Re: [PATCH v4 4/4] clk: qcom: lpass: Add support for LPASS clock controller for SC7180
From: Stephen Boyd <sboyd@kernel.org>
Date: 2020-07-21 07:48:06
Also in:
linux-arm-msm, linux-clk, lkml
Quoting Taniya Das (2020-07-14 23:36:50)
quoted hunk ↗ jump to hunk
diff --git a/drivers/clk/qcom/lpasscorecc-sc7180.c b/drivers/clk/qcom/lpasscorecc-sc7180.c new file mode 100644 index 0000000..fd8537c --- /dev/null +++ b/drivers/clk/qcom/lpasscorecc-sc7180.c@@ -0,0 +1,478 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020, The Linux Foundation. All rights reserved. + */ + +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_runtime.h> +#include <linux/of.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h> + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "common.h" +#include "gdsc.h" + +enum { + P_BI_TCXO, + P_LPASS_LPAAUDIO_DIG_PLL_OUT_ODD, + P_SLEEP_CLK, +}; + +static struct pll_vco fabia_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +static const struct alpha_pll_config lpass_lpaaudio_dig_pll_config = { + .l = 0x20, + .alpha = 0x0, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002067, + .test_ctl_val = 0x40000000, + .test_ctl_hi_val = 0x00000000, + .user_ctl_val = 0x00005105, + .user_ctl_hi_val = 0x00004805, +}; + +static const u8 clk_alpha_pll_regs_offset[][PLL_OFF_MAX_REGS] = { + [CLK_ALPHA_PLL_TYPE_FABIA] = { + [PLL_OFF_L_VAL] = 0x04, + [PLL_OFF_CAL_L_VAL] = 0x8, + [PLL_OFF_USER_CTL] = 0x0c, + [PLL_OFF_USER_CTL_U] = 0x10, + [PLL_OFF_USER_CTL_U1] = 0x14, + [PLL_OFF_CONFIG_CTL] = 0x18, + [PLL_OFF_CONFIG_CTL_U] = 0x1C, + [PLL_OFF_CONFIG_CTL_U1] = 0x20, + [PLL_OFF_TEST_CTL] = 0x24, + [PLL_OFF_TEST_CTL_U] = 0x28, + [PLL_OFF_STATUS] = 0x30, + [PLL_OFF_OPMODE] = 0x38, + [PLL_OFF_FRAC] = 0x40, + }, +}; + +static struct clk_alpha_pll lpass_lpaaudio_dig_pll = { + .offset = 0x1000, + .vco_table = fabia_vco, + .num_vco = ARRAY_SIZE(fabia_vco), + .regs = clk_alpha_pll_regs_offset[CLK_ALPHA_PLL_TYPE_FABIA], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "lpass_lpaaudio_dig_pll", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + .name = "bi_tcxo",
We don't need .name if we have .fw_name and this is a new binding/device.
+ }, + .num_parents = 1, + .ops = &clk_alpha_pll_fabia_ops, + }, + }, +}; +