| Message ID | 20210513195617.15068-1-jonathan@marek.ca |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] clk: qcom: add support for SM8350 DISPCC | expand |
Hey Jonathan, Thanks for submitting this. On Thu, 13 May 2021 at 21:56, Jonathan Marek <jonathan@marek.ca> wrote: > > 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 <jonathan@marek.ca> > --- > drivers/clk/qcom/Kconfig | 4 +- > drivers/clk/qcom/dispcc-sm8250.c | 84 +++++++++++++++++++++++++++----- > 2 files changed, 75 insertions(+), 13 deletions(-) > > diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig > index 45646b867cdb..cc60e6ee1654 100644 > --- a/drivers/clk/qcom/Kconfig > +++ b/drivers/clk/qcom/Kconfig > @@ -484,11 +484,11 @@ config SDX_GCC_55 > SPI, I2C, USB, SD/UFS, PCIe etc. > > 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 > 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 de09cd5c209f..1fcf8085a109 100644 > --- a/drivers/clk/qcom/dispcc-sm8250.c > +++ b/drivers/clk/qcom/dispcc-sm8250.c > @@ -36,6 +36,10 @@ 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, > @@ -1039,6 +1043,7 @@ static const struct qcom_cc_desc disp_cc_sm8250_desc = { > static const struct of_device_id disp_cc_sm8250_match_table[] = { > { .compatible = "qcom,sm8150-dispcc" }, > { .compatible = "qcom,sm8250-dispcc" }, > + { .compatible = "qcom,sm8350-dispcc" }, > { } > }; > MODULE_DEVICE_TABLE(of, disp_cc_sm8250_match_table); > @@ -1051,19 +1056,76 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev) > if (IS_ERR(regmap)) > return PTR_ERR(regmap); > > - /* note: trion == lucid, except for the prepare() op */ > - BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); > - if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { I'm having a quick look at this patch, and of_device_is_compatible had 2 cases previously, sm8150 & sm8250. Now three cases (sm8150, sm8250 & sm8350) are possible, but sm8150 & sm8250 have been lumped together. Is this correct? > - disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; > - disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; > - disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; > - disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; > - disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; > - 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; > + /* SM8350 has _SRC clocks offset by 4, and some other differences */ > + 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 i; > + static bool offset_applied = false; > + > + /* 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; > + 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; > + } else { > + /* note: trion == lucid, except for the prepare() op */ > + BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); > + if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { > + disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; > + disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; > + disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; > + disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; > + disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; > + 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; > + } > } > > + /* note for SM8350: downstream lucid_5lpe configure differs slightly */ > clk_lucid_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); > clk_lucid_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config); > > -- > 2.26.1 >
On 5/18/21 7:53 AM, Robert Foss wrote: > Hey Jonathan, > > Thanks for submitting this. > > On Thu, 13 May 2021 at 21:56, Jonathan Marek <jonathan@marek.ca> wrote: >> >> 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 <jonathan@marek.ca> >> --- >> drivers/clk/qcom/Kconfig | 4 +- >> drivers/clk/qcom/dispcc-sm8250.c | 84 +++++++++++++++++++++++++++----- >> 2 files changed, 75 insertions(+), 13 deletions(-) >> >> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig >> index 45646b867cdb..cc60e6ee1654 100644 >> --- a/drivers/clk/qcom/Kconfig >> +++ b/drivers/clk/qcom/Kconfig >> @@ -484,11 +484,11 @@ config SDX_GCC_55 >> SPI, I2C, USB, SD/UFS, PCIe etc. >> >> 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 >> 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 de09cd5c209f..1fcf8085a109 100644 >> --- a/drivers/clk/qcom/dispcc-sm8250.c >> +++ b/drivers/clk/qcom/dispcc-sm8250.c >> @@ -36,6 +36,10 @@ 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, >> @@ -1039,6 +1043,7 @@ static const struct qcom_cc_desc disp_cc_sm8250_desc = { >> static const struct of_device_id disp_cc_sm8250_match_table[] = { >> { .compatible = "qcom,sm8150-dispcc" }, >> { .compatible = "qcom,sm8250-dispcc" }, >> + { .compatible = "qcom,sm8350-dispcc" }, >> { } >> }; >> MODULE_DEVICE_TABLE(of, disp_cc_sm8250_match_table); >> @@ -1051,19 +1056,76 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev) >> if (IS_ERR(regmap)) >> return PTR_ERR(regmap); >> >> - /* note: trion == lucid, except for the prepare() op */ >> - BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); >> - if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { > > I'm having a quick look at this patch, and of_device_is_compatible had > 2 cases previously, sm8150 & sm8250. Now three cases (sm8150, sm8250 & > sm8350) are possible, but sm8150 & sm8250 have been lumped together. > Is this correct? > This patch doesn't change the behavior for sm8150/sm8250, which are nearly identical. The check for qcom,sm8150-dispcc is just moved below. (looking over it, I should've left it first and kept the diff smaller. I had "lumped" sm8150/sm8250 because initially I had separate "pll_configure" calls for sm8350 vs sm8150/sm8250). >> - disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; >> - disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; >> - disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; >> - disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; >> - disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; >> - 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; >> + /* SM8350 has _SRC clocks offset by 4, and some other differences */ >> + 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 i; >> + static bool offset_applied = false; >> + >> + /* 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; >> + 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; >> + } else { >> + /* note: trion == lucid, except for the prepare() op */ >> + BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); >> + if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { >> + disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; >> + disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; >> + disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; >> + disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; >> + disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; >> + 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; >> + } >> } >> >> + /* note for SM8350: downstream lucid_5lpe configure differs slightly */ >> clk_lucid_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); >> clk_lucid_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config); >> >> -- >> 2.26.1 >>
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 45646b867cdb..cc60e6ee1654 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -484,11 +484,11 @@ config SDX_GCC_55 SPI, I2C, USB, SD/UFS, PCIe etc. 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 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 de09cd5c209f..1fcf8085a109 100644 --- a/drivers/clk/qcom/dispcc-sm8250.c +++ b/drivers/clk/qcom/dispcc-sm8250.c @@ -36,6 +36,10 @@ 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, @@ -1039,6 +1043,7 @@ static const struct qcom_cc_desc disp_cc_sm8250_desc = { static const struct of_device_id disp_cc_sm8250_match_table[] = { { .compatible = "qcom,sm8150-dispcc" }, { .compatible = "qcom,sm8250-dispcc" }, + { .compatible = "qcom,sm8350-dispcc" }, { } }; MODULE_DEVICE_TABLE(of, disp_cc_sm8250_match_table); @@ -1051,19 +1056,76 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); - /* note: trion == lucid, except for the prepare() op */ - BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); - if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { - disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; - disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; - disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; - disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; - disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; - 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; + /* SM8350 has _SRC clocks offset by 4, and some other differences */ + 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 i; + static bool offset_applied = false; + + /* 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; + 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; + } else { + /* note: trion == lucid, except for the prepare() op */ + BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID); + if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8150-dispcc")) { + disp_cc_pll0_config.config_ctl_hi_val = 0x00002267; + disp_cc_pll0_config.config_ctl_hi1_val = 0x00000024; + disp_cc_pll0_config.user_ctl_hi1_val = 0x000000D0; + disp_cc_pll0_init.ops = &clk_alpha_pll_trion_ops; + disp_cc_pll1_config.config_ctl_hi_val = 0x00002267; + 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; + } } + /* note for SM8350: downstream lucid_5lpe configure differs slightly */ clk_lucid_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); clk_lucid_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config);
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 <jonathan@marek.ca> --- drivers/clk/qcom/Kconfig | 4 +- drivers/clk/qcom/dispcc-sm8250.c | 84 +++++++++++++++++++++++++++----- 2 files changed, 75 insertions(+), 13 deletions(-)