[PATCH 08/10] clk: qcom: videocc-sm8450: Add SM8475 support

From: Danila Tikhonov
Date: Wed Jul 31 2024 - 14:01:39 EST


Add support to the SM8475 video clock controller by extending the
SM8450 video clock controller, which is almost identical but has some
minor differences.

Signed-off-by: Danila Tikhonov <danila@xxxxxxxxxxx>
---
drivers/clk/qcom/Kconfig | 2 +-
drivers/clk/qcom/videocc-sm8450.c | 31 ++++++++++++++++++++++++++++---
2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index eb2c8db95daf..60e70bf69cb9 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -1258,7 +1258,7 @@ config SM_VIDEOCC_8450
select QCOM_GDSC
help
Support for the video clock controller on Qualcomm Technologies, Inc.
- SM8450 devices.
+ SM8450 or SM8475 devices.
Say Y if you want to support video devices and functionality such as
video encode/decode.
endif
diff --git a/drivers/clk/qcom/videocc-sm8450.c b/drivers/clk/qcom/videocc-sm8450.c
index ed9163d64244..14d18e73332e 100644
--- a/drivers/clk/qcom/videocc-sm8450.c
+++ b/drivers/clk/qcom/videocc-sm8450.c
@@ -35,7 +35,7 @@ static const struct pll_vco lucid_evo_vco[] = {
{ 249600000, 2020000000, 0 },
};

-static const struct alpha_pll_config video_cc_pll0_config = {
+static struct alpha_pll_config video_cc_pll0_config = {
/* .l includes CAL_L_VAL, L_VAL fields */
.l = 0x0044001e,
.alpha = 0x0,
@@ -63,7 +63,7 @@ static struct clk_alpha_pll video_cc_pll0 = {
},
};

-static const struct alpha_pll_config video_cc_pll1_config = {
+static struct alpha_pll_config video_cc_pll1_config = {
/* .l includes CAL_L_VAL, L_VAL fields */
.l = 0x0044002b,
.alpha = 0xc000,
@@ -397,6 +397,7 @@ static struct qcom_cc_desc video_cc_sm8450_desc = {

static const struct of_device_id video_cc_sm8450_match_table[] = {
{ .compatible = "qcom,sm8450-videocc" },
+ { .compatible = "qcom,sm8475-videocc" },
{ }
};
MODULE_DEVICE_TABLE(of, video_cc_sm8450_match_table);
@@ -420,6 +421,30 @@ static int video_cc_sm8450_probe(struct platform_device *pdev)
return PTR_ERR(regmap);
}

+ if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8475-videocc")) {
+ /* Update VideoCC PLL0 Config */
+ video_cc_pll0_config.l = 0x1e;
+ video_cc_pll0_config.config_ctl_hi1_val = 0x82aa299c;
+ video_cc_pll0_config.test_ctl_val = 0x00000000;
+ video_cc_pll0_config.test_ctl_hi_val = 0x00000003;
+ video_cc_pll0_config.test_ctl_hi1_val = 0x00009000;
+ video_cc_pll0_config.test_ctl_hi2_val = 0x00000034;
+ video_cc_pll0_config.user_ctl_hi_val = 0x00000005;
+
+ video_cc_pll0.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+
+ /* Update VideoCC PLL1 Config */
+ video_cc_pll1_config.l = 0x2b;
+ video_cc_pll1_config.config_ctl_hi1_val = 0x82aa299c;
+ video_cc_pll1_config.test_ctl_val = 0x00000000;
+ video_cc_pll1_config.test_ctl_hi_val = 0x00000003;
+ video_cc_pll1_config.test_ctl_hi1_val = 0x00009000;
+ video_cc_pll1_config.test_ctl_hi2_val = 0x00000034;
+ video_cc_pll1_config.user_ctl_hi_val = 0x00000005;
+
+ video_cc_pll1.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+ }
+
clk_lucid_evo_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config);
clk_lucid_evo_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config);

@@ -445,5 +470,5 @@ static struct platform_driver video_cc_sm8450_driver = {

module_platform_driver(video_cc_sm8450_driver);

-MODULE_DESCRIPTION("QTI VIDEOCC SM8450 Driver");
+MODULE_DESCRIPTION("QTI VIDEOCC SM8450 / SM8475 Driver");
MODULE_LICENSE("GPL");
--
2.45.2