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Commit b138f139 authored by Veera Vegivada's avatar Veera Vegivada Committed by Gerrit - the friendly Code Review server
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Revert "clk: qcom: scc: Remove support of SCC PLLs for 8150" 



In SA8155, SCC Q6 is not yet enabled. So configure the PLL
in our driver.
This reverts commit d97648e5.

Change-Id: Ia08e6f612d80964283aff4a330bbde5001b2450c
Signed-off-by: default avatarVeera Vegivada <vvegivad@codeaurora.org>
parent c8980a40

drivers/clk/qcom/scc-sm8150.c

+101 −0
Original line number Diff line number Diff line
@@ -71,6 +71,80 @@ static const char * const scc_parent_names_0[] = { 
	"ssc_bi_pll_test_se",

};



static struct pll_vco trion_vco[] = {

	{ 249600000, 2000000000, 0 },

};



static struct alpha_pll_config scc_pll_config = {

	.l = 0x1F,

	.alpha = 0x4000,

	.config_ctl_val = 0x20485699,

	.config_ctl_hi_val = 0x00002267,

	.config_ctl_hi1_val = 0x00000024,

	.test_ctl_val = 0x00000000,

	.test_ctl_hi_val = 0x00000002,

	.test_ctl_hi1_val = 0x00000000,

	.user_ctl_val = 0x00000100,

	.user_ctl_hi_val = 0x00000805,

	.user_ctl_hi1_val = 0x000000D0,

};



static struct alpha_pll_config scc_pll_config_sm8150_v2 = {

	.l = 0x1E,

	.alpha = 0x0,

	.config_ctl_val = 0x20485699,

	.config_ctl_hi_val = 0x00002267,

	.config_ctl_hi1_val = 0x00000024,

	.user_ctl_val = 0x00000100,

	.user_ctl_hi_val = 0x00000805,

	.user_ctl_hi1_val = 0x000000D0,

};



static struct clk_alpha_pll scc_pll = {

	.offset = 0x0,

	.vco_table = trion_vco,

	.num_vco = ARRAY_SIZE(trion_vco),

	.type = TRION_PLL,

	.config = &scc_pll_config,

	.clkr = {

		.hw.init = &(struct clk_init_data){

			.name = "scc_pll",

			.parent_names = (const char *[]){ "bi_tcxo" },

			.num_parents = 1,

			.ops = &clk_trion_pll_ops,

			.vdd_class = &vdd_scc_cx,

			.num_rate_max = VDD_NUM,

			.rate_max = (unsigned long[VDD_NUM]) {

				[VDD_MIN] = 615000000,

				[VDD_LOW] = 1066000000,

				[VDD_LOW_L1] = 1600000000,

				[VDD_NOMINAL] = 2000000000},

		},

	},

};



static const struct clk_div_table post_div_table_trion_even[] = {

	{ 0x0, 1 },

	{ 0x1, 2 },

	{ 0x3, 4 },

	{ 0x7, 8 },

	{ }

};



static struct clk_alpha_pll_postdiv scc_pll_out_even = {

	.offset = 0x0,

	.post_div_shift = 8,

	.post_div_table = post_div_table_trion_even,

	.num_post_div = ARRAY_SIZE(post_div_table_trion_even),

	.width = 4,

	.clkr.hw.init = &(struct clk_init_data){

		.name = "scc_pll_out_even",

		.parent_names = (const char *[]){ "scc_pll" },

		.num_parents = 1,

		.ops = &clk_trion_pll_postdiv_ops,

	},

};



static const struct freq_tbl ftbl_scc_main_rcg_clk_src[] = {

	F(100000000, P_SCC_PLL_OUT_EVEN, 3, 0, 0),

	{ }
@@ -451,6 +525,8 @@ static struct clk_branch scc_qupv3_se5_clk = { 


static struct clk_regmap *scc_sm8150_clocks[] = {

	[SCC_MAIN_RCG_CLK_SRC] = &scc_main_rcg_clk_src.clkr,

	[SCC_PLL] = &scc_pll.clkr,

	[SCC_PLL_OUT_EVEN] = &scc_pll_out_even.clkr,

	[SCC_QUPV3_2XCORE_CLK] = &scc_qupv3_2xcore_clk.clkr,

	[SCC_QUPV3_CORE_CLK] = &scc_qupv3_core_clk.clkr,

	[SCC_QUPV3_M_HCLK_CLK] = &scc_qupv3_m_hclk_clk.clkr,
@@ -507,6 +583,21 @@ static const struct of_device_id scc_sm8150_match_table[] = { 
};

MODULE_DEVICE_TABLE(of, scc_sm8150_match_table);



static int scc_sa8155_resume(struct device *dev)

{

	struct regmap *regmap = dev_get_drvdata(dev);



	/* Reconfigure the scc pll */

	scc_pll.inited = false;

	clk_trion_pll_configure(&scc_pll, regmap, scc_pll.config);



	return 0;

}



static const struct dev_pm_ops scc_sa8155_pm_ops = {

	.restore_early = scc_sa8155_resume,

};



static void scc_sa8195_fixup(struct platform_device *pdev)

{

	if (of_device_is_compatible(pdev->dev.of_node, "qcom,scc-sa8195")) {
@@ -517,6 +608,8 @@ static void scc_sa8195_fixup(struct platform_device *pdev) 


static void scc_sm8150_fixup_sm8150v2(struct regmap *regmap)

{

	scc_pll.config = &scc_pll_config_sm8150_v2;



	scc_main_rcg_clk_src.freq_tbl = ftbl_scc_main_rcg_clk_src_sm8150_v2;

	scc_main_rcg_clk_src.clkr.hw.init->rate_max[VDD_MIN] = 96000000;

	scc_main_rcg_clk_src.clkr.hw.init->rate_max[VDD_LOW] = 576000000;
@@ -573,6 +666,12 @@ static int scc_sm8150_fixup(struct platform_device *pdev, struct regmap *regmap) 
			!strcmp(compat, "qcom,scc-sa8155-v2"))

		scc_sm8150_fixup_sm8150v2(regmap);



	if (!strcmp(compat, "qcom,scc-sa8155") ||

			!strcmp(compat, "qcom,scc-sa8155-v2")) {

		pdev->dev.driver->pm = &scc_sa8155_pm_ops;

		dev_set_drvdata(&pdev->dev, regmap);

	}



	return 0;

}
@@ -602,6 +701,8 @@ static int scc_sm8150_probe(struct platform_device *pdev) 
	if (ret)

		return ret;



	clk_trion_pll_configure(&scc_pll, regmap, scc_pll.config);



	ret = qcom_cc_really_probe(pdev, &scc_sm8150_desc, regmap);

	if (ret) {

		dev_err(&pdev->dev, "Failed to register SCC clocks\n");

include/dt-bindings/clock/qcom,scc-sm8150.h

+18 −16
Original line number Diff line number Diff line
@@ -15,21 +15,23 @@ 
#define _DT_BINDINGS_CLK_QCOM_SCC_SM8150_H



#define SCC_MAIN_RCG_CLK_SRC					0

#define SCC_QUPV3_2XCORE_CLK					1

#define SCC_QUPV3_CORE_CLK					2

#define SCC_QUPV3_M_HCLK_CLK					3

#define SCC_QUPV3_S_HCLK_CLK					4

#define SCC_QUPV3_SE0_CLK					5

#define SCC_QUPV3_SE0_CLK_SRC					6

#define SCC_QUPV3_SE1_CLK					7

#define SCC_QUPV3_SE1_CLK_SRC					8

#define SCC_QUPV3_SE2_CLK					9

#define SCC_QUPV3_SE2_CLK_SRC					10

#define SCC_QUPV3_SE3_CLK					11

#define SCC_QUPV3_SE3_CLK_SRC					12

#define SCC_QUPV3_SE4_CLK					13

#define SCC_QUPV3_SE4_CLK_SRC					14

#define SCC_QUPV3_SE5_CLK					15

#define SCC_QUPV3_SE5_CLK_SRC					16

#define SCC_PLL							1

#define SCC_PLL_OUT_EVEN					2

#define SCC_QUPV3_2XCORE_CLK					3

#define SCC_QUPV3_CORE_CLK					4

#define SCC_QUPV3_M_HCLK_CLK					5

#define SCC_QUPV3_S_HCLK_CLK					6

#define SCC_QUPV3_SE0_CLK					7

#define SCC_QUPV3_SE0_CLK_SRC					8

#define SCC_QUPV3_SE1_CLK					9

#define SCC_QUPV3_SE1_CLK_SRC					10

#define SCC_QUPV3_SE2_CLK					11

#define SCC_QUPV3_SE2_CLK_SRC					12

#define SCC_QUPV3_SE3_CLK					13

#define SCC_QUPV3_SE3_CLK_SRC					14

#define SCC_QUPV3_SE4_CLK					15

#define SCC_QUPV3_SE4_CLK_SRC					16

#define SCC_QUPV3_SE5_CLK					17

#define SCC_QUPV3_SE5_CLK_SRC					18



#endif