[PATCH v3 7/8] clk: qcom: Add MSM8960/APQ8064 LPASS clock controller (LCC) driver
Mike Turquette
mturquette at linaro.org
Tue Jan 27 11:51:40 PST 2015
Quoting Stephen Boyd (2015-01-19 18:05:34)
> Add an LCC driver for MSM8960/APQ8064 that supports the i2s,
> slimbus, and pcm clocks.
>
> Change-Id: I2549b821f7bf467c1bd80d4827a1a7621e725659
Removed above line while applying.
Regards,
Mike
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
> ---
> drivers/clk/qcom/Kconfig | 9 +
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/lcc-msm8960.c | 585 +++++++++++++++++++++++++++
> include/dt-bindings/clock/qcom,lcc-msm8960.h | 50 +++
> 4 files changed, 645 insertions(+)
> create mode 100644 drivers/clk/qcom/lcc-msm8960.c
> create mode 100644 include/dt-bindings/clock/qcom,lcc-msm8960.h
>
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 07bce5f35eee..0d7ab52b7ab0 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -54,6 +54,15 @@ config MSM_GCC_8960
> Say Y if you want to use peripheral devices such as UART, SPI,
> i2c, USB, SD/eMMC, SATA, PCIe, etc.
>
> +config MSM_LCC_8960
> + tristate "APQ8064/MSM8960 LPASS Clock Controller"
> + select MSM_GCC_8960
> + depends on COMMON_CLK_QCOM
> + help
> + Support for the LPASS clock controller on apq8064/msm8960 devices.
> + Say Y if you want to use audio devices such as i2s, pcm,
> + SLIMBus, etc.
> +
> config MSM_MMCC_8960
> tristate "MSM8960 Multimedia Clock Controller"
> select MSM_GCC_8960
> diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
> index 13c03a8808ec..617826469595 100644
> --- a/drivers/clk/qcom/Makefile
> +++ b/drivers/clk/qcom/Makefile
> @@ -16,6 +16,7 @@ obj-$(CONFIG_IPQ_GCC_806X) += gcc-ipq806x.o
> obj-$(CONFIG_IPQ_LCC_806X) += lcc-ipq806x.o
> obj-$(CONFIG_MSM_GCC_8660) += gcc-msm8660.o
> obj-$(CONFIG_MSM_GCC_8960) += gcc-msm8960.o
> +obj-$(CONFIG_MSM_LCC_8960) += lcc-msm8960.o
> obj-$(CONFIG_MSM_GCC_8974) += gcc-msm8974.o
> obj-$(CONFIG_MSM_MMCC_8960) += mmcc-msm8960.o
> obj-$(CONFIG_MSM_MMCC_8974) += mmcc-msm8974.o
> diff --git a/drivers/clk/qcom/lcc-msm8960.c b/drivers/clk/qcom/lcc-msm8960.c
> new file mode 100644
> index 000000000000..a75a408cfccd
> --- /dev/null
> +++ b/drivers/clk/qcom/lcc-msm8960.c
> @@ -0,0 +1,585 @@
> +/*
> + * Copyright (c) 2014, The Linux Foundation. All rights reserved.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/bitops.h>
> +#include <linux/err.h>
> +#include <linux/platform_device.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/clk-provider.h>
> +#include <linux/regmap.h>
> +
> +#include <dt-bindings/clock/qcom,lcc-msm8960.h>
> +
> +#include "common.h"
> +#include "clk-regmap.h"
> +#include "clk-pll.h"
> +#include "clk-rcg.h"
> +#include "clk-branch.h"
> +#include "clk-regmap-divider.h"
> +#include "clk-regmap-mux.h"
> +
> +static struct clk_pll pll4 = {
> + .l_reg = 0x4,
> + .m_reg = 0x8,
> + .n_reg = 0xc,
> + .config_reg = 0x14,
> + .mode_reg = 0x0,
> + .status_reg = 0x18,
> + .status_bit = 16,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "pll4",
> + .parent_names = (const char *[]){ "pxo" },
> + .num_parents = 1,
> + .ops = &clk_pll_ops,
> + },
> +};
> +
> +#define P_PXO 0
> +#define P_PLL4 1
> +
> +static const u8 lcc_pxo_pll4_map[] = {
> + [P_PXO] = 0,
> + [P_PLL4] = 2,
> +};
> +
> +static const char *lcc_pxo_pll4[] = {
> + "pxo",
> + "pll4_vote",
> +};
> +
> +static struct freq_tbl clk_tbl_aif_osr_492[] = {
> + { 512000, P_PLL4, 4, 1, 240 },
> + { 768000, P_PLL4, 4, 1, 160 },
> + { 1024000, P_PLL4, 4, 1, 120 },
> + { 1536000, P_PLL4, 4, 1, 80 },
> + { 2048000, P_PLL4, 4, 1, 60 },
> + { 3072000, P_PLL4, 4, 1, 40 },
> + { 4096000, P_PLL4, 4, 1, 30 },
> + { 6144000, P_PLL4, 4, 1, 20 },
> + { 8192000, P_PLL4, 4, 1, 15 },
> + { 12288000, P_PLL4, 4, 1, 10 },
> + { 24576000, P_PLL4, 4, 1, 5 },
> + { 27000000, P_PXO, 1, 0, 0 },
> + { }
> +};
> +
> +static struct freq_tbl clk_tbl_aif_osr_393[] = {
> + { 512000, P_PLL4, 4, 1, 192 },
> + { 768000, P_PLL4, 4, 1, 128 },
> + { 1024000, P_PLL4, 4, 1, 96 },
> + { 1536000, P_PLL4, 4, 1, 64 },
> + { 2048000, P_PLL4, 4, 1, 48 },
> + { 3072000, P_PLL4, 4, 1, 32 },
> + { 4096000, P_PLL4, 4, 1, 24 },
> + { 6144000, P_PLL4, 4, 1, 16 },
> + { 8192000, P_PLL4, 4, 1, 12 },
> + { 12288000, P_PLL4, 4, 1, 8 },
> + { 24576000, P_PLL4, 4, 1, 4 },
> + { 27000000, P_PXO, 1, 0, 0 },
> + { }
> +};
> +
> +static struct clk_rcg mi2s_osr_src = {
> + .ns_reg = 0x48,
> + .md_reg = 0x4c,
> + .mn = {
> + .mnctr_en_bit = 8,
> + .mnctr_reset_bit = 7,
> + .mnctr_mode_shift = 5,
> + .n_val_shift = 24,
> + .m_val_shift = 8,
> + .width = 8,
> + },
> + .p = {
> + .pre_div_shift = 3,
> + .pre_div_width = 2,
> + },
> + .s = {
> + .src_sel_shift = 0,
> + .parent_map = lcc_pxo_pll4_map,
> + },
> + .freq_tbl = clk_tbl_aif_osr_393,
> + .clkr = {
> + .enable_reg = 0x48,
> + .enable_mask = BIT(9),
> + .hw.init = &(struct clk_init_data){
> + .name = "mi2s_osr_src",
> + .parent_names = lcc_pxo_pll4,
> + .num_parents = 2,
> + .ops = &clk_rcg_ops,
> + .flags = CLK_SET_RATE_GATE,
> + },
> + },
> +};
> +
> +static const char *lcc_mi2s_parents[] = {
> + "mi2s_osr_src",
> +};
> +
> +static struct clk_branch mi2s_osr_clk = {
> + .halt_reg = 0x50,
> + .halt_bit = 1,
> + .halt_check = BRANCH_HALT_ENABLE,
> + .clkr = {
> + .enable_reg = 0x48,
> + .enable_mask = BIT(17),
> + .hw.init = &(struct clk_init_data){
> + .name = "mi2s_osr_clk",
> + .parent_names = lcc_mi2s_parents,
> + .num_parents = 1,
> + .ops = &clk_branch_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_regmap_div mi2s_div_clk = {
> + .reg = 0x48,
> + .shift = 10,
> + .width = 4,
> + .clkr = {
> + .enable_reg = 0x48,
> + .enable_mask = BIT(15),
> + .hw.init = &(struct clk_init_data){
> + .name = "mi2s_div_clk",
> + .parent_names = lcc_mi2s_parents,
> + .num_parents = 1,
> + .ops = &clk_regmap_div_ops,
> + },
> + },
> +};
> +
> +static struct clk_branch mi2s_bit_div_clk = {
> + .halt_reg = 0x50,
> + .halt_bit = 0,
> + .halt_check = BRANCH_HALT_ENABLE,
> + .clkr = {
> + .enable_reg = 0x48,
> + .enable_mask = BIT(15),
> + .hw.init = &(struct clk_init_data){
> + .name = "mi2s_bit_div_clk",
> + .parent_names = (const char *[]){ "mi2s_div_clk" },
> + .num_parents = 1,
> + .ops = &clk_branch_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_regmap_mux mi2s_bit_clk = {
> + .reg = 0x48,
> + .shift = 14,
> + .width = 1,
> + .clkr = {
> + .hw.init = &(struct clk_init_data){
> + .name = "mi2s_bit_clk",
> + .parent_names = (const char *[]){
> + "mi2s_bit_div_clk",
> + "mi2s_codec_clk",
> + },
> + .num_parents = 2,
> + .ops = &clk_regmap_mux_closest_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +#define CLK_AIF_OSR_DIV(prefix, _ns, _md, hr) \
> +static struct clk_rcg prefix##_osr_src = { \
> + .ns_reg = _ns, \
> + .md_reg = _md, \
> + .mn = { \
> + .mnctr_en_bit = 8, \
> + .mnctr_reset_bit = 7, \
> + .mnctr_mode_shift = 5, \
> + .n_val_shift = 24, \
> + .m_val_shift = 8, \
> + .width = 8, \
> + }, \
> + .p = { \
> + .pre_div_shift = 3, \
> + .pre_div_width = 2, \
> + }, \
> + .s = { \
> + .src_sel_shift = 0, \
> + .parent_map = lcc_pxo_pll4_map, \
> + }, \
> + .freq_tbl = clk_tbl_aif_osr_393, \
> + .clkr = { \
> + .enable_reg = _ns, \
> + .enable_mask = BIT(9), \
> + .hw.init = &(struct clk_init_data){ \
> + .name = #prefix "_osr_src", \
> + .parent_names = lcc_pxo_pll4, \
> + .num_parents = 2, \
> + .ops = &clk_rcg_ops, \
> + .flags = CLK_SET_RATE_GATE, \
> + }, \
> + }, \
> +}; \
> + \
> +static const char *lcc_##prefix##_parents[] = { \
> + #prefix "_osr_src", \
> +}; \
> + \
> +static struct clk_branch prefix##_osr_clk = { \
> + .halt_reg = hr, \
> + .halt_bit = 1, \
> + .halt_check = BRANCH_HALT_ENABLE, \
> + .clkr = { \
> + .enable_reg = _ns, \
> + .enable_mask = BIT(21), \
> + .hw.init = &(struct clk_init_data){ \
> + .name = #prefix "_osr_clk", \
> + .parent_names = lcc_##prefix##_parents, \
> + .num_parents = 1, \
> + .ops = &clk_branch_ops, \
> + .flags = CLK_SET_RATE_PARENT, \
> + }, \
> + }, \
> +}; \
> + \
> +static struct clk_regmap_div prefix##_div_clk = { \
> + .reg = _ns, \
> + .shift = 10, \
> + .width = 8, \
> + .clkr = { \
> + .hw.init = &(struct clk_init_data){ \
> + .name = #prefix "_div_clk", \
> + .parent_names = lcc_##prefix##_parents, \
> + .num_parents = 1, \
> + .ops = &clk_regmap_div_ops, \
> + }, \
> + }, \
> +}; \
> + \
> +static struct clk_branch prefix##_bit_div_clk = { \
> + .halt_reg = hr, \
> + .halt_bit = 0, \
> + .halt_check = BRANCH_HALT_ENABLE, \
> + .clkr = { \
> + .enable_reg = _ns, \
> + .enable_mask = BIT(19), \
> + .hw.init = &(struct clk_init_data){ \
> + .name = #prefix "_bit_div_clk", \
> + .parent_names = (const char *[]){ \
> + #prefix "_div_clk" \
> + }, \
> + .num_parents = 1, \
> + .ops = &clk_branch_ops, \
> + .flags = CLK_SET_RATE_PARENT, \
> + }, \
> + }, \
> +}; \
> + \
> +static struct clk_regmap_mux prefix##_bit_clk = { \
> + .reg = _ns, \
> + .shift = 18, \
> + .width = 1, \
> + .clkr = { \
> + .hw.init = &(struct clk_init_data){ \
> + .name = #prefix "_bit_clk", \
> + .parent_names = (const char *[]){ \
> + #prefix "_bit_div_clk", \
> + #prefix "_codec_clk", \
> + }, \
> + .num_parents = 2, \
> + .ops = &clk_regmap_mux_closest_ops, \
> + .flags = CLK_SET_RATE_PARENT, \
> + }, \
> + }, \
> +}
> +
> +CLK_AIF_OSR_DIV(codec_i2s_mic, 0x60, 0x64, 0x68);
> +CLK_AIF_OSR_DIV(spare_i2s_mic, 0x78, 0x7c, 0x80);
> +CLK_AIF_OSR_DIV(codec_i2s_spkr, 0x6c, 0x70, 0x74);
> +CLK_AIF_OSR_DIV(spare_i2s_spkr, 0x84, 0x88, 0x8c);
> +
> +static struct freq_tbl clk_tbl_pcm_492[] = {
> + { 256000, P_PLL4, 4, 1, 480 },
> + { 512000, P_PLL4, 4, 1, 240 },
> + { 768000, P_PLL4, 4, 1, 160 },
> + { 1024000, P_PLL4, 4, 1, 120 },
> + { 1536000, P_PLL4, 4, 1, 80 },
> + { 2048000, P_PLL4, 4, 1, 60 },
> + { 3072000, P_PLL4, 4, 1, 40 },
> + { 4096000, P_PLL4, 4, 1, 30 },
> + { 6144000, P_PLL4, 4, 1, 20 },
> + { 8192000, P_PLL4, 4, 1, 15 },
> + { 12288000, P_PLL4, 4, 1, 10 },
> + { 24576000, P_PLL4, 4, 1, 5 },
> + { 27000000, P_PXO, 1, 0, 0 },
> + { }
> +};
> +
> +static struct freq_tbl clk_tbl_pcm_393[] = {
> + { 256000, P_PLL4, 4, 1, 384 },
> + { 512000, P_PLL4, 4, 1, 192 },
> + { 768000, P_PLL4, 4, 1, 128 },
> + { 1024000, P_PLL4, 4, 1, 96 },
> + { 1536000, P_PLL4, 4, 1, 64 },
> + { 2048000, P_PLL4, 4, 1, 48 },
> + { 3072000, P_PLL4, 4, 1, 32 },
> + { 4096000, P_PLL4, 4, 1, 24 },
> + { 6144000, P_PLL4, 4, 1, 16 },
> + { 8192000, P_PLL4, 4, 1, 12 },
> + { 12288000, P_PLL4, 4, 1, 8 },
> + { 24576000, P_PLL4, 4, 1, 4 },
> + { 27000000, P_PXO, 1, 0, 0 },
> + { }
> +};
> +
> +static struct clk_rcg pcm_src = {
> + .ns_reg = 0x54,
> + .md_reg = 0x58,
> + .mn = {
> + .mnctr_en_bit = 8,
> + .mnctr_reset_bit = 7,
> + .mnctr_mode_shift = 5,
> + .n_val_shift = 16,
> + .m_val_shift = 16,
> + .width = 16,
> + },
> + .p = {
> + .pre_div_shift = 3,
> + .pre_div_width = 2,
> + },
> + .s = {
> + .src_sel_shift = 0,
> + .parent_map = lcc_pxo_pll4_map,
> + },
> + .freq_tbl = clk_tbl_pcm_393,
> + .clkr = {
> + .enable_reg = 0x54,
> + .enable_mask = BIT(9),
> + .hw.init = &(struct clk_init_data){
> + .name = "pcm_src",
> + .parent_names = lcc_pxo_pll4,
> + .num_parents = 2,
> + .ops = &clk_rcg_ops,
> + .flags = CLK_SET_RATE_GATE,
> + },
> + },
> +};
> +
> +static struct clk_branch pcm_clk_out = {
> + .halt_reg = 0x5c,
> + .halt_bit = 0,
> + .halt_check = BRANCH_HALT_ENABLE,
> + .clkr = {
> + .enable_reg = 0x54,
> + .enable_mask = BIT(11),
> + .hw.init = &(struct clk_init_data){
> + .name = "pcm_clk_out",
> + .parent_names = (const char *[]){ "pcm_src" },
> + .num_parents = 1,
> + .ops = &clk_branch_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_regmap_mux pcm_clk = {
> + .reg = 0x54,
> + .shift = 10,
> + .width = 1,
> + .clkr = {
> + .hw.init = &(struct clk_init_data){
> + .name = "pcm_clk",
> + .parent_names = (const char *[]){
> + "pcm_clk_out",
> + "pcm_codec_clk",
> + },
> + .num_parents = 2,
> + .ops = &clk_regmap_mux_closest_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_rcg slimbus_src = {
> + .ns_reg = 0xcc,
> + .md_reg = 0xd0,
> + .mn = {
> + .mnctr_en_bit = 8,
> + .mnctr_reset_bit = 7,
> + .mnctr_mode_shift = 5,
> + .n_val_shift = 16,
> + .m_val_shift = 16,
> + .width = 8,
> + },
> + .p = {
> + .pre_div_shift = 3,
> + .pre_div_width = 2,
> + },
> + .s = {
> + .src_sel_shift = 0,
> + .parent_map = lcc_pxo_pll4_map,
> + },
> + .freq_tbl = clk_tbl_aif_osr_393,
> + .clkr = {
> + .enable_reg = 0xcc,
> + .enable_mask = BIT(9),
> + .hw.init = &(struct clk_init_data){
> + .name = "slimbus_src",
> + .parent_names = lcc_pxo_pll4,
> + .num_parents = 2,
> + .ops = &clk_rcg_ops,
> + .flags = CLK_SET_RATE_GATE,
> + },
> + },
> +};
> +
> +static const char *lcc_slimbus_parents[] = {
> + "slimbus_src",
> +};
> +
> +static struct clk_branch audio_slimbus_clk = {
> + .halt_reg = 0xd4,
> + .halt_bit = 0,
> + .halt_check = BRANCH_HALT_ENABLE,
> + .clkr = {
> + .enable_reg = 0xcc,
> + .enable_mask = BIT(10),
> + .hw.init = &(struct clk_init_data){
> + .name = "audio_slimbus_clk",
> + .parent_names = lcc_slimbus_parents,
> + .num_parents = 1,
> + .ops = &clk_branch_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_branch sps_slimbus_clk = {
> + .halt_reg = 0xd4,
> + .halt_bit = 1,
> + .halt_check = BRANCH_HALT_ENABLE,
> + .clkr = {
> + .enable_reg = 0xcc,
> + .enable_mask = BIT(12),
> + .hw.init = &(struct clk_init_data){
> + .name = "sps_slimbus_clk",
> + .parent_names = lcc_slimbus_parents,
> + .num_parents = 1,
> + .ops = &clk_branch_ops,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> + },
> +};
> +
> +static struct clk_regmap *lcc_msm8960_clks[] = {
> + [PLL4] = &pll4.clkr,
> + [MI2S_OSR_SRC] = &mi2s_osr_src.clkr,
> + [MI2S_OSR_CLK] = &mi2s_osr_clk.clkr,
> + [MI2S_DIV_CLK] = &mi2s_div_clk.clkr,
> + [MI2S_BIT_DIV_CLK] = &mi2s_bit_div_clk.clkr,
> + [MI2S_BIT_CLK] = &mi2s_bit_clk.clkr,
> + [PCM_SRC] = &pcm_src.clkr,
> + [PCM_CLK_OUT] = &pcm_clk_out.clkr,
> + [PCM_CLK] = &pcm_clk.clkr,
> + [SLIMBUS_SRC] = &slimbus_src.clkr,
> + [AUDIO_SLIMBUS_CLK] = &audio_slimbus_clk.clkr,
> + [SPS_SLIMBUS_CLK] = &sps_slimbus_clk.clkr,
> + [CODEC_I2S_MIC_OSR_SRC] = &codec_i2s_mic_osr_src.clkr,
> + [CODEC_I2S_MIC_OSR_CLK] = &codec_i2s_mic_osr_clk.clkr,
> + [CODEC_I2S_MIC_DIV_CLK] = &codec_i2s_mic_div_clk.clkr,
> + [CODEC_I2S_MIC_BIT_DIV_CLK] = &codec_i2s_mic_bit_div_clk.clkr,
> + [CODEC_I2S_MIC_BIT_CLK] = &codec_i2s_mic_bit_clk.clkr,
> + [SPARE_I2S_MIC_OSR_SRC] = &spare_i2s_mic_osr_src.clkr,
> + [SPARE_I2S_MIC_OSR_CLK] = &spare_i2s_mic_osr_clk.clkr,
> + [SPARE_I2S_MIC_DIV_CLK] = &spare_i2s_mic_div_clk.clkr,
> + [SPARE_I2S_MIC_BIT_DIV_CLK] = &spare_i2s_mic_bit_div_clk.clkr,
> + [SPARE_I2S_MIC_BIT_CLK] = &spare_i2s_mic_bit_clk.clkr,
> + [CODEC_I2S_SPKR_OSR_SRC] = &codec_i2s_spkr_osr_src.clkr,
> + [CODEC_I2S_SPKR_OSR_CLK] = &codec_i2s_spkr_osr_clk.clkr,
> + [CODEC_I2S_SPKR_DIV_CLK] = &codec_i2s_spkr_div_clk.clkr,
> + [CODEC_I2S_SPKR_BIT_DIV_CLK] = &codec_i2s_spkr_bit_div_clk.clkr,
> + [CODEC_I2S_SPKR_BIT_CLK] = &codec_i2s_spkr_bit_clk.clkr,
> + [SPARE_I2S_SPKR_OSR_SRC] = &spare_i2s_spkr_osr_src.clkr,
> + [SPARE_I2S_SPKR_OSR_CLK] = &spare_i2s_spkr_osr_clk.clkr,
> + [SPARE_I2S_SPKR_DIV_CLK] = &spare_i2s_spkr_div_clk.clkr,
> + [SPARE_I2S_SPKR_BIT_DIV_CLK] = &spare_i2s_spkr_bit_div_clk.clkr,
> + [SPARE_I2S_SPKR_BIT_CLK] = &spare_i2s_spkr_bit_clk.clkr,
> +};
> +
> +static const struct regmap_config lcc_msm8960_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> + .max_register = 0xfc,
> + .fast_io = true,
> +};
> +
> +static const struct qcom_cc_desc lcc_msm8960_desc = {
> + .config = &lcc_msm8960_regmap_config,
> + .clks = lcc_msm8960_clks,
> + .num_clks = ARRAY_SIZE(lcc_msm8960_clks),
> +};
> +
> +static const struct of_device_id lcc_msm8960_match_table[] = {
> + { .compatible = "qcom,lcc-msm8960" },
> + { .compatible = "qcom,lcc-apq8064" },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, lcc_msm8960_match_table);
> +
> +static int lcc_msm8960_probe(struct platform_device *pdev)
> +{
> + u32 val;
> + struct regmap *regmap;
> +
> + regmap = qcom_cc_map(pdev, &lcc_msm8960_desc);
> + if (IS_ERR(regmap))
> + return PTR_ERR(regmap);
> +
> + /* Use the correct frequency plan depending on speed of PLL4 */
> + val = regmap_read(regmap, 0x4, &val);
> + if (val == 0x12) {
> + slimbus_src.freq_tbl = clk_tbl_aif_osr_492;
> + mi2s_osr_src.freq_tbl = clk_tbl_aif_osr_492;
> + codec_i2s_mic_osr_src.freq_tbl = clk_tbl_aif_osr_492;
> + spare_i2s_mic_osr_src.freq_tbl = clk_tbl_aif_osr_492;
> + codec_i2s_spkr_osr_src.freq_tbl = clk_tbl_aif_osr_492;
> + spare_i2s_spkr_osr_src.freq_tbl = clk_tbl_aif_osr_492;
> + pcm_src.freq_tbl = clk_tbl_pcm_492;
> + }
> + /* Enable PLL4 source on the LPASS Primary PLL Mux */
> + regmap_write(regmap, 0xc4, 0x1);
> +
> + return qcom_cc_really_probe(pdev, &lcc_msm8960_desc, regmap);
> +}
> +
> +static int lcc_msm8960_remove(struct platform_device *pdev)
> +{
> + qcom_cc_remove(pdev);
> + return 0;
> +}
> +
> +static struct platform_driver lcc_msm8960_driver = {
> + .probe = lcc_msm8960_probe,
> + .remove = lcc_msm8960_remove,
> + .driver = {
> + .name = "lcc-msm8960",
> + .owner = THIS_MODULE,
> + .of_match_table = lcc_msm8960_match_table,
> + },
> +};
> +module_platform_driver(lcc_msm8960_driver);
> +
> +MODULE_DESCRIPTION("QCOM LCC MSM8960 Driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:lcc-msm8960");
> diff --git a/include/dt-bindings/clock/qcom,lcc-msm8960.h b/include/dt-bindings/clock/qcom,lcc-msm8960.h
> new file mode 100644
> index 000000000000..4fb2aa64d9fe
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,lcc-msm8960.h
> @@ -0,0 +1,50 @@
> +/*
> + * Copyright (c) 2014, The Linux Foundation. All rights reserved.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_LCC_MSM8960_H
> +#define _DT_BINDINGS_CLK_LCC_MSM8960_H
> +
> +#define PLL4 0
> +#define MI2S_OSR_SRC 1
> +#define MI2S_OSR_CLK 2
> +#define MI2S_DIV_CLK 3
> +#define MI2S_BIT_DIV_CLK 4
> +#define MI2S_BIT_CLK 5
> +#define PCM_SRC 6
> +#define PCM_CLK_OUT 7
> +#define PCM_CLK 8
> +#define SLIMBUS_SRC 9
> +#define AUDIO_SLIMBUS_CLK 10
> +#define SPS_SLIMBUS_CLK 11
> +#define CODEC_I2S_MIC_OSR_SRC 12
> +#define CODEC_I2S_MIC_OSR_CLK 13
> +#define CODEC_I2S_MIC_DIV_CLK 14
> +#define CODEC_I2S_MIC_BIT_DIV_CLK 15
> +#define CODEC_I2S_MIC_BIT_CLK 16
> +#define SPARE_I2S_MIC_OSR_SRC 17
> +#define SPARE_I2S_MIC_OSR_CLK 18
> +#define SPARE_I2S_MIC_DIV_CLK 19
> +#define SPARE_I2S_MIC_BIT_DIV_CLK 20
> +#define SPARE_I2S_MIC_BIT_CLK 21
> +#define CODEC_I2S_SPKR_OSR_SRC 22
> +#define CODEC_I2S_SPKR_OSR_CLK 23
> +#define CODEC_I2S_SPKR_DIV_CLK 24
> +#define CODEC_I2S_SPKR_BIT_DIV_CLK 25
> +#define CODEC_I2S_SPKR_BIT_CLK 26
> +#define SPARE_I2S_SPKR_OSR_SRC 27
> +#define SPARE_I2S_SPKR_OSR_CLK 28
> +#define SPARE_I2S_SPKR_DIV_CLK 29
> +#define SPARE_I2S_SPKR_BIT_DIV_CLK 30
> +#define SPARE_I2S_SPKR_BIT_CLK 31
> +
> +#endif
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
More information about the linux-arm-kernel
mailing list