),
> + F(48000000, P_GPLL0, 12.5, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp2_qup3_i2c_apps_clk_src = {
> .cmd_rcgr = 0x0aa0,
> .hid_width = 5,
> @@ -506,7 +584,7 @@ static struct clk_rcg2 blsp2_qup3_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp2_qup3_4_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup3_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -533,7 +611,7 @@ static struct clk_rcg2 blsp2_qup4_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp2_qup3_4_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup4_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -560,7 +638,8 @@ static struct clk_rcg2 blsp2_qup5_spi_apps_clk_src = {
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + /* BLSP1 QUP1 and BLSP2 QUP5 use the same freqs */
> + .freq_tbl = ftbl_blsp1_qup1_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup5_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> @@ -582,12 +661,25 @@ static struct clk_rcg2 blsp2_qup6_i2c_apps_clk_src = {
> },
> };
>
> +static struct freq_tbl ftbl_blsp2_qup6_spi_apps_clk_src[] = {
> + F(960000, P_XO, 10, 1, 2),
> + F(4800000, P_XO, 4, 0, 0),
> + F(9600000, P_XO, 2, 0, 0),
> + F(15000000, P_GPLL0, 10, 1, 4),
> + F(19200000, P_XO, 1, 0, 0),
> + F(24000000, P_GPLL0, 12.5, 1, 2),
> + F(25000000, P_GPLL0, 12, 1, 2),
> + F(44440000, P_GPLL0, 13.5, 0, 0),
> + F(48000000, P_GPLL0, 12.5, 0, 0),
> + { }
> +};
> +
> static struct clk_rcg2 blsp2_qup6_spi_apps_clk_src = {
> .cmd_rcgr = 0x0c0c,
> .mnd_width = 8,
> .hid_width = 5,
> .parent_map = gcc_xo_gpll0_map,
> - .freq_tbl = ftbl_blspqup_spi_apps_clk_src,
> + .freq_tbl = ftbl_blsp2_qup6_spi_apps_clk_src,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "blsp2_qup6_spi_apps_clk_src",
> .parent_data = gcc_xo_gpll0,
> --
> 2.33.0
>
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