summaryrefslogtreecommitdiffstats
path: root/drivers/clk/qcom/mmcc-msm8974.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/qcom/mmcc-msm8974.c')
-rw-r--r--drivers/clk/qcom/mmcc-msm8974.c198
1 files changed, 78 insertions, 120 deletions
diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
index c95774514b81..c65b90515872 100644
--- a/drivers/clk/qcom/mmcc-msm8974.c
+++ b/drivers/clk/qcom/mmcc-msm8974.c
@@ -25,6 +25,7 @@
#include <dt-bindings/clock/qcom,mmcc-msm8974.h>
#include <dt-bindings/reset/qcom,mmcc-msm8974.h>
+#include "common.h"
#include "clk-regmap.h"
#include "clk-pll.h"
#include "clk-rcg.h"
@@ -40,9 +41,11 @@
#define P_EDPVCO 3
#define P_GPLL1 4
#define P_DSI0PLL 4
+#define P_DSI0PLL_BYTE 4
#define P_MMPLL2 4
#define P_MMPLL3 4
#define P_DSI1PLL 5
+#define P_DSI1PLL_BYTE 5
static const u8 mmcc_xo_mmpll0_mmpll1_gpll0_map[] = {
[P_XO] = 0,
@@ -160,6 +163,24 @@ static const char *mmcc_xo_dsi_hdmi_edp_gpll0[] = {
"dsi1pll",
};
+static const u8 mmcc_xo_dsibyte_hdmi_edp_gpll0_map[] = {
+ [P_XO] = 0,
+ [P_EDPLINK] = 4,
+ [P_HDMIPLL] = 3,
+ [P_GPLL0] = 5,
+ [P_DSI0PLL_BYTE] = 1,
+ [P_DSI1PLL_BYTE] = 2,
+};
+
+static const char *mmcc_xo_dsibyte_hdmi_edp_gpll0[] = {
+ "xo",
+ "edp_link_clk",
+ "hdmipll",
+ "gpll0_vote",
+ "dsi0pllbyte",
+ "dsi1pllbyte",
+};
+
#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
static struct clk_pll mmpll0 = {
@@ -169,6 +190,7 @@ static struct clk_pll mmpll0 = {
.config_reg = 0x0014,
.mode_reg = 0x0000,
.status_reg = 0x001c,
+ .status_bit = 17,
.clkr.hw.init = &(struct clk_init_data){
.name = "mmpll0",
.parent_names = (const char *[]){ "xo" },
@@ -192,9 +214,10 @@ static struct clk_pll mmpll1 = {
.l_reg = 0x0044,
.m_reg = 0x0048,
.n_reg = 0x004c,
- .config_reg = 0x0054,
+ .config_reg = 0x0050,
.mode_reg = 0x0040,
.status_reg = 0x005c,
+ .status_bit = 17,
.clkr.hw.init = &(struct clk_init_data){
.name = "mmpll1",
.parent_names = (const char *[]){ "xo" },
@@ -218,7 +241,7 @@ static struct clk_pll mmpll2 = {
.l_reg = 0x4104,
.m_reg = 0x4108,
.n_reg = 0x410c,
- .config_reg = 0x4114,
+ .config_reg = 0x4110,
.mode_reg = 0x4100,
.status_reg = 0x411c,
.clkr.hw.init = &(struct clk_init_data){
@@ -233,9 +256,10 @@ static struct clk_pll mmpll3 = {
.l_reg = 0x0084,
.m_reg = 0x0088,
.n_reg = 0x008c,
- .config_reg = 0x0094,
+ .config_reg = 0x0090,
.mode_reg = 0x0080,
.status_reg = 0x009c,
+ .status_bit = 17,
.clkr.hw.init = &(struct clk_init_data){
.name = "mmpll3",
.parent_names = (const char *[]){ "xo" },
@@ -496,15 +520,8 @@ static struct clk_rcg2 jpeg2_clk_src = {
},
};
-static struct freq_tbl ftbl_mdss_pclk0_clk[] = {
- F(125000000, P_DSI0PLL, 2, 0, 0),
- F(250000000, P_DSI0PLL, 1, 0, 0),
- { }
-};
-
-static struct freq_tbl ftbl_mdss_pclk1_clk[] = {
- F(125000000, P_DSI1PLL, 2, 0, 0),
- F(250000000, P_DSI1PLL, 1, 0, 0),
+static struct freq_tbl pixel_freq_tbl[] = {
+ { .src = P_DSI0PLL },
{ }
};
@@ -513,12 +530,13 @@ static struct clk_rcg2 pclk0_clk_src = {
.mnd_width = 8,
.hid_width = 5,
.parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
- .freq_tbl = ftbl_mdss_pclk0_clk,
+ .freq_tbl = pixel_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "pclk0_clk_src",
.parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_pixel_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -527,12 +545,13 @@ static struct clk_rcg2 pclk1_clk_src = {
.mnd_width = 8,
.hid_width = 5,
.parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
- .freq_tbl = ftbl_mdss_pclk1_clk,
+ .freq_tbl = pixel_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "pclk1_clk_src",
.parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_pixel_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -750,41 +769,36 @@ static struct clk_rcg2 cpp_clk_src = {
},
};
-static struct freq_tbl ftbl_mdss_byte0_clk[] = {
- F(93750000, P_DSI0PLL, 8, 0, 0),
- F(187500000, P_DSI0PLL, 4, 0, 0),
- { }
-};
-
-static struct freq_tbl ftbl_mdss_byte1_clk[] = {
- F(93750000, P_DSI1PLL, 8, 0, 0),
- F(187500000, P_DSI1PLL, 4, 0, 0),
+static struct freq_tbl byte_freq_tbl[] = {
+ { .src = P_DSI0PLL_BYTE },
{ }
};
static struct clk_rcg2 byte0_clk_src = {
.cmd_rcgr = 0x2120,
.hid_width = 5,
- .parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
- .freq_tbl = ftbl_mdss_byte0_clk,
+ .parent_map = mmcc_xo_dsibyte_hdmi_edp_gpll0_map,
+ .freq_tbl = byte_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "byte0_clk_src",
- .parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
+ .parent_names = mmcc_xo_dsibyte_hdmi_edp_gpll0,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_byte_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_rcg2 byte1_clk_src = {
.cmd_rcgr = 0x2140,
.hid_width = 5,
- .parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
- .freq_tbl = ftbl_mdss_byte1_clk,
+ .parent_map = mmcc_xo_dsibyte_hdmi_edp_gpll0_map,
+ .freq_tbl = byte_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "byte1_clk_src",
- .parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
+ .parent_names = mmcc_xo_dsibyte_hdmi_edp_gpll0,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_byte_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -822,12 +836,12 @@ static struct clk_rcg2 edplink_clk_src = {
.parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
.num_parents = 6,
.ops = &clk_rcg2_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
-static struct freq_tbl ftbl_mdss_edppixel_clk[] = {
- F(175000000, P_EDPVCO, 2, 0, 0),
- F(350000000, P_EDPVCO, 11, 0, 0),
+static struct freq_tbl edp_pixel_freq_tbl[] = {
+ { .src = P_EDPVCO },
{ }
};
@@ -836,12 +850,12 @@ static struct clk_rcg2 edppixel_clk_src = {
.mnd_width = 8,
.hid_width = 5,
.parent_map = mmcc_xo_dsi_hdmi_edp_map,
- .freq_tbl = ftbl_mdss_edppixel_clk,
+ .freq_tbl = edp_pixel_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "edppixel_clk_src",
.parent_names = mmcc_xo_dsi_hdmi_edp,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_edp_pixel_ops,
},
};
@@ -853,11 +867,11 @@ static struct freq_tbl ftbl_mdss_esc0_1_clk[] = {
static struct clk_rcg2 esc0_clk_src = {
.cmd_rcgr = 0x2160,
.hid_width = 5,
- .parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
+ .parent_map = mmcc_xo_dsibyte_hdmi_edp_gpll0_map,
.freq_tbl = ftbl_mdss_esc0_1_clk,
.clkr.hw.init = &(struct clk_init_data){
.name = "esc0_clk_src",
- .parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
+ .parent_names = mmcc_xo_dsibyte_hdmi_edp_gpll0,
.num_parents = 6,
.ops = &clk_rcg2_ops,
},
@@ -866,26 +880,18 @@ static struct clk_rcg2 esc0_clk_src = {
static struct clk_rcg2 esc1_clk_src = {
.cmd_rcgr = 0x2180,
.hid_width = 5,
- .parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
+ .parent_map = mmcc_xo_dsibyte_hdmi_edp_gpll0_map,
.freq_tbl = ftbl_mdss_esc0_1_clk,
.clkr.hw.init = &(struct clk_init_data){
.name = "esc1_clk_src",
- .parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
+ .parent_names = mmcc_xo_dsibyte_hdmi_edp_gpll0,
.num_parents = 6,
.ops = &clk_rcg2_ops,
},
};
-static struct freq_tbl ftbl_mdss_extpclk_clk[] = {
- F(25200000, P_HDMIPLL, 1, 0, 0),
- F(27000000, P_HDMIPLL, 1, 0, 0),
- F(27030000, P_HDMIPLL, 1, 0, 0),
- F(65000000, P_HDMIPLL, 1, 0, 0),
- F(74250000, P_HDMIPLL, 1, 0, 0),
- F(108000000, P_HDMIPLL, 1, 0, 0),
- F(148500000, P_HDMIPLL, 1, 0, 0),
- F(268500000, P_HDMIPLL, 1, 0, 0),
- F(297000000, P_HDMIPLL, 1, 0, 0),
+static struct freq_tbl extpclk_freq_tbl[] = {
+ { .src = P_HDMIPLL },
{ }
};
@@ -893,12 +899,13 @@ static struct clk_rcg2 extpclk_clk_src = {
.cmd_rcgr = 0x2060,
.hid_width = 5,
.parent_map = mmcc_xo_dsi_hdmi_edp_gpll0_map,
- .freq_tbl = ftbl_mdss_extpclk_clk,
+ .freq_tbl = extpclk_freq_tbl,
.clkr.hw.init = &(struct clk_init_data){
.name = "extpclk_clk_src",
.parent_names = mmcc_xo_dsi_hdmi_edp_gpll0,
.num_parents = 6,
- .ops = &clk_rcg2_ops,
+ .ops = &clk_byte_ops,
+ .flags = CLK_SET_RATE_PARENT,
},
};
@@ -2318,7 +2325,7 @@ static const struct pll_config mmpll1_config = {
.vco_val = 0x0,
.vco_mask = 0x3 << 20,
.pre_div_val = 0x0,
- .pre_div_mask = 0x3 << 12,
+ .pre_div_mask = 0x7 << 12,
.post_div_val = 0x0,
.post_div_mask = 0x3 << 8,
.mn_ena_mask = BIT(24),
@@ -2332,7 +2339,7 @@ static struct pll_config mmpll3_config = {
.vco_val = 0x0,
.vco_mask = 0x3 << 20,
.pre_div_val = 0x0,
- .pre_div_mask = 0x3 << 12,
+ .pre_div_mask = 0x7 << 12,
.post_div_val = 0x0,
.post_div_mask = 0x3 << 8,
.mn_ena_mask = BIT(24),
@@ -2524,88 +2531,39 @@ static const struct regmap_config mmcc_msm8974_regmap_config = {
.fast_io = true,
};
+static const struct qcom_cc_desc mmcc_msm8974_desc = {
+ .config = &mmcc_msm8974_regmap_config,
+ .clks = mmcc_msm8974_clocks,
+ .num_clks = ARRAY_SIZE(mmcc_msm8974_clocks),
+ .resets = mmcc_msm8974_resets,
+ .num_resets = ARRAY_SIZE(mmcc_msm8974_resets),
+};
+
static const struct of_device_id mmcc_msm8974_match_table[] = {
{ .compatible = "qcom,mmcc-msm8974" },
{ }
};
MODULE_DEVICE_TABLE(of, mmcc_msm8974_match_table);
-struct qcom_cc {
- struct qcom_reset_controller reset;
- struct clk_onecell_data data;
- struct clk *clks[];
-};
-
static int mmcc_msm8974_probe(struct platform_device *pdev)
{
- void __iomem *base;
- struct resource *res;
- int i, ret;
- struct device *dev = &pdev->dev;
- struct clk *clk;
- struct clk_onecell_data *data;
- struct clk **clks;
+ int ret;
struct regmap *regmap;
- size_t num_clks;
- struct qcom_reset_controller *reset;
- struct qcom_cc *cc;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(dev, res);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap = devm_regmap_init_mmio(dev, base, &mmcc_msm8974_regmap_config);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
- num_clks = ARRAY_SIZE(mmcc_msm8974_clocks);
- cc = devm_kzalloc(dev, sizeof(*cc) + sizeof(*clks) * num_clks,
- GFP_KERNEL);
- if (!cc)
- return -ENOMEM;
-
- clks = cc->clks;
- data = &cc->data;
- data->clks = clks;
- data->clk_num = num_clks;
-
- clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
- clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);
-
- for (i = 0; i < num_clks; i++) {
- if (!mmcc_msm8974_clocks[i])
- continue;
- clk = devm_clk_register_regmap(dev, mmcc_msm8974_clocks[i]);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
- clks[i] = clk;
- }
- ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, data);
+ ret = qcom_cc_probe(pdev, &mmcc_msm8974_desc);
if (ret)
return ret;
- reset = &cc->reset;
- reset->rcdev.of_node = dev->of_node;
- reset->rcdev.ops = &qcom_reset_ops,
- reset->rcdev.owner = THIS_MODULE,
- reset->rcdev.nr_resets = ARRAY_SIZE(mmcc_msm8974_resets),
- reset->regmap = regmap;
- reset->reset_map = mmcc_msm8974_resets,
- platform_set_drvdata(pdev, &reset->rcdev);
-
- ret = reset_controller_register(&reset->rcdev);
- if (ret)
- of_clk_del_provider(dev->of_node);
+ regmap = dev_get_regmap(&pdev->dev, NULL);
+ clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
+ clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);
- return ret;
+ return 0;
}
static int mmcc_msm8974_remove(struct platform_device *pdev)
{
- of_clk_del_provider(pdev->dev.of_node);
- reset_controller_unregister(platform_get_drvdata(pdev));
+ qcom_cc_remove(pdev);
return 0;
}