Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
new file mode 100644
index 000000000..66755f0f8
--- /dev/null
+++ b/drivers/clk/qcom/clk-alpha-pll.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. */
+
+#ifndef __QCOM_CLK_ALPHA_PLL_H__
+#define __QCOM_CLK_ALPHA_PLL_H__
+
+#include <linux/clk-provider.h>
+#include "clk-regmap.h"
+
+/* Alpha PLL types */
+enum {
+	CLK_ALPHA_PLL_TYPE_DEFAULT,
+	CLK_ALPHA_PLL_TYPE_HUAYRA,
+	CLK_ALPHA_PLL_TYPE_BRAMMO,
+	CLK_ALPHA_PLL_TYPE_FABIA,
+	CLK_ALPHA_PLL_TYPE_MAX,
+};
+
+enum {
+	PLL_OFF_L_VAL,
+	PLL_OFF_ALPHA_VAL,
+	PLL_OFF_ALPHA_VAL_U,
+	PLL_OFF_USER_CTL,
+	PLL_OFF_USER_CTL_U,
+	PLL_OFF_CONFIG_CTL,
+	PLL_OFF_CONFIG_CTL_U,
+	PLL_OFF_TEST_CTL,
+	PLL_OFF_TEST_CTL_U,
+	PLL_OFF_STATUS,
+	PLL_OFF_OPMODE,
+	PLL_OFF_FRAC,
+	PLL_OFF_MAX_REGS
+};
+
+extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
+
+struct pll_vco {
+	unsigned long min_freq;
+	unsigned long max_freq;
+	u32 val;
+};
+
+/**
+ * struct clk_alpha_pll - phase locked loop (PLL)
+ * @offset: base address of registers
+ * @vco_table: array of VCO settings
+ * @regs: alpha pll register map (see @clk_alpha_pll_regs)
+ * @clkr: regmap clock handle
+ */
+struct clk_alpha_pll {
+	u32 offset;
+	const u8 *regs;
+
+	const struct pll_vco *vco_table;
+	size_t num_vco;
+#define SUPPORTS_OFFLINE_REQ	BIT(0)
+#define SUPPORTS_FSM_MODE	BIT(2)
+#define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
+	u8 flags;
+
+	struct clk_regmap clkr;
+};
+
+/**
+ * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
+ * @offset: base address of registers
+ * @regs: alpha pll register map (see @clk_alpha_pll_regs)
+ * @width: width of post-divider
+ * @post_div_shift: shift to differentiate between odd & even post-divider
+ * @post_div_table: table with PLL odd and even post-divider settings
+ * @num_post_div: Number of PLL post-divider settings
+ *
+ * @clkr: regmap clock handle
+ */
+struct clk_alpha_pll_postdiv {
+	u32 offset;
+	u8 width;
+	const u8 *regs;
+
+	struct clk_regmap clkr;
+	int post_div_shift;
+	const struct clk_div_table *post_div_table;
+	size_t num_post_div;
+};
+
+struct alpha_pll_config {
+	u32 l;
+	u32 alpha;
+	u32 alpha_hi;
+	u32 config_ctl_val;
+	u32 config_ctl_hi_val;
+	u32 main_output_mask;
+	u32 aux_output_mask;
+	u32 aux2_output_mask;
+	u32 early_output_mask;
+	u32 alpha_en_mask;
+	u32 alpha_mode_mask;
+	u32 pre_div_val;
+	u32 pre_div_mask;
+	u32 post_div_val;
+	u32 post_div_mask;
+	u32 vco_val;
+	u32 vco_mask;
+};
+
+extern const struct clk_ops clk_alpha_pll_ops;
+extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
+extern const struct clk_ops clk_alpha_pll_postdiv_ops;
+extern const struct clk_ops clk_alpha_pll_huayra_ops;
+extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
+
+extern const struct clk_ops clk_alpha_pll_fabia_ops;
+extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
+extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
+
+void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
+			     const struct alpha_pll_config *config);
+void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
+				const struct alpha_pll_config *config);
+
+#endif