1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2023 MediaTek Inc.
4 * Author: Sam Shih <sam.shih@mediatek.com>
5 * Author: Xiufeng Li <Xiufeng.Li@mediatek.com>
8 #include <linux/clk-provider.h>
10 #include <linux/of_address.h>
11 #include <linux/of_device.h>
12 #include <linux/platform_device.h>
16 #include <dt-bindings/clock/mediatek,mt7988-clk.h>
17 #include <dt-bindings/reset/mediatek,mt7988-resets.h>
19 #define MT7988_INFRA_RST0_SET_OFFSET 0x70
20 #define MT7988_INFRA_RST1_SET_OFFSET 0x80
22 static DEFINE_SPINLOCK(mt7988_clk_lock
);
24 static const char *const infra_mux_uart0_parents
[] __initconst
= { "csw_infra_f26m_sel",
27 static const char *const infra_mux_uart1_parents
[] __initconst
= { "csw_infra_f26m_sel",
30 static const char *const infra_mux_uart2_parents
[] __initconst
= { "csw_infra_f26m_sel",
33 static const char *const infra_mux_spi0_parents
[] __initconst
= { "i2c_sel", "spi_sel" };
35 static const char *const infra_mux_spi1_parents
[] __initconst
= { "i2c_sel", "spim_mst_sel" };
37 static const char *const infra_pwm_bck_parents
[] __initconst
= { "top_rtc_32p7k",
38 "csw_infra_f26m_sel", "sysaxi_sel",
41 static const char *const infra_pcie_gfmux_tl_ck_o_p0_parents
[] __initconst
= {
42 "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_sel"
45 static const char *const infra_pcie_gfmux_tl_ck_o_p1_parents
[] __initconst
= {
46 "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p1_sel"
49 static const char *const infra_pcie_gfmux_tl_ck_o_p2_parents
[] __initconst
= {
50 "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p2_sel"
53 static const char *const infra_pcie_gfmux_tl_ck_o_p3_parents
[] __initconst
= {
54 "top_rtc_32p7k", "csw_infra_f26m_sel", "csw_infra_f26m_sel", "pextp_tl_p3_sel"
57 static const struct mtk_mux infra_muxes
[] = {
58 /* MODULE_CLK_SEL_0 */
59 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART0_SEL
, "infra_mux_uart0_sel",
60 infra_mux_uart0_parents
, 0x0018, 0x0010, 0x0014, 0, 1, -1, -1, -1),
61 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART1_SEL
, "infra_mux_uart1_sel",
62 infra_mux_uart1_parents
, 0x0018, 0x0010, 0x0014, 1, 1, -1, -1, -1),
63 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_UART2_SEL
, "infra_mux_uart2_sel",
64 infra_mux_uart2_parents
, 0x0018, 0x0010, 0x0014, 2, 1, -1, -1, -1),
65 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI0_SEL
, "infra_mux_spi0_sel", infra_mux_spi0_parents
,
66 0x0018, 0x0010, 0x0014, 4, 1, -1, -1, -1),
67 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI1_SEL
, "infra_mux_spi1_sel", infra_mux_spi1_parents
,
68 0x0018, 0x0010, 0x0014, 5, 1, -1, -1, -1),
69 MUX_GATE_CLR_SET_UPD(CLK_INFRA_MUX_SPI2_SEL
, "infra_mux_spi2_sel", infra_mux_spi0_parents
,
70 0x0018, 0x0010, 0x0014, 6, 1, -1, -1, -1),
71 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_SEL
, "infra_pwm_sel", infra_pwm_bck_parents
, 0x0018,
72 0x0010, 0x0014, 14, 2, -1, -1, -1),
73 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK1_SEL
, "infra_pwm_ck1_sel", infra_pwm_bck_parents
,
74 0x0018, 0x0010, 0x0014, 16, 2, -1, -1, -1),
75 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK2_SEL
, "infra_pwm_ck2_sel", infra_pwm_bck_parents
,
76 0x0018, 0x0010, 0x0014, 18, 2, -1, -1, -1),
77 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK3_SEL
, "infra_pwm_ck3_sel", infra_pwm_bck_parents
,
78 0x0018, 0x0010, 0x0014, 20, 2, -1, -1, -1),
79 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK4_SEL
, "infra_pwm_ck4_sel", infra_pwm_bck_parents
,
80 0x0018, 0x0010, 0x0014, 22, 2, -1, -1, -1),
81 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK5_SEL
, "infra_pwm_ck5_sel", infra_pwm_bck_parents
,
82 0x0018, 0x0010, 0x0014, 24, 2, -1, -1, -1),
83 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK6_SEL
, "infra_pwm_ck6_sel", infra_pwm_bck_parents
,
84 0x0018, 0x0010, 0x0014, 26, 2, -1, -1, -1),
85 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK7_SEL
, "infra_pwm_ck7_sel", infra_pwm_bck_parents
,
86 0x0018, 0x0010, 0x0014, 28, 2, -1, -1, -1),
87 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_CK8_SEL
, "infra_pwm_ck8_sel", infra_pwm_bck_parents
,
88 0x0018, 0x0010, 0x0014, 30, 2, -1, -1, -1),
89 /* MODULE_CLK_SEL_1 */
90 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P0_SEL
, "infra_pcie_gfmux_tl_o_p0_sel",
91 infra_pcie_gfmux_tl_ck_o_p0_parents
, 0x0028, 0x0020, 0x0024, 0, 2, -1,
93 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P1_SEL
, "infra_pcie_gfmux_tl_o_p1_sel",
94 infra_pcie_gfmux_tl_ck_o_p1_parents
, 0x0028, 0x0020, 0x0024, 2, 2, -1,
96 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P2_SEL
, "infra_pcie_gfmux_tl_o_p2_sel",
97 infra_pcie_gfmux_tl_ck_o_p2_parents
, 0x0028, 0x0020, 0x0024, 4, 2, -1,
99 MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_GFMUX_TL_O_P3_SEL
, "infra_pcie_gfmux_tl_o_p3_sel",
100 infra_pcie_gfmux_tl_ck_o_p3_parents
, 0x0028, 0x0020, 0x0024, 6, 2, -1,
104 static const struct mtk_gate_regs infra0_cg_regs
= {
110 static const struct mtk_gate_regs infra1_cg_regs
= {
116 static const struct mtk_gate_regs infra2_cg_regs
= {
122 static const struct mtk_gate_regs infra3_cg_regs
= {
128 #define GATE_INFRA0_FLAGS(_id, _name, _parent, _shift, _flags) \
129 GATE_MTK_FLAGS(_id, _name, _parent, &infra0_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \
132 #define GATE_INFRA1_FLAGS(_id, _name, _parent, _shift, _flags) \
133 GATE_MTK_FLAGS(_id, _name, _parent, &infra1_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \
136 #define GATE_INFRA2_FLAGS(_id, _name, _parent, _shift, _flags) \
137 GATE_MTK_FLAGS(_id, _name, _parent, &infra2_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \
140 #define GATE_INFRA3_FLAGS(_id, _name, _parent, _shift, _flags) \
141 GATE_MTK_FLAGS(_id, _name, _parent, &infra3_cg_regs, _shift, &mtk_clk_gate_ops_setclr, \
144 #define GATE_INFRA0(_id, _name, _parent, _shift) GATE_INFRA0_FLAGS(_id, _name, _parent, _shift, 0)
146 #define GATE_INFRA1(_id, _name, _parent, _shift) GATE_INFRA1_FLAGS(_id, _name, _parent, _shift, 0)
148 #define GATE_INFRA2(_id, _name, _parent, _shift) GATE_INFRA2_FLAGS(_id, _name, _parent, _shift, 0)
150 #define GATE_INFRA3(_id, _name, _parent, _shift) GATE_INFRA3_FLAGS(_id, _name, _parent, _shift, 0)
152 static const struct mtk_gate infra_clks
[] = {
154 GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P0
, "infra_pcie_peri_ck_26m_ck_p0",
155 "csw_infra_f26m_sel", 7),
156 GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P1
, "infra_pcie_peri_ck_26m_ck_p1",
157 "csw_infra_f26m_sel", 8),
158 GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P2
, "infra_pcie_peri_ck_26m_ck_p2",
159 "infra_pcie_peri_ck_26m_ck_p3", 9),
160 GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P3
, "infra_pcie_peri_ck_26m_ck_p3",
161 "csw_infra_f26m_sel", 10),
163 GATE_INFRA1(CLK_INFRA_66M_GPT_BCK
, "infra_hf_66m_gpt_bck", "sysaxi_sel", 0),
164 GATE_INFRA1(CLK_INFRA_66M_PWM_HCK
, "infra_hf_66m_pwm_hck", "sysaxi_sel", 1),
165 GATE_INFRA1(CLK_INFRA_66M_PWM_BCK
, "infra_hf_66m_pwm_bck", "infra_pwm_sel", 2),
166 GATE_INFRA1(CLK_INFRA_66M_PWM_CK1
, "infra_hf_66m_pwm_ck1", "infra_pwm_ck1_sel", 3),
167 GATE_INFRA1(CLK_INFRA_66M_PWM_CK2
, "infra_hf_66m_pwm_ck2", "infra_pwm_ck2_sel", 4),
168 GATE_INFRA1(CLK_INFRA_66M_PWM_CK3
, "infra_hf_66m_pwm_ck3", "infra_pwm_ck3_sel", 5),
169 GATE_INFRA1(CLK_INFRA_66M_PWM_CK4
, "infra_hf_66m_pwm_ck4", "infra_pwm_ck4_sel", 6),
170 GATE_INFRA1(CLK_INFRA_66M_PWM_CK5
, "infra_hf_66m_pwm_ck5", "infra_pwm_ck5_sel", 7),
171 GATE_INFRA1(CLK_INFRA_66M_PWM_CK6
, "infra_hf_66m_pwm_ck6", "infra_pwm_ck6_sel", 8),
172 GATE_INFRA1(CLK_INFRA_66M_PWM_CK7
, "infra_hf_66m_pwm_ck7", "infra_pwm_ck7_sel", 9),
173 GATE_INFRA1(CLK_INFRA_66M_PWM_CK8
, "infra_hf_66m_pwm_ck8", "infra_pwm_ck8_sel", 10),
174 GATE_INFRA1(CLK_INFRA_133M_CQDMA_BCK
, "infra_hf_133m_cqdma_bck", "sysaxi_sel", 12),
175 GATE_INFRA1(CLK_INFRA_66M_AUD_SLV_BCK
, "infra_66m_aud_slv_bck", "sysaxi_sel", 13),
176 GATE_INFRA1(CLK_INFRA_AUD_26M
, "infra_f_faud_26m", "csw_infra_f26m_sel", 14),
177 GATE_INFRA1(CLK_INFRA_AUD_L
, "infra_f_faud_l", "aud_l_sel", 15),
178 GATE_INFRA1(CLK_INFRA_AUD_AUD
, "infra_f_aud_aud", "a1sys_sel", 16),
179 GATE_INFRA1(CLK_INFRA_AUD_EG2
, "infra_f_faud_eg2", "a_tuner_sel", 18),
180 GATE_INFRA1_FLAGS(CLK_INFRA_DRAMC_F26M
, "infra_dramc_f26m", "csw_infra_f26m_sel", 19,
183 GATE_INFRA1_FLAGS(CLK_INFRA_133M_DBG_ACKM
, "infra_hf_133m_dbg_ackm", "sysaxi_sel", 20,
185 GATE_INFRA1(CLK_INFRA_66M_AP_DMA_BCK
, "infra_66m_ap_dma_bck", "sysaxi_sel", 21),
186 GATE_INFRA1(CLK_INFRA_66M_SEJ_BCK
, "infra_hf_66m_sej_bck", "sysaxi_sel", 29),
187 GATE_INFRA1(CLK_INFRA_PRE_CK_SEJ_F13M
, "infra_pre_ck_sej_f13m", "csw_infra_f26m_sel", 30),
189 GATE_INFRA2(CLK_INFRA_26M_THERM_SYSTEM
, "infra_hf_26m_therm_system", "csw_infra_f26m_sel",
191 GATE_INFRA2(CLK_INFRA_I2C_BCK
, "infra_i2c_bck", "i2c_sel", 1),
192 GATE_INFRA2(CLK_INFRA_52M_UART0_CK
, "infra_f_52m_uart0", "infra_mux_uart0_sel", 3),
193 GATE_INFRA2(CLK_INFRA_52M_UART1_CK
, "infra_f_52m_uart1", "infra_mux_uart1_sel", 4),
194 GATE_INFRA2(CLK_INFRA_52M_UART2_CK
, "infra_f_52m_uart2", "infra_mux_uart2_sel", 5),
195 GATE_INFRA2(CLK_INFRA_NFI
, "infra_f_fnfi", "nfi1x_sel", 9),
196 GATE_INFRA2(CLK_INFRA_SPINFI
, "infra_f_fspinfi", "spinfi_sel", 10),
197 GATE_INFRA2_FLAGS(CLK_INFRA_66M_NFI_HCK
, "infra_hf_66m_nfi_hck", "sysaxi_sel", 11,
199 GATE_INFRA2_FLAGS(CLK_INFRA_104M_SPI0
, "infra_hf_104m_spi0", "infra_mux_spi0_sel", 12,
201 GATE_INFRA2(CLK_INFRA_104M_SPI1
, "infra_hf_104m_spi1", "infra_mux_spi1_sel", 13),
202 GATE_INFRA2(CLK_INFRA_104M_SPI2_BCK
, "infra_hf_104m_spi2_bck", "infra_mux_spi2_sel", 14),
203 GATE_INFRA2_FLAGS(CLK_INFRA_66M_SPI0_HCK
, "infra_hf_66m_spi0_hck", "sysaxi_sel", 15,
205 GATE_INFRA2(CLK_INFRA_66M_SPI1_HCK
, "infra_hf_66m_spi1_hck", "sysaxi_sel", 16),
206 GATE_INFRA2(CLK_INFRA_66M_SPI2_HCK
, "infra_hf_66m_spi2_hck", "sysaxi_sel", 17),
207 GATE_INFRA2(CLK_INFRA_66M_FLASHIF_AXI
, "infra_hf_66m_flashif_axi", "sysaxi_sel", 18),
208 GATE_INFRA2_FLAGS(CLK_INFRA_RTC
, "infra_f_frtc", "top_rtc_32k", 19, CLK_IS_CRITICAL
),
209 GATE_INFRA2(CLK_INFRA_26M_ADC_BCK
, "infra_f_26m_adc_bck", "csw_infra_f26m_sel", 20),
210 GATE_INFRA2(CLK_INFRA_RC_ADC
, "infra_f_frc_adc", "infra_f_26m_adc_bck", 21),
211 GATE_INFRA2(CLK_INFRA_MSDC400
, "infra_f_fmsdc400", "emmc_400m_sel", 22),
212 GATE_INFRA2(CLK_INFRA_MSDC2_HCK
, "infra_f_fmsdc2_hck", "emmc_250m_sel", 23),
213 GATE_INFRA2(CLK_INFRA_133M_MSDC_0_HCK
, "infra_hf_133m_msdc_0_hck", "sysaxi_sel", 24),
214 GATE_INFRA2(CLK_INFRA_66M_MSDC_0_HCK
, "infra_66m_msdc_0_hck", "sysaxi_sel", 25),
215 GATE_INFRA2(CLK_INFRA_133M_CPUM_BCK
, "infra_hf_133m_cpum_bck", "sysaxi_sel", 26),
216 GATE_INFRA2(CLK_INFRA_BIST2FPC
, "infra_hf_fbist2fpc", "nfi1x_sel", 27),
217 GATE_INFRA2(CLK_INFRA_I2C_X16W_MCK_CK_P1
, "infra_hf_i2c_x16w_mck_ck_p1", "sysaxi_sel", 29),
218 GATE_INFRA2(CLK_INFRA_I2C_X16W_PCK_CK_P1
, "infra_hf_i2c_x16w_pck_ck_p1", "sysaxi_sel", 31),
220 GATE_INFRA3(CLK_INFRA_133M_USB_HCK
, "infra_133m_usb_hck", "sysaxi_sel", 0),
221 GATE_INFRA3(CLK_INFRA_133M_USB_HCK_CK_P1
, "infra_133m_usb_hck_ck_p1", "sysaxi_sel", 1),
222 GATE_INFRA3(CLK_INFRA_66M_USB_HCK
, "infra_66m_usb_hck", "sysaxi_sel", 2),
223 GATE_INFRA3(CLK_INFRA_66M_USB_HCK_CK_P1
, "infra_66m_usb_hck_ck_p1", "sysaxi_sel", 3),
224 GATE_INFRA3(CLK_INFRA_USB_SYS
, "infra_usb_sys", "usb_sys_sel", 4),
225 GATE_INFRA3(CLK_INFRA_USB_SYS_CK_P1
, "infra_usb_sys_ck_p1", "usb_sys_p1_sel", 5),
226 GATE_INFRA3(CLK_INFRA_USB_REF
, "infra_usb_ref", "top_xtal", 6),
227 GATE_INFRA3(CLK_INFRA_USB_CK_P1
, "infra_usb_ck_p1", "top_xtal", 7),
228 GATE_INFRA3_FLAGS(CLK_INFRA_USB_FRMCNT
, "infra_usb_frmcnt", "usb_frmcnt_sel", 8,
230 GATE_INFRA3_FLAGS(CLK_INFRA_USB_FRMCNT_CK_P1
, "infra_usb_frmcnt_ck_p1", "usb_frmcnt_p1_sel",
232 GATE_INFRA3(CLK_INFRA_USB_PIPE
, "infra_usb_pipe", "sspxtp_sel", 10),
233 GATE_INFRA3(CLK_INFRA_USB_PIPE_CK_P1
, "infra_usb_pipe_ck_p1", "usb_phy_sel", 11),
234 GATE_INFRA3(CLK_INFRA_USB_UTMI
, "infra_usb_utmi", "top_xtal", 12),
235 GATE_INFRA3(CLK_INFRA_USB_UTMI_CK_P1
, "infra_usb_utmi_ck_p1", "top_xtal", 13),
236 GATE_INFRA3(CLK_INFRA_USB_XHCI
, "infra_usb_xhci", "usb_xhci_sel", 14),
237 GATE_INFRA3(CLK_INFRA_USB_XHCI_CK_P1
, "infra_usb_xhci_ck_p1", "usb_xhci_p1_sel", 15),
238 GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P0
, "infra_pcie_gfmux_tl_ck_p0",
239 "infra_pcie_gfmux_tl_o_p0_sel", 20),
240 GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P1
, "infra_pcie_gfmux_tl_ck_p1",
241 "infra_pcie_gfmux_tl_o_p1_sel", 21),
242 GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P2
, "infra_pcie_gfmux_tl_ck_p2",
243 "infra_pcie_gfmux_tl_o_p2_sel", 22),
244 GATE_INFRA3(CLK_INFRA_PCIE_GFMUX_TL_P3
, "infra_pcie_gfmux_tl_ck_p3",
245 "infra_pcie_gfmux_tl_o_p3_sel", 23),
246 GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P0
, "infra_pcie_pipe_ck_p0", "top_xtal", 24),
247 GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P1
, "infra_pcie_pipe_ck_p1", "top_xtal", 25),
248 GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P2
, "infra_pcie_pipe_ck_p2", "top_xtal", 26),
249 GATE_INFRA3(CLK_INFRA_PCIE_PIPE_P3
, "infra_pcie_pipe_ck_p3", "top_xtal", 27),
250 GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P0
, "infra_133m_pcie_ck_p0", "sysaxi_sel", 28),
251 GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P1
, "infra_133m_pcie_ck_p1", "sysaxi_sel", 29),
252 GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P2
, "infra_133m_pcie_ck_p2", "sysaxi_sel", 30),
253 GATE_INFRA3(CLK_INFRA_133M_PCIE_CK_P3
, "infra_133m_pcie_ck_p3", "sysaxi_sel", 31),
256 static u16 infra_rst_ofs
[] = {
257 MT7988_INFRA_RST0_SET_OFFSET
,
258 MT7988_INFRA_RST1_SET_OFFSET
,
261 static u16 infra_idx_map
[] = {
262 [MT7988_INFRA_RST0_PEXTP_MAC_SWRST
] = 0 * RST_NR_PER_BANK
+ 6,
263 [MT7988_INFRA_RST1_THERM_CTRL_SWRST
] = 1 * RST_NR_PER_BANK
+ 9,
266 static struct mtk_clk_rst_desc infra_rst_desc
= {
267 .version
= MTK_RST_SET_CLR
,
268 .rst_bank_ofs
= infra_rst_ofs
,
269 .rst_bank_nr
= ARRAY_SIZE(infra_rst_ofs
),
270 .rst_idx_map
= infra_idx_map
,
271 .rst_idx_map_nr
= ARRAY_SIZE(infra_idx_map
),
274 static const struct mtk_clk_desc infra_desc
= {
276 .num_clks
= ARRAY_SIZE(infra_clks
),
277 .mux_clks
= infra_muxes
,
278 .num_mux_clks
= ARRAY_SIZE(infra_muxes
),
279 .clk_lock
= &mt7988_clk_lock
,
280 .rst_desc
= &infra_rst_desc
,
283 static const struct of_device_id of_match_clk_mt7988_infracfg
[] = {
284 { .compatible
= "mediatek,mt7988-infracfg", .data
= &infra_desc
},
287 MODULE_DEVICE_TABLE(of
, of_match_clk_mt7988_infracfg
);
289 static struct platform_driver clk_mt7988_infracfg_drv
= {
291 .name
= "clk-mt7988-infracfg",
292 .of_match_table
= of_match_clk_mt7988_infracfg
,
294 .probe
= mtk_clk_simple_probe
,
295 .remove
= mtk_clk_simple_remove
,
297 module_platform_driver(clk_mt7988_infracfg_drv
);
299 MODULE_DESCRIPTION("MediaTek MT7988 infracfg clocks driver");
300 MODULE_LICENSE("GPL");