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/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <assert.h>
#include <reg.h>
#include <err.h>
#include <clock.h>
#include <clock_pll.h>
#include <clock_lib2.h>
#include <platform/clock.h>
#include <platform/iomap.h>
/* Mux source select values */
#define cxo_source_val 0
#define gpll0_source_val 1
#define usb30_pipe_source_val 2
struct clk_freq_tbl rcg_dummy_freq = F_END;
/* Clock Operations */
static struct clk_ops clk_ops_reset =
{
.reset = clock_lib2_reset_clk_reset,
};
static struct clk_ops clk_ops_branch =
{
.enable = clock_lib2_branch_clk_enable,
.disable = clock_lib2_branch_clk_disable,
.set_rate = clock_lib2_branch_set_rate,
.reset = clock_lib2_branch_clk_reset,
};
static struct clk_ops clk_ops_rcg_mnd =
{
.enable = clock_lib2_rcg_enable,
.set_rate = clock_lib2_rcg_set_rate,
};
static struct clk_ops clk_ops_rcg =
{
.enable = clock_lib2_rcg_enable,
.set_rate = clock_lib2_rcg_set_rate,
};
static struct clk_ops clk_ops_cxo =
{
.enable = cxo_clk_enable,
.disable = cxo_clk_disable,
};
static struct clk_ops clk_ops_pll_vote =
{
.enable = pll_vote_clk_enable,
.disable = pll_vote_clk_disable,
.auto_off = pll_vote_clk_disable,
.is_enabled = pll_vote_clk_is_enabled,
};
static struct clk_ops clk_ops_vote =
{
.enable = clock_lib2_vote_clk_enable,
.disable = clock_lib2_vote_clk_disable,
};
/* Clock Sources */
static struct fixed_clk cxo_clk_src =
{
.c = {
.rate = 19200000,
.dbg_name = "cxo_clk_src",
.ops = &clk_ops_cxo,
},
};
static struct pll_vote_clk gpll0_clk_src =
{
.en_reg = (void *) APCS_GPLL_ENA_VOTE,
.en_mask = BIT(0),
.status_reg = (void *) GPLL0_STATUS,
.status_mask = BIT(30),
.parent = &cxo_clk_src.c,
.c = {
.rate = 800000000,
.dbg_name = "gpll0_clk_src",
.ops = &clk_ops_pll_vote,
},
};
/* SDCC Clocks */
static struct clk_freq_tbl ftbl_gcc_sdcc1_2_apps_clk[] =
{
F( 144000, cxo, 16, 3, 25),
F( 400000, cxo, 12, 1, 4),
F( 20000000, gpll0, 15, 1, 2),
F( 25000000, gpll0, 12, 1, 2),
F( 50000000, gpll0, 12, 0, 0),
F(100000000, gpll0, 6, 0, 0),
F(200000000, gpll0, 3, 0, 0),
F_END
};
static struct rcg_clk sdcc1_apps_clk_src =
{
.cmd_reg = (uint32_t *) SDCC1_CMD_RCGR,
.cfg_reg = (uint32_t *) SDCC1_CFG_RCGR,
.m_reg = (uint32_t *) SDCC1_M,
.n_reg = (uint32_t *) SDCC1_N,
.d_reg = (uint32_t *) SDCC1_D,
.set_rate = clock_lib2_rcg_set_rate_mnd,
.freq_tbl = ftbl_gcc_sdcc1_2_apps_clk,
.current_freq = &rcg_dummy_freq,
.c = {
.dbg_name = "sdc1_clk",
.ops = &clk_ops_rcg_mnd,
},
};
static struct branch_clk gcc_sdcc1_apps_clk =
{
.cbcr_reg = (uint32_t *) SDCC1_APPS_CBCR,
.parent = &sdcc1_apps_clk_src.c,
.c = {
.dbg_name = "gcc_sdcc1_apps_clk",
.ops = &clk_ops_branch,
},
};
static struct branch_clk gcc_sdcc1_ahb_clk =
{
.cbcr_reg = (uint32_t *) SDCC1_AHB_CBCR,
.has_sibling = 1,
.c = {
.dbg_name = "gcc_sdcc1_ahb_clk",
.ops = &clk_ops_branch,
},
};
/* UART Clocks */
static struct clk_freq_tbl ftbl_gcc_blsp1_2_uart1_6_apps_clk[] =
{
F( 3686400, gpll0, 1, 96, 15625),
F( 7372800, gpll0, 1, 192, 15625),
F(14745600, gpll0, 1, 384, 15625),
F(16000000, gpll0, 5, 2, 15),
F(19200000, cxo, 1, 0, 0),
F(24000000, gpll0, 5, 1, 5),
F(32000000, gpll0, 1, 4, 75),
F(40000000, gpll0, 15, 0, 0),
F(46400000, gpll0, 1, 29, 375),
F(48000000, gpll0, 12.5, 0, 0),
F(51200000, gpll0, 1, 32, 375),
F(56000000, gpll0, 1, 7, 75),
F(58982400, gpll0, 1, 1536, 15625),
F(60000000, gpll0, 10, 0, 0),
F(63160000, gpll0, 9.5, 0, 0),
F_END
};
static struct rcg_clk blsp1_uart3_apps_clk_src =
{
.cmd_reg = (uint32_t *) BLSP1_UART3_APPS_CMD_RCGR,
.cfg_reg = (uint32_t *) BLSP1_UART3_APPS_CFG_RCGR,
.m_reg = (uint32_t *) BLSP1_UART3_APPS_M,
.n_reg = (uint32_t *) BLSP1_UART3_APPS_N,
.d_reg = (uint32_t *) BLSP1_UART3_APPS_D,
.set_rate = clock_lib2_rcg_set_rate_mnd,
.freq_tbl = ftbl_gcc_blsp1_2_uart1_6_apps_clk,
.current_freq = &rcg_dummy_freq,
.c = {
.dbg_name = "blsp1_uart3_apps_clk",
.ops = &clk_ops_rcg_mnd,
},
};
static struct branch_clk gcc_blsp1_uart3_apps_clk =
{
.cbcr_reg = (uint32_t *) BLSP1_UART3_APPS_CBCR,
.parent = &blsp1_uart3_apps_clk_src.c,
.c = {
.dbg_name = "gcc_blsp1_uart3_apps_clk",
.ops = &clk_ops_branch,
},
};
static struct vote_clk gcc_blsp1_ahb_clk = {
.cbcr_reg = (uint32_t *) BLSP1_AHB_CBCR,
.vote_reg = (uint32_t *) APCS_CLOCK_BRANCH_ENA_VOTE,
.en_mask = BIT(10),
.c = {
.dbg_name = "gcc_blsp1_ahb_clk",
.ops = &clk_ops_vote,
},
};
/* USB Clocks */
static struct branch_clk gcc_sys_noc_usb30_axi_clk =
{
.cbcr_reg = (uint32_t *) SYS_NOC_USB3_AXI_CBCR,
.has_sibling = 1,
.c = {
.dbg_name = "gcc_sys_noc_usb3_axi_clk",
.ops = &clk_ops_branch,
},
};
static struct branch_clk gcc_usb_phy_cfg_ahb_clk = {
.cbcr_reg = (uint32_t *) USB_PHY_CFG_AHB_CBCR,
.has_sibling = 1,
.c = {
.dbg_name = "gcc_usb_phy_cfg_ahb_clk",
.ops = &clk_ops_branch,
},
};
static struct clk_freq_tbl ftbl_gcc_usb30_master_clk[] =
{
F(125000000, gpll0, 1, 5, 24),
F_END
};
static struct rcg_clk usb30_master_clk_src =
{
.cmd_reg = (uint32_t *) GCC_USB30_MASTER_CMD_RCGR,
.cfg_reg = (uint32_t *) GCC_USB30_MASTER_CFG_RCGR,
.m_reg = (uint32_t *) GCC_USB30_MASTER_M,
.n_reg = (uint32_t *) GCC_USB30_MASTER_N,
.d_reg = (uint32_t *) GCC_USB30_MASTER_D,
.set_rate = clock_lib2_rcg_set_rate_mnd,
.freq_tbl = ftbl_gcc_usb30_master_clk,
.current_freq = &rcg_dummy_freq,
.c = {
.dbg_name = "usb30_master_clk_src",
.ops = &clk_ops_rcg,
},
};
static struct branch_clk gcc_usb30_master_clk =
{
.cbcr_reg = (uint32_t *) GCC_USB30_MASTER_CBCR,
.parent = &usb30_master_clk_src.c,
.c = {
.dbg_name = "gcc_usb30_master_clk",
.ops = &clk_ops_branch,
},
};
static struct clk_freq_tbl ftbl_gcc_usb30_pipe_clk[] = {
F( 19200000, cxo, 1, 0, 0),
F_EXT_SRC( 125000000, usb30_pipe, 1, 0, 0),
F_END
};
static struct rcg_clk usb30_pipe_clk_src = {
.cmd_reg = (uint32_t *) USB3_PIPE_CMD_RCGR,
.cfg_reg = (uint32_t *) USB3_PIPE_CFG_RCGR,
.set_rate = clock_lib2_rcg_set_rate_hid,
.freq_tbl = ftbl_gcc_usb30_pipe_clk,
.current_freq = &rcg_dummy_freq,
.c = {
.dbg_name = "usb30_pipe_clk_src",
.ops = &clk_ops_rcg,
},
};
static struct branch_clk gcc_usb30_pipe_clk = {
.cbcr_reg = (uint32_t *) USB3_PIPE_CBCR,
.bcr_reg = (uint32_t *) USB3_PIPE_BCR,
.parent = &usb30_pipe_clk_src.c,
.has_sibling = 0,
.c = {
.dbg_name = "gcc_usb30_pipe_clk",
.ops = &clk_ops_branch,
},
};
static struct clk_freq_tbl ftbl_gcc_usb30_aux_clk[] = {
F( 1000000, cxo, 1, 5, 96),
F_END
};
static struct rcg_clk usb30_aux_clk_src = {
.cmd_reg = (uint32_t *) USB3_AUX_CMD_RCGR,
.cfg_reg = (uint32_t *) USB3_AUX_CFG_RCGR,
.m_reg = (uint32_t *) USB3_AUX_M,
.n_reg = (uint32_t *) USB3_AUX_N,
.d_reg = (uint32_t *) USB3_AUX_D,
.set_rate = clock_lib2_rcg_set_rate_mnd,
.freq_tbl = ftbl_gcc_usb30_aux_clk,
.current_freq = &rcg_dummy_freq,
.c = {
.dbg_name = "usb30_aux_clk_src",
.ops = &clk_ops_rcg_mnd,
},
};
static struct branch_clk gcc_usb30_aux_clk = {
.cbcr_reg = (uint32_t *) USB3_AUX_CBCR,
.parent = &usb30_aux_clk_src.c,
.c = {
.dbg_name = "gcc_usb30_aux_clk",
.ops = &clk_ops_branch,
},
};
static struct reset_clk gcc_usb30_phy_reset = {
.bcr_reg = (uint32_t) USB3_PHY_BCR,
.c = {
.dbg_name = "usb30_phy_reset",
.ops = &clk_ops_reset,
},
};
static struct reset_clk gcc_usb2a_phy_sleep_clk = {
.bcr_reg = (uint32_t) QUSB2A_PHY_BCR,
.c = {
.dbg_name = "usb2b_phy_sleep_clk",
.ops = &clk_ops_reset,
},
};
static struct clk_lookup msm_clocks_9640[] =
{
CLK_LOOKUP("sdc1_iface_clk", gcc_sdcc1_ahb_clk.c),
CLK_LOOKUP("sdc1_core_clk", gcc_sdcc1_apps_clk.c),
CLK_LOOKUP("uart3_iface_clk", gcc_blsp1_ahb_clk.c),
CLK_LOOKUP("uart3_core_clk", gcc_blsp1_uart3_apps_clk.c),
CLK_LOOKUP("usb30_iface_clk", gcc_sys_noc_usb30_axi_clk.c),
CLK_LOOKUP("usb30_master_clk", gcc_usb30_master_clk.c),
CLK_LOOKUP("usb30_pipe_clk", gcc_usb30_pipe_clk.c),
CLK_LOOKUP("usb30_aux_clk", gcc_usb30_aux_clk.c),
CLK_LOOKUP("usb2b_phy_sleep_clk", gcc_usb2a_phy_sleep_clk.c),
CLK_LOOKUP("usb30_phy_reset", gcc_usb30_phy_reset.c),
CLK_LOOKUP("usb_phy_cfg_ahb_clk", gcc_usb_phy_cfg_ahb_clk.c),
};
void platform_clock_init(void)
{
clk_init(msm_clocks_9640, ARRAY_SIZE(msm_clocks_9640));
}