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// SPDX-License-Identifier: GPL-2.0+
/*
* Clock drivers for Qualcomm IPQ40xx
*
* Copyright (c) 2020 Sartura Ltd.
*
* Author: Robert Marko <robert.marko@sartura.hr>
*
*/
#include <clk-uclass.h>
#include <dm.h>
#include <errno.h>
#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
#include "clock-qcom.h"
/* I2C controller clock control registerss */
#define BLSP1_QUP1_I2C_APPS_CBCR (0x2008)
#define BLSP1_QUP1_I2C_APPS_CMD_RCGR (0x200C)
#define BLSP1_QUP2_I2C_APPS_CBCR (0x3010)
#define BLSP1_QUP2_I2C_APPS_CMD_RCGR (0x3000)
static ulong ipq4019_clk_set_rate(struct clk *clk, ulong rate)
{
switch (clk->id) {
case GCC_BLSP1_UART1_APPS_CLK: /*UART1*/
/* This clock is already initialized by SBL1 */
return 1843200;
default:
return -EINVAL;
}
}
static int ipq4019_clk_enable(struct clk *clk)
{
struct msm_clk_priv *priv = dev_get_priv(clk->dev);
switch (clk->id) {
case GCC_BLSP1_AHB_CLK:
/* This clock is already initialized by SBL1 */
return 0;
case GCC_BLSP1_QUP1_I2C_APPS_CLK:
clk_enable_cbc(priv->base + BLSP1_QUP1_I2C_APPS_CBCR);
clk_rcg_set_rate(priv->base, BLSP1_QUP1_I2C_APPS_CMD_RCGR, 0,
CFG_CLK_SRC_CXO);
return 0;
case GCC_BLSP1_QUP2_I2C_APPS_CLK:
clk_enable_cbc(priv->base + BLSP1_QUP2_I2C_APPS_CBCR);
clk_rcg_set_rate(priv->base, BLSP1_QUP2_I2C_APPS_CMD_RCGR, 0,
CFG_CLK_SRC_CXO);
return 0;
case GCC_BLSP1_QUP1_SPI_APPS_CLK: /*SPI1*/
/* This clock is already initialized by SBL1 */
return 0;
case GCC_PRNG_AHB_CLK: /*PRNG*/
/* This clock is already initialized by SBL1 */
return 0;
case GCC_USB3_MASTER_CLK:
case GCC_USB3_SLEEP_CLK:
case GCC_USB3_MOCK_UTMI_CLK:
case GCC_USB2_MASTER_CLK:
case GCC_USB2_SLEEP_CLK:
case GCC_USB2_MOCK_UTMI_CLK:
/* These clocks is already initialized by SBL1 */
return 0;
default:
return -EINVAL;
}
}
static const struct qcom_reset_map gcc_ipq4019_resets[] = {
[WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 },
[WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 },
[WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 },
[WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 },
[WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 },
[WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 },
[WIFI1_CPU_INIT_RESET] = { 0x20008, 5 },
[WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 },
[WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 },
[WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 },
[WIFI1_CORE_WARM_RESET] = { 0x20008, 1 },
[WIFI1_CORE_COLD_RESET] = { 0x20008, 0 },
[USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 },
[USB3_HSPHY_POR_ARES] = { 0x1e038, 4 },
[USB3_HSPHY_S_ARES] = { 0x1e038, 2 },
[USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 },
[USB2_HSPHY_S_ARES] = { 0x1e01c, 2 },
[PCIE_PHY_AHB_ARES] = { 0x1d010, 11 },
[PCIE_AHB_ARES] = { 0x1d010, 10 },
[PCIE_PWR_ARES] = { 0x1d010, 9 },
[PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 },
[PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 },
[PCIE_PHY_ARES] = { 0x1d010, 6 },
[PCIE_PARF_XPU_ARES] = { 0x1d010, 5 },
[PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 },
[PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 },
[PCIE_PIPE_ARES] = { 0x1d010, 2 },
[PCIE_AXI_S_ARES] = { 0x1d010, 1 },
[PCIE_AXI_M_ARES] = { 0x1d010, 0 },
[ESS_RESET] = { 0x12008, 0},
[GCC_BLSP1_BCR] = {0x01000, 0},
[GCC_BLSP1_QUP1_BCR] = {0x02000, 0},
[GCC_BLSP1_UART1_BCR] = {0x02038, 0},
[GCC_BLSP1_QUP2_BCR] = {0x03008, 0},
[GCC_BLSP1_UART2_BCR] = {0x03028, 0},
[GCC_BIMC_BCR] = {0x04000, 0},
[GCC_TLMM_BCR] = {0x05000, 0},
[GCC_IMEM_BCR] = {0x0E000, 0},
[GCC_ESS_BCR] = {0x12008, 0},
[GCC_PRNG_BCR] = {0x13000, 0},
[GCC_BOOT_ROM_BCR] = {0x13008, 0},
[GCC_CRYPTO_BCR] = {0x16000, 0},
[GCC_SDCC1_BCR] = {0x18000, 0},
[GCC_SEC_CTRL_BCR] = {0x1A000, 0},
[GCC_AUDIO_BCR] = {0x1B008, 0},
[GCC_QPIC_BCR] = {0x1C000, 0},
[GCC_PCIE_BCR] = {0x1D000, 0},
[GCC_USB2_BCR] = {0x1E008, 0},
[GCC_USB2_PHY_BCR] = {0x1E018, 0},
[GCC_USB3_BCR] = {0x1E024, 0},
[GCC_USB3_PHY_BCR] = {0x1E034, 0},
[GCC_SYSTEM_NOC_BCR] = {0x21000, 0},
[GCC_PCNOC_BCR] = {0x2102C, 0},
[GCC_DCD_BCR] = {0x21038, 0},
[GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0},
[GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0},
[GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0},
[GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0},
[GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0},
[GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0},
[GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0},
[GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0},
[GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0},
[GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0},
[GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0},
[GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0},
[GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0},
[GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0},
[GCC_TCSR_BCR] = {0x22000, 0},
[GCC_MPM_BCR] = {0x24000, 0},
[GCC_SPDM_BCR] = {0x25000, 0},
};
static struct msm_clk_data ipq4019_clk_data = {
.enable = ipq4019_clk_enable,
.set_rate = ipq4019_clk_set_rate,
.resets = gcc_ipq4019_resets,
.num_resets = ARRAY_SIZE(gcc_ipq4019_resets),
};
static const struct udevice_id gcc_ipq4019_of_match[] = {
{
.compatible = "qcom,gcc-ipq4019",
.data = (ulong)&ipq4019_clk_data,
},
{ }
};
U_BOOT_DRIVER(gcc_ipq4019) = {
.name = "gcc_ipq4019",
.id = UCLASS_NOP,
.of_match = gcc_ipq4019_of_match,
.bind = qcom_cc_bind,
.flags = DM_FLAG_PRE_RELOC,
};
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