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reset: spacemit: Add SpacemiT K3 reset driver
Add support for the SpacemiT K3 SoC reset controller. The K3 reset driver reuses the common reset controller code and provides K3-specific reset data for devices managed by the following units: - MPMU (Main Power Management Unit) - APBC (APB clock unit) - APMU (Application Subsystem Power Management Unit) - DCIU (DMA Control and Interface Unit) Acked-by: Alex Elder <elder@riscstar.com> Signed-off-by: Guodong Xu <guodong@riscstar.com> Reviewed-by: Yixun Lan <dlan@kernel.org> Link: https://lore.kernel.org/spacemit/20260114092742-GYC7933267@gentoo.org/ [1] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Guodong Xu
committed by
Philipp Zabel
Philipp Zabel
parent
aba86f7bff
commit
938ce3b165
@@ -22,4 +22,15 @@ config RESET_SPACEMIT_K1
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unit (CCU) driver to provide reset control functionality
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for various peripherals and subsystems in the SoC.
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config RESET_SPACEMIT_K3
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tristate "Support for SpacemiT K3 SoC"
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depends on SPACEMIT_K3_CCU
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select RESET_SPACEMIT_COMMON
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default SPACEMIT_K3_CCU
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help
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Support for reset controller in SpacemiT K3 SoC.
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This driver works with the SpacemiT K3 clock controller
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unit (CCU) driver to provide reset control functionality
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for various peripherals and subsystems in the SoC.
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endmenu
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@@ -2,3 +2,4 @@
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obj-$(CONFIG_RESET_SPACEMIT_COMMON) += reset-spacemit-common.o
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obj-$(CONFIG_RESET_SPACEMIT_K1) += reset-spacemit-k1.o
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obj-$(CONFIG_RESET_SPACEMIT_K3) += reset-spacemit-k3.o
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@@ -0,0 +1,233 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/* SpacemiT K3 reset controller driver */
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#include <linux/module.h>
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#include <dt-bindings/reset/spacemit,k3-resets.h>
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#include <soc/spacemit/k3-syscon.h>
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#include "reset-spacemit-common.h"
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static const struct ccu_reset_data k3_mpmu_resets[] = {
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[RESET_MPMU_WDT] = RESET_DATA(MPMU_WDTPCR, BIT(2), 0),
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[RESET_MPMU_RIPC] = RESET_DATA(MPMU_RIPCCR, BIT(2), 0),
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};
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static const struct ccu_reset_controller_data k3_mpmu_reset_data = {
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.reset_data = k3_mpmu_resets,
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.count = ARRAY_SIZE(k3_mpmu_resets),
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};
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static const struct ccu_reset_data k3_apbc_resets[] = {
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[RESET_APBC_UART0] = RESET_DATA(APBC_UART0_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART2] = RESET_DATA(APBC_UART2_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART3] = RESET_DATA(APBC_UART3_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART4] = RESET_DATA(APBC_UART4_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART5] = RESET_DATA(APBC_UART5_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART6] = RESET_DATA(APBC_UART6_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART7] = RESET_DATA(APBC_UART7_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART8] = RESET_DATA(APBC_UART8_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART9] = RESET_DATA(APBC_UART9_CLK_RST, BIT(2), 0),
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[RESET_APBC_UART10] = RESET_DATA(APBC_UART10_CLK_RST, BIT(2), 0),
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[RESET_APBC_GPIO] = RESET_DATA(APBC_GPIO_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM0] = RESET_DATA(APBC_PWM0_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM1] = RESET_DATA(APBC_PWM1_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM2] = RESET_DATA(APBC_PWM2_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM3] = RESET_DATA(APBC_PWM3_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM4] = RESET_DATA(APBC_PWM4_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM5] = RESET_DATA(APBC_PWM5_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM6] = RESET_DATA(APBC_PWM6_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM7] = RESET_DATA(APBC_PWM7_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM8] = RESET_DATA(APBC_PWM8_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM9] = RESET_DATA(APBC_PWM9_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM10] = RESET_DATA(APBC_PWM10_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM11] = RESET_DATA(APBC_PWM11_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM12] = RESET_DATA(APBC_PWM12_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM13] = RESET_DATA(APBC_PWM13_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM14] = RESET_DATA(APBC_PWM14_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM15] = RESET_DATA(APBC_PWM15_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM16] = RESET_DATA(APBC_PWM16_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM17] = RESET_DATA(APBC_PWM17_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM18] = RESET_DATA(APBC_PWM18_CLK_RST, BIT(2), 0),
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[RESET_APBC_PWM19] = RESET_DATA(APBC_PWM19_CLK_RST, BIT(2), 0),
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[RESET_APBC_SPI0] = RESET_DATA(APBC_SSP0_CLK_RST, BIT(2), 0),
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[RESET_APBC_SPI1] = RESET_DATA(APBC_SSP1_CLK_RST, BIT(2), 0),
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[RESET_APBC_SPI3] = RESET_DATA(APBC_SSP3_CLK_RST, BIT(2), 0),
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[RESET_APBC_RTC] = RESET_DATA(APBC_RTC_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI0] = RESET_DATA(APBC_TWSI0_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI1] = RESET_DATA(APBC_TWSI1_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI2] = RESET_DATA(APBC_TWSI2_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI4] = RESET_DATA(APBC_TWSI4_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI5] = RESET_DATA(APBC_TWSI5_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI6] = RESET_DATA(APBC_TWSI6_CLK_RST, BIT(2), 0),
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[RESET_APBC_TWSI8] = RESET_DATA(APBC_TWSI8_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS0] = RESET_DATA(APBC_TIMERS0_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS1] = RESET_DATA(APBC_TIMERS1_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS2] = RESET_DATA(APBC_TIMERS2_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS3] = RESET_DATA(APBC_TIMERS3_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS4] = RESET_DATA(APBC_TIMERS4_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS5] = RESET_DATA(APBC_TIMERS5_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS6] = RESET_DATA(APBC_TIMERS6_CLK_RST, BIT(2), 0),
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[RESET_APBC_TIMERS7] = RESET_DATA(APBC_TIMERS7_CLK_RST, BIT(2), 0),
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[RESET_APBC_AIB] = RESET_DATA(APBC_AIB_CLK_RST, BIT(2), 0),
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[RESET_APBC_ONEWIRE] = RESET_DATA(APBC_ONEWIRE_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S0] = RESET_DATA(APBC_SSPA0_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S1] = RESET_DATA(APBC_SSPA1_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S2] = RESET_DATA(APBC_SSPA2_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S3] = RESET_DATA(APBC_SSPA3_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S4] = RESET_DATA(APBC_SSPA4_CLK_RST, BIT(2), 0),
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[RESET_APBC_I2S5] = RESET_DATA(APBC_SSPA5_CLK_RST, BIT(2), 0),
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[RESET_APBC_DRO] = RESET_DATA(APBC_DRO_CLK_RST, BIT(2), 0),
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[RESET_APBC_IR0] = RESET_DATA(APBC_IR0_CLK_RST, BIT(2), 0),
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[RESET_APBC_IR1] = RESET_DATA(APBC_IR1_CLK_RST, BIT(2), 0),
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[RESET_APBC_TSEN] = RESET_DATA(APBC_TSEN_CLK_RST, BIT(2), 0),
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[RESET_IPC_AP2AUD] = RESET_DATA(APBC_IPC_AP2AUD_CLK_RST, BIT(2), 0),
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[RESET_APBC_CAN0] = RESET_DATA(APBC_CAN0_CLK_RST, BIT(2), 0),
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[RESET_APBC_CAN1] = RESET_DATA(APBC_CAN1_CLK_RST, BIT(2), 0),
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[RESET_APBC_CAN2] = RESET_DATA(APBC_CAN2_CLK_RST, BIT(2), 0),
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[RESET_APBC_CAN3] = RESET_DATA(APBC_CAN3_CLK_RST, BIT(2), 0),
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[RESET_APBC_CAN4] = RESET_DATA(APBC_CAN4_CLK_RST, BIT(2), 0),
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};
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static const struct ccu_reset_controller_data k3_apbc_reset_data = {
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.reset_data = k3_apbc_resets,
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.count = ARRAY_SIZE(k3_apbc_resets),
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};
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static const struct ccu_reset_data k3_apmu_resets[] = {
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[RESET_APMU_CSI] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_CCIC2PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(2)),
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[RESET_APMU_CCIC3PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(29)),
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[RESET_APMU_ISP_CIBUS] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(16)),
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[RESET_APMU_DSI_ESC] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(3)),
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[RESET_APMU_LCD] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(4)),
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[RESET_APMU_V2D] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(27)),
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[RESET_APMU_LCD_MCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL2, 0, BIT(9)),
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[RESET_APMU_LCD_DSCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL2, 0, BIT(15)),
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[RESET_APMU_SC2_HCLK] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_CCIC_4X] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_CCIC1_PHY] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(2)),
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[RESET_APMU_SDH_AXI] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_SDH0] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_SDH1] = RESET_DATA(APMU_SDH1_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_SDH2] = RESET_DATA(APMU_SDH2_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_USB2] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0,
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BIT(1)|BIT(2)|BIT(3)),
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[RESET_APMU_USB3_PORTA] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0,
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BIT(5)|BIT(6)|BIT(7)),
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[RESET_APMU_USB3_PORTB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0,
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BIT(9)|BIT(10)|BIT(11)),
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[RESET_APMU_USB3_PORTC] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0,
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BIT(13)|BIT(14)|BIT(15)),
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[RESET_APMU_USB3_PORTD] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0,
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BIT(17)|BIT(18)|BIT(19)),
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[RESET_APMU_QSPI] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_QSPI_BUS] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_DMA] = RESET_DATA(APMU_DMA_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_AES_WTM] = RESET_DATA(APMU_AES_CLK_RES_CTRL, 0, BIT(4)),
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[RESET_APMU_MCB_DCLK] = RESET_DATA(APMU_MCB_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_MCB_ACLK] = RESET_DATA(APMU_MCB_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_VPU] = RESET_DATA(APMU_VPU_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_DTC] = RESET_DATA(APMU_DTC_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_GPU] = RESET_DATA(APMU_GPU_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_MC] = RESET_DATA(APMU_PMUA_MC_CTRL, 0, BIT(0)),
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[RESET_APMU_CPU0_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(0), 0),
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[RESET_APMU_CPU0_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(1), 0),
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[RESET_APMU_CPU1_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(3), 0),
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[RESET_APMU_CPU1_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(4), 0),
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[RESET_APMU_CPU2_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(6), 0),
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[RESET_APMU_CPU2_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(7), 0),
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[RESET_APMU_CPU3_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(9), 0),
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[RESET_APMU_CPU3_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(10), 0),
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[RESET_APMU_C0_MPSUB_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(12), 0),
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[RESET_APMU_CPU4_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(16), 0),
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[RESET_APMU_CPU4_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(17), 0),
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[RESET_APMU_CPU5_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(19), 0),
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[RESET_APMU_CPU5_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(20), 0),
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[RESET_APMU_CPU6_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(22), 0),
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[RESET_APMU_CPU6_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(23), 0),
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[RESET_APMU_CPU7_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(25), 0),
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[RESET_APMU_CPU7_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(26), 0),
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[RESET_APMU_C1_MPSUB_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(28), 0),
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[RESET_APMU_MPSUB_DBG] = RESET_DATA(APMU_PMU_CC2_AP, BIT(29), 0),
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[RESET_APMU_UCIE] = RESET_DATA(APMU_UCIE_CTRL,
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BIT(1) | BIT(2) | BIT(3), 0),
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[RESET_APMU_RCPU] = RESET_DATA(APMU_RCPU_CLK_RES_CTRL, 0,
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BIT(3) | BIT(2) | BIT(0)),
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[RESET_APMU_DSI4LN2_ESCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL3, 0, BIT(3)),
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[RESET_APMU_DSI4LN2_LCD_SW] = RESET_DATA(APMU_LCD_CLK_RES_CTRL3, 0, BIT(4)),
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[RESET_APMU_DSI4LN2_LCD_MCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL4, 0, BIT(9)),
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[RESET_APMU_DSI4LN2_LCD_DSCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL4, 0, BIT(15)),
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[RESET_APMU_DSI4LN2_DPU_ACLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL5, 0, BIT(0)),
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[RESET_APMU_DPU_ACLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL5, 0, BIT(15)),
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[RESET_APMU_UFS_ACLK] = RESET_DATA(APMU_UFS_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_EDP0] = RESET_DATA(APMU_LCD_EDP_CTRL, 0, BIT(0)),
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[RESET_APMU_EDP1] = RESET_DATA(APMU_LCD_EDP_CTRL, 0, BIT(16)),
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[RESET_APMU_PCIE_PORTA] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_A, 0,
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BIT(5) | BIT(4) | BIT(3)),
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[RESET_APMU_PCIE_PORTB] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_B, 0,
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BIT(5) | BIT(4) | BIT(3)),
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[RESET_APMU_PCIE_PORTC] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_C, 0,
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BIT(5) | BIT(4) | BIT(3)),
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[RESET_APMU_PCIE_PORTD] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_D, 0,
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BIT(5) | BIT(4) | BIT(3)),
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[RESET_APMU_PCIE_PORTE] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_E, 0,
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BIT(5) | BIT(4) | BIT(3)),
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[RESET_APMU_EMAC0] = RESET_DATA(APMU_EMAC0_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_EMAC1] = RESET_DATA(APMU_EMAC1_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_EMAC2] = RESET_DATA(APMU_EMAC2_CLK_RES_CTRL, 0, BIT(1)),
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[RESET_APMU_ESPI_MCLK] = RESET_DATA(APMU_ESPI_CLK_RES_CTRL, 0, BIT(0)),
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[RESET_APMU_ESPI_SCLK] = RESET_DATA(APMU_ESPI_CLK_RES_CTRL, 0, BIT(2)),
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};
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static const struct ccu_reset_controller_data k3_apmu_reset_data = {
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.reset_data = k3_apmu_resets,
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.count = ARRAY_SIZE(k3_apmu_resets),
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};
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static const struct ccu_reset_data k3_dciu_resets[] = {
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[RESET_DCIU_HDMA] = RESET_DATA(DCIU_DMASYS_RSTN, 0, BIT(0)),
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[RESET_DCIU_DMA350] = RESET_DATA(DCIU_DMASYS_SDMA_RSTN, 0, BIT(0)),
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[RESET_DCIU_DMA350_0] = RESET_DATA(DCIU_DMASYS_S0_RSTN, 0, BIT(0)),
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[RESET_DCIU_DMA350_1] = RESET_DATA(DCIU_DMASYS_S1_RSTN, 0, BIT(0)),
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[RESET_DCIU_AXIDMA0] = RESET_DATA(DCIU_DMASYS_A0_RSTN, 0, BIT(0)),
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[RESET_DCIU_AXIDMA1] = RESET_DATA(DCIU_DMASYS_A1_RSTN, 0, BIT(0)),
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[RESET_DCIU_AXIDMA2] = RESET_DATA(DCIU_DMASYS_A2_RSTN, 0, BIT(0)),
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[RESET_DCIU_AXIDMA3] = RESET_DATA(DCIU_DMASYS_A3_RSTN, 0, BIT(0)),
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[RESET_DCIU_AXIDMA4] = RESET_DATA(DCIU_DMASYS_A4_RSTN, 0, BIT(0)),
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||||
[RESET_DCIU_AXIDMA5] = RESET_DATA(DCIU_DMASYS_A5_RSTN, 0, BIT(0)),
|
||||
[RESET_DCIU_AXIDMA6] = RESET_DATA(DCIU_DMASYS_A6_RSTN, 0, BIT(0)),
|
||||
[RESET_DCIU_AXIDMA7] = RESET_DATA(DCIU_DMASYS_A7_RSTN, 0, BIT(0)),
|
||||
};
|
||||
|
||||
static const struct ccu_reset_controller_data k3_dciu_reset_data = {
|
||||
.reset_data = k3_dciu_resets,
|
||||
.count = ARRAY_SIZE(k3_dciu_resets),
|
||||
};
|
||||
|
||||
#define K3_AUX_DEV_ID(_unit) \
|
||||
{ \
|
||||
.name = "spacemit_ccu.k3-" #_unit "-reset", \
|
||||
.driver_data = (kernel_ulong_t)&k3_ ## _unit ## _reset_data, \
|
||||
}
|
||||
|
||||
static const struct auxiliary_device_id spacemit_k3_reset_ids[] = {
|
||||
K3_AUX_DEV_ID(mpmu),
|
||||
K3_AUX_DEV_ID(apbc),
|
||||
K3_AUX_DEV_ID(apmu),
|
||||
K3_AUX_DEV_ID(dciu),
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(auxiliary, spacemit_k3_reset_ids);
|
||||
|
||||
static struct auxiliary_driver spacemit_k3_reset_driver = {
|
||||
.probe = spacemit_reset_probe,
|
||||
.id_table = spacemit_k3_reset_ids,
|
||||
};
|
||||
module_auxiliary_driver(spacemit_k3_reset_driver);
|
||||
|
||||
MODULE_IMPORT_NS("RESET_SPACEMIT");
|
||||
MODULE_AUTHOR("Guodong Xu <guodong@riscstar.com>");
|
||||
MODULE_DESCRIPTION("SpacemiT K3 reset controller driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
Reference in New Issue
Block a user