2022-05-03 16:33:24

by Robert Foss

[permalink] [raw]
Subject: [PATCH v2 6/8] clk: qcom: add support for SM8350 DISPCC

From: Jonathan Marek <[email protected]>

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 <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
---

Changes since v1
- Remove comment - Dmitry


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
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 22d9cbabecab..daa3714cfc7d 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;
+ 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);
--
2.34.1


2022-05-04 00:53:00

by Robert Foss

[permalink] [raw]
Subject: Re: [PATCH v2 6/8] clk: qcom: add support for SM8350 DISPCC

On Tue, 3 May 2022 at 19:25, Bjorn Andersson <[email protected]> wrote:
>
> On Tue 03 May 08:04 CDT 2022, Robert Foss wrote:
>
> > From: Jonathan Marek <[email protected]>
> >
> > 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 <[email protected]>
> > Reviewed-by: Dmitry Baryshkov <[email protected]>
>
> You handled this patch, as such your S-o-b should be here as well.
>

Ack

2022-05-04 01:58:59

by Bjorn Andersson

[permalink] [raw]
Subject: Re: [PATCH v2 6/8] clk: qcom: add support for SM8350 DISPCC

On Tue 03 May 08:04 CDT 2022, Robert Foss wrote:

> From: Jonathan Marek <[email protected]>
>
> 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 <[email protected]>
> Reviewed-by: Dmitry Baryshkov <[email protected]>

You handled this patch, as such your S-o-b should be here as well.

The rest looks good to me.

Regards,
Bjorn

> ---
>
> Changes since v1
> - Remove comment - Dmitry
>
>
> 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
> 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 22d9cbabecab..daa3714cfc7d 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;
> + 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);
> --
> 2.34.1
>