Add support to the SM8475 display clock controller by extending the
SM8450 display 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/dispcc-sm8450.c | 66 ++++++++++++++++++++++++++++++--
2 files changed, 64 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index b0c28d5cf621..415b51b4fa38 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -952,7 +952,7 @@ config SM_DISPCC_8450
depends on SM_GCC_8450
help
Support for the display clock controller on Qualcomm Technologies, Inc
- SM8450 devices.
+ SM8450 or SM8475 devices.
Say Y if you want to support display devices and functionality such as
splash screen.
diff --git a/drivers/clk/qcom/dispcc-sm8450.c b/drivers/clk/qcom/dispcc-sm8450.c
index d1d3f60789ee..a1f183e6c636 100644
--- a/drivers/clk/qcom/dispcc-sm8450.c
+++ b/drivers/clk/qcom/dispcc-sm8450.c
@@ -85,6 +85,29 @@ static const struct alpha_pll_config disp_cc_pll0_config = {
.user_ctl_hi_val = 0x00000805,
};
+static const struct alpha_pll_config sm8475_disp_cc_pll0_config = {
+ .l = 0xd,
+ .alpha = 0x6492,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00182261,
+ .config_ctl_hi1_val = 0x82aa299c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000003,
+ .test_ctl_hi1_val = 0x00009000,
+ .test_ctl_hi2_val = 0x00000034,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000005,
+};
+
+static struct clk_init_data sm8475_disp_cc_pll0_init = {
+ .name = "disp_cc_pll0",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_reset_lucid_ole_ops,
+};
+
static struct clk_alpha_pll disp_cc_pll0 = {
.offset = 0x0,
.vco_table = lucid_evo_vco,
@@ -112,6 +135,29 @@ static const struct alpha_pll_config disp_cc_pll1_config = {
.user_ctl_hi_val = 0x00000805,
};
+static const struct alpha_pll_config sm8475_disp_cc_pll1_config = {
+ .l = 0x1f,
+ .alpha = 0x4000,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00182261,
+ .config_ctl_hi1_val = 0x82aa299c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000003,
+ .test_ctl_hi1_val = 0x00009000,
+ .test_ctl_hi2_val = 0x00000034,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000005,
+};
+
+static struct clk_init_data sm8475_disp_cc_pll1_init = {
+ .name = "disp_cc_pll1",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_reset_lucid_ole_ops,
+};
+
static struct clk_alpha_pll disp_cc_pll1 = {
.offset = 0x1000,
.vco_table = lucid_evo_vco,
@@ -1746,6 +1792,7 @@ static struct qcom_cc_desc disp_cc_sm8450_desc = {
static const struct of_device_id disp_cc_sm8450_match_table[] = {
{ .compatible = "qcom,sm8450-dispcc" },
+ { .compatible = "qcom,sm8475-dispcc" },
{ }
};
MODULE_DEVICE_TABLE(of, disp_cc_sm8450_match_table);
@@ -1769,8 +1816,21 @@ static int disp_cc_sm8450_probe(struct platform_device *pdev)
goto err_put_rpm;
}
- clk_lucid_evo_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
- clk_lucid_evo_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config);
+ if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8475-dispcc")) {
+ /* Update DISPCC PLL0 */
+ disp_cc_pll0.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+ disp_cc_pll0.clkr.hw.init = &sm8475_disp_cc_pll0_init;
+
+ /* Update DISPCC PLL1 */
+ disp_cc_pll1.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+ disp_cc_pll1.clkr.hw.init = &sm8475_disp_cc_pll1_init;
+
+ clk_lucid_ole_pll_configure(&disp_cc_pll0, regmap, &sm8475_disp_cc_pll0_config);
+ clk_lucid_ole_pll_configure(&disp_cc_pll1, regmap, &sm8475_disp_cc_pll1_config);
+ } else {
+ clk_lucid_evo_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config);
+ clk_lucid_evo_pll_configure(&disp_cc_pll1, regmap, &disp_cc_pll1_config);
+ }
/* Enable clock gating for MDP clocks */
regmap_update_bits(regmap, DISP_CC_MISC_CMD, 0x10, 0x10);
@@ -1802,5 +1862,5 @@ static struct platform_driver disp_cc_sm8450_driver = {
module_platform_driver(disp_cc_sm8450_driver);
-MODULE_DESCRIPTION("QTI DISPCC SM8450 Driver");
+MODULE_DESCRIPTION("QTI DISPCC SM8450 / SM8475 Driver");
MODULE_LICENSE("GPL");
--
2.46.0
