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Commit 15c48e61 authored by Taniya Das's avatar Taniya Das Committed by Gerrit - the friendly Code Review server
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clk: qcom: clk-alpha-pll: Add support for Fabia print registers 



Fabia PLL print registers are required to get the PLL values
from the debugfs, thus add support for the same.

Change-Id: I24587bdba0445639ebee86c7efee543d3c37ba42
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent 5c7c89b6

drivers/clk/qcom/clk-alpha-pll.c

+58 −0
Original line number Diff line number Diff line
@@ -1895,6 +1895,60 @@ static int alpha_pll_fabia_set_rate(struct clk_hw *hw, unsigned long rate, 
	return __clk_alpha_pll_update_latch(pll);

}



static void clk_fabia_pll_list_registers(struct seq_file *f, struct clk_hw *hw)

{

	struct clk_alpha_pll *pll = to_clk_alpha_pll(hw);

	int size, i, val;



	static struct clk_register_data data[] = {

		{"PLL_MODE", PLL_OFF_MODE},

		{"PLL_L_VAL", PLL_OFF_L_VAL},

		{"PLL_CAL_L_VAL", PLL_OFF_CAL_L_VAL},

		{"PLL_USER_CTL", PLL_OFF_USER_CTL},

		{"PLL_USER_CTL_U", PLL_OFF_USER_CTL_U},

		{"PLL_CONFIG_CTL", PLL_OFF_CONFIG_CTL},

		{"PLL_CONFIG_CTL_U", PLL_OFF_CONFIG_CTL_U},

		{"PLL_TEST_CTL", PLL_OFF_TEST_CTL},

		{"PLL_TEST_CTL_U", PLL_OFF_TEST_CTL_U},

		{"PLL_STATUS", PLL_OFF_STATUS},

		{"PLL_OPMODE", PLL_OFF_OPMODE},

		{"PLL_FRAC", PLL_OFF_FRAC},

	};



	static struct clk_register_data data1[] = {

		{"APSS_PLL_VOTE", 0x0},

	};



	size = ARRAY_SIZE(data);



	for (i = 0; i < size; i++) {

		regmap_read(pll->clkr.regmap, pll->offset +

					pll->regs[data[i].offset], &val);

		seq_printf(f, "%20s: 0x%.8x\n", data[i].name, val);

	}



	regmap_read(pll->clkr.regmap, pll->offset + pll->regs[data[0].offset],

								&val);



	if (val & PLL_FSM_ENA) {

		regmap_read(pll->clkr.regmap, pll->clkr.enable_reg +

				data1[0].offset, &val);

		seq_printf(f, "%20s: 0x%.8x\n", data1[0].name, val);

	}

}



static struct clk_regmap_ops clk_fabia_pll_regmap_ops = {

	.list_registers = &clk_fabia_pll_list_registers,

};



static void clk_fabia_pll_init(struct clk_hw *hw)

{

	struct clk_regmap *rclk = to_clk_regmap(hw);



	if (!rclk->ops)

		rclk->ops = &clk_fabia_pll_regmap_ops;

}



const struct clk_ops clk_alpha_pll_fabia_ops = {

	.prepare = clk_prepare_regmap,

	.unprepare = clk_unprepare_regmap,
@@ -1906,6 +1960,8 @@ const struct clk_ops clk_alpha_pll_fabia_ops = { 
	.set_rate = alpha_pll_fabia_set_rate,

	.recalc_rate = alpha_pll_fabia_recalc_rate,

	.round_rate = clk_alpha_pll_round_rate,

	.debug_init = clk_common_debug_init,

	.init = clk_fabia_pll_init,

#ifdef CONFIG_COMMON_CLK_QCOM_DEBUG

	.list_rate_vdd_level = clk_list_rate_vdd_level,

#endif
@@ -1922,6 +1978,8 @@ const struct clk_ops clk_alpha_pll_fixed_fabia_ops = { 
	.is_enabled = clk_alpha_pll_is_enabled,

	.recalc_rate = alpha_pll_fabia_recalc_rate,

	.round_rate = clk_alpha_pll_round_rate,

	.debug_init = clk_common_debug_init,

	.init = clk_fabia_pll_init,

#ifdef CONFIG_COMMON_CLK_QCOM_DEBUG

	.list_rate_vdd_level = clk_list_rate_vdd_level,

#endif