diff mbox series

[02/10] clk: qcom: gcc-sm8450: Add SM8475 support

Message ID 20240731175919.20333-3-danila@jiaxyga.com
State Superseded
Headers show
Series Add SM8475 clock controller drivers | expand

Commit Message

Danila Tikhonov July 31, 2024, 5:59 p.m. UTC 
Add support to the SM8475 global clock controller by extending the
SM8450 global clock controller, which is almost identical but has some
minor differences.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
---
 drivers/clk/qcom/Kconfig      |   3 +-
 drivers/clk/qcom/gcc-sm8450.c | 182 +++++++++++++++++++++++++++++++++-
 2 files changed, 183 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 11ae28430dad..decb41c4a58e 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -1032,7 +1032,8 @@  config SM_GCC_8450
 	depends on ARM64 || COMPILE_TEST
 	select QCOM_GDSC
 	help
-	  Support for the global clock controller on SM8450 devices.
+	  Support for the global clock controller on SM8450 or SM8475
+	  devices.
 	  Say Y if you want to use peripheral devices such as UART,
 	  SPI, I2C, USB, SD/UFS, PCIe etc.
 
diff --git a/drivers/clk/qcom/gcc-sm8450.c b/drivers/clk/qcom/gcc-sm8450.c
index c445c271678a..83e8f1a5d51b 100644
--- a/drivers/clk/qcom/gcc-sm8450.c
+++ b/drivers/clk/qcom/gcc-sm8450.c
@@ -26,6 +26,8 @@  enum {
 	P_BI_TCXO,
 	P_GCC_GPLL0_OUT_EVEN,
 	P_GCC_GPLL0_OUT_MAIN,
+	P_GCC_GPLL2_OUT_EVEN,
+	P_GCC_GPLL3_OUT_EVEN,
 	P_GCC_GPLL4_OUT_MAIN,
 	P_GCC_GPLL9_OUT_MAIN,
 	P_PCIE_1_PHY_AUX_CLK,
@@ -36,6 +38,15 @@  enum {
 	P_USB3_PHY_WRAPPER_GCC_USB30_PIPE_CLK,
 };
 
+static struct clk_init_data gcc_gpll0_sm8475_init = {
+	.name = "gcc_gpll0",
+	.parent_data = &(const struct clk_parent_data){
+		.fw_name = "bi_tcxo",
+	},
+	.num_parents = 1,
+	.ops = &clk_alpha_pll_fixed_lucid_ole_ops,
+};
+
 static struct clk_alpha_pll gcc_gpll0 = {
 	.offset = 0x0,
 	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
@@ -53,6 +64,15 @@  static struct clk_alpha_pll gcc_gpll0 = {
 	},
 };
 
+static struct clk_init_data gcc_gpll0_out_even_sm8475_init = {
+	.name = "gcc_gpll0_out_even",
+	.parent_hws = (const struct clk_hw*[]) {
+		&gcc_gpll0.clkr.hw,
+	},
+	.num_parents = 1,
+	.ops = &clk_alpha_pll_postdiv_lucid_ole_ops,
+};
+
 static const struct clk_div_table post_div_table_gcc_gpll0_out_even[] = {
 	{ 0x1, 2 },
 	{ }
@@ -75,6 +95,49 @@  static struct clk_alpha_pll_postdiv gcc_gpll0_out_even = {
 	},
 };
 
+static struct clk_alpha_pll gcc_gpll2 = {
+	.offset = 0x2000,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+	.clkr = {
+		.enable_reg = 0x62018,
+		.enable_mask = BIT(2),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_gpll2",
+			.parent_data = &(const struct clk_parent_data){
+				.fw_name = "bi_tcxo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_fixed_lucid_ole_ops,
+		},
+	},
+};
+
+static struct clk_alpha_pll gcc_gpll3 = {
+	.offset = 0x3000,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+	.clkr = {
+		.enable_reg = 0x62018,
+		.enable_mask = BIT(3),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_gpll3",
+			.parent_data = &(const struct clk_parent_data){
+				.fw_name = "bi_tcxo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_fixed_lucid_ole_ops,
+		},
+	},
+};
+
+static struct clk_init_data gcc_gpll4_sm8475_init = {
+	.name = "gcc_gpll4",
+	.parent_data = &(const struct clk_parent_data){
+		.fw_name = "bi_tcxo",
+	},
+	.num_parents = 1,
+	.ops = &clk_alpha_pll_fixed_lucid_ole_ops,
+};
+
 static struct clk_alpha_pll gcc_gpll4 = {
 	.offset = 0x4000,
 	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
@@ -92,6 +155,15 @@  static struct clk_alpha_pll gcc_gpll4 = {
 	},
 };
 
+static struct clk_init_data gcc_gpll9_sm8475_init = {
+	.name = "gcc_gpll9",
+	.parent_data = &(const struct clk_parent_data){
+		.fw_name = "bi_tcxo",
+	},
+	.num_parents = 1,
+	.ops = &clk_alpha_pll_fixed_lucid_ole_ops,
+};
+
 static struct clk_alpha_pll gcc_gpll9 = {
 	.offset = 0x9000,
 	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
@@ -153,6 +225,22 @@  static const struct clk_parent_data gcc_parent_data_3[] = {
 	{ .fw_name = "bi_tcxo" },
 };
 
+static const struct parent_map gcc_parent_map_sm8475_3[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_GCC_GPLL0_OUT_MAIN, 1 },
+	{ P_GCC_GPLL2_OUT_EVEN, 2 },
+	{ P_GCC_GPLL3_OUT_EVEN, 3 },
+	{ P_GCC_GPLL0_OUT_EVEN, 6 },
+};
+
+static const struct clk_parent_data gcc_parent_data_sm8475_3[] = {
+	{ .fw_name = "bi_tcxo" },
+	{ .hw = &gcc_gpll0.clkr.hw },
+	{ .hw = &gcc_gpll2.clkr.hw },
+	{ .hw = &gcc_gpll3.clkr.hw },
+	{ .hw = &gcc_gpll0_out_even.clkr.hw },
+};
+
 static const struct parent_map gcc_parent_map_5[] = {
 	{ P_PCIE_1_PHY_AUX_CLK, 0 },
 	{ P_BI_TCXO, 2 },
@@ -915,6 +1003,16 @@  static struct clk_rcg2 gcc_qupv3_wrap2_s6_clk_src = {
 	.clkr.hw.init = &gcc_qupv3_wrap2_s6_clk_src_init,
 };
 
+static const struct freq_tbl ftbl_gcc_sdcc2_apps_clk_src_sm8475[] = {
+	F(400000, P_BI_TCXO, 12, 1, 4),
+	F(25000000, P_GCC_GPLL0_OUT_EVEN, 12, 0, 0),
+	F(37000000, P_GCC_GPLL9_OUT_MAIN, 16, 0, 0),
+	F(50000000, P_GCC_GPLL0_OUT_EVEN, 6, 0, 0),
+	F(100000000, P_GCC_GPLL0_OUT_EVEN, 3, 0, 0),
+	F(148000000, P_GCC_GPLL9_OUT_MAIN, 4, 0, 0),
+	{ }
+};
+
 static const struct freq_tbl ftbl_gcc_sdcc2_apps_clk_src[] = {
 	F(400000, P_BI_TCXO, 12, 1, 4),
 	F(25000000, P_GCC_GPLL0_OUT_EVEN, 12, 0, 0),
@@ -963,6 +1061,25 @@  static struct clk_rcg2 gcc_sdcc4_apps_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_gcc_ufs_phy_axi_clk_src_sm8475[] = {
+	F(25000000, P_GCC_GPLL0_OUT_EVEN, 12, 0, 0),
+	F(75000000, P_GCC_GPLL0_OUT_EVEN, 4, 0, 0),
+	F(150000000, P_GCC_GPLL0_OUT_MAIN, 4, 0, 0),
+	F(300000000, P_GCC_GPLL0_OUT_MAIN, 2, 0, 0),
+	F(600000000, P_GCC_GPLL0_OUT_MAIN, 1, 0, 0),
+	F(806400000, P_GCC_GPLL2_OUT_EVEN, 1, 0, 0),
+	F(850000000, P_GCC_GPLL2_OUT_EVEN, 1, 0, 0),
+	{ }
+};
+
+static struct clk_init_data gcc_ufs_phy_axi_clk_src_sm8475_init = {
+	.name = "gcc_ufs_phy_axi_clk_src",
+	.parent_data = gcc_parent_data_sm8475_3,
+	.num_parents = ARRAY_SIZE(gcc_parent_map_sm8475_3),
+	.flags = CLK_SET_RATE_PARENT,
+	.ops = &clk_rcg2_ops,
+};
+
 static const struct freq_tbl ftbl_gcc_ufs_phy_axi_clk_src[] = {
 	F(25000000, P_GCC_GPLL0_OUT_EVEN, 12, 0, 0),
 	F(75000000, P_GCC_GPLL0_OUT_EVEN, 4, 0, 0),
@@ -987,6 +1104,24 @@  static struct clk_rcg2 gcc_ufs_phy_axi_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_gcc_ufs_phy_ice_core_clk_src_sm8475[] = {
+	F(75000000, P_GCC_GPLL0_OUT_EVEN, 4, 0, 0),
+	F(150000000, P_GCC_GPLL0_OUT_MAIN, 4, 0, 0),
+	F(300000000, P_GCC_GPLL0_OUT_MAIN, 2, 0, 0),
+	F(600000000, P_GCC_GPLL0_OUT_MAIN, 1, 0, 0),
+	F(806400000, P_GCC_GPLL2_OUT_EVEN, 1, 0, 0),
+	F(850000000, P_GCC_GPLL2_OUT_EVEN, 1, 0, 0),
+	{ }
+};
+
+static struct clk_init_data gcc_ufs_phy_ice_core_clk_src_sm8475_init = {
+	.name = "gcc_ufs_phy_ice_core_clk_src",
+	.parent_data = gcc_parent_data_sm8475_3,
+	.num_parents = ARRAY_SIZE(gcc_parent_map_sm8475_3),
+	.flags = CLK_SET_RATE_PARENT,
+	.ops = &clk_rcg2_ops,
+};
+
 static const struct freq_tbl ftbl_gcc_ufs_phy_ice_core_clk_src[] = {
 	F(75000000, P_GCC_GPLL0_OUT_EVEN, 4, 0, 0),
 	F(150000000, P_GCC_GPLL0_OUT_MAIN, 4, 0, 0),
@@ -1032,6 +1167,14 @@  static struct clk_rcg2 gcc_ufs_phy_phy_aux_clk_src = {
 	},
 };
 
+static struct clk_init_data gcc_ufs_phy_unipro_core_clk_src_sm8475_init = {
+	.name = "gcc_ufs_phy_unipro_core_clk_src",
+	.parent_data = gcc_parent_data_sm8475_3,
+	.num_parents = ARRAY_SIZE(gcc_parent_map_sm8475_3),
+	.flags = CLK_SET_RATE_PARENT,
+	.ops = &clk_rcg2_ops,
+};
+
 static struct clk_rcg2 gcc_ufs_phy_unipro_core_clk_src = {
 	.cmd_rcgr = 0x8708c,
 	.mnd_width = 0,
@@ -3166,6 +3309,8 @@  static struct clk_regmap *gcc_sm8450_clocks[] = {
 	[GCC_USB3_PRIM_PHY_PIPE_CLK_SRC] = &gcc_usb3_prim_phy_pipe_clk_src.clkr,
 	[GCC_VIDEO_AXI0_CLK] = &gcc_video_axi0_clk.clkr,
 	[GCC_VIDEO_AXI1_CLK] = &gcc_video_axi1_clk.clkr,
+	[GCC_GPLL2] = &gcc_gpll2.clkr,
+	[GCC_GPLL3] = &gcc_gpll3.clkr,
 };
 
 static const struct qcom_reset_map gcc_sm8450_resets[] = {
@@ -3259,6 +3404,7 @@  static const struct qcom_cc_desc gcc_sm8450_desc = {
 
 static const struct of_device_id gcc_sm8450_match_table[] = {
 	{ .compatible = "qcom,gcc-sm8450" },
+	{ .compatible = "qcom,sm8475-gcc" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, gcc_sm8450_match_table);
@@ -3277,6 +3423,40 @@  static int gcc_sm8450_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8475-gcc")) {
+		/* Update GCC PLL0 Config */
+		gcc_gpll0.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+		gcc_gpll0.clkr.hw.init = &gcc_gpll0_sm8475_init;
+
+		gcc_gpll0_out_even.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+		gcc_gpll0_out_even.clkr.hw.init = &gcc_gpll0_out_even_sm8475_init;
+
+		/* Update GCC PLL4 Config */
+		gcc_gpll4.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+		gcc_gpll4.clkr.hw.init = &gcc_gpll4_sm8475_init;
+
+		/* Update GCC PLL9 Config */
+		gcc_gpll9.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE];
+		gcc_gpll9.clkr.hw.init = &gcc_gpll9_sm8475_init;
+
+		gcc_sdcc2_apps_clk_src.freq_tbl = ftbl_gcc_sdcc2_apps_clk_src_sm8475;
+
+		gcc_ufs_phy_axi_clk_src.parent_map = gcc_parent_map_sm8475_3;
+		gcc_ufs_phy_axi_clk_src.freq_tbl = ftbl_gcc_ufs_phy_axi_clk_src_sm8475;
+		gcc_ufs_phy_axi_clk_src.clkr.hw.init = &gcc_ufs_phy_axi_clk_src_sm8475_init;
+
+		gcc_ufs_phy_ice_core_clk_src.parent_map = gcc_parent_map_sm8475_3;
+		gcc_ufs_phy_ice_core_clk_src.freq_tbl = ftbl_gcc_ufs_phy_ice_core_clk_src_sm8475;
+		gcc_ufs_phy_ice_core_clk_src.clkr.hw.init = &gcc_ufs_phy_ice_core_clk_src_sm8475_init;
+
+		gcc_ufs_phy_unipro_core_clk_src.parent_map = gcc_parent_map_sm8475_3;
+		gcc_ufs_phy_unipro_core_clk_src.freq_tbl = ftbl_gcc_ufs_phy_ice_core_clk_src_sm8475;
+		gcc_ufs_phy_unipro_core_clk_src.clkr.hw.init = &gcc_ufs_phy_unipro_core_clk_src_sm8475_init;
+	} else {
+		gcc_sm8450_desc.clks[GCC_GPLL2] = NULL;
+		gcc_sm8450_desc.clks[GCC_GPLL3] = NULL;
+	}
+
 	/* FORCE_MEM_CORE_ON for ufs phy ice core clocks */
 	regmap_update_bits(regmap, gcc_ufs_phy_ice_core_clk.halt_reg, BIT(14), BIT(14));
 
@@ -3312,5 +3492,5 @@  static void __exit gcc_sm8450_exit(void)
 }
 module_exit(gcc_sm8450_exit);
 
-MODULE_DESCRIPTION("QTI GCC SM8450 Driver");
+MODULE_DESCRIPTION("QTI GCC SM8450 / SM8475 Driver");
 MODULE_LICENSE("GPL v2");