[PATCH v6 2/6] soc: spacemit: create a header for clock/reset registers

Alex Elder posted 6 patches 7 months, 1 week ago
There is a newer version of this series
[PATCH v6 2/6] soc: spacemit: create a header for clock/reset registers
Posted by Alex Elder 7 months, 1 week ago
Move the definitions of register offsets and fields used by the SpacemiT
K1 SoC CCUs into a separate header file, so that they can be shared by
the reset driver that will be found under drivers/reset.

Signed-off-by: Alex Elder <elder@riscstar.com>
---
 drivers/clk/spacemit/ccu-k1.c | 111 +--------------------------------
 include/soc/spacemit/ccu_k1.h | 113 ++++++++++++++++++++++++++++++++++
 2 files changed, 114 insertions(+), 110 deletions(-)
 create mode 100644 include/soc/spacemit/ccu_k1.h

diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c
index cdde37a052353..9545cfe60b92b 100644
--- a/drivers/clk/spacemit/ccu-k1.c
+++ b/drivers/clk/spacemit/ccu-k1.c
@@ -11,6 +11,7 @@
 #include <linux/minmax.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <soc/spacemit/ccu_k1.h>
 
 #include "ccu_common.h"
 #include "ccu_pll.h"
@@ -19,116 +20,6 @@
 
 #include <dt-bindings/clock/spacemit,k1-syscon.h>
 
-/* APBS register offset */
-#define APBS_PLL1_SWCR1			0x100
-#define APBS_PLL1_SWCR2			0x104
-#define APBS_PLL1_SWCR3			0x108
-#define APBS_PLL2_SWCR1			0x118
-#define APBS_PLL2_SWCR2			0x11c
-#define APBS_PLL2_SWCR3			0x120
-#define APBS_PLL3_SWCR1			0x124
-#define APBS_PLL3_SWCR2			0x128
-#define APBS_PLL3_SWCR3			0x12c
-
-/* MPMU register offset */
-#define MPMU_POSR			0x0010
-#define  POSR_PLL1_LOCK			BIT(27)
-#define  POSR_PLL2_LOCK			BIT(28)
-#define  POSR_PLL3_LOCK			BIT(29)
-#define MPMU_SUCCR			0x0014
-#define MPMU_ISCCR			0x0044
-#define MPMU_WDTPCR			0x0200
-#define MPMU_RIPCCR			0x0210
-#define MPMU_ACGR			0x1024
-#define MPMU_APBCSCR			0x1050
-#define MPMU_SUCCR_1			0x10b0
-
-/* APBC register offset */
-#define APBC_UART1_CLK_RST		0x00
-#define APBC_UART2_CLK_RST		0x04
-#define APBC_GPIO_CLK_RST		0x08
-#define APBC_PWM0_CLK_RST		0x0c
-#define APBC_PWM1_CLK_RST		0x10
-#define APBC_PWM2_CLK_RST		0x14
-#define APBC_PWM3_CLK_RST		0x18
-#define APBC_TWSI8_CLK_RST		0x20
-#define APBC_UART3_CLK_RST		0x24
-#define APBC_RTC_CLK_RST		0x28
-#define APBC_TWSI0_CLK_RST		0x2c
-#define APBC_TWSI1_CLK_RST		0x30
-#define APBC_TIMERS1_CLK_RST		0x34
-#define APBC_TWSI2_CLK_RST		0x38
-#define APBC_AIB_CLK_RST		0x3c
-#define APBC_TWSI4_CLK_RST		0x40
-#define APBC_TIMERS2_CLK_RST		0x44
-#define APBC_ONEWIRE_CLK_RST		0x48
-#define APBC_TWSI5_CLK_RST		0x4c
-#define APBC_DRO_CLK_RST		0x58
-#define APBC_IR_CLK_RST			0x5c
-#define APBC_TWSI6_CLK_RST		0x60
-#define APBC_COUNTER_CLK_SEL		0x64
-#define APBC_TWSI7_CLK_RST		0x68
-#define APBC_TSEN_CLK_RST		0x6c
-#define APBC_UART4_CLK_RST		0x70
-#define APBC_UART5_CLK_RST		0x74
-#define APBC_UART6_CLK_RST		0x78
-#define APBC_SSP3_CLK_RST		0x7c
-#define APBC_SSPA0_CLK_RST		0x80
-#define APBC_SSPA1_CLK_RST		0x84
-#define APBC_IPC_AP2AUD_CLK_RST		0x90
-#define APBC_UART7_CLK_RST		0x94
-#define APBC_UART8_CLK_RST		0x98
-#define APBC_UART9_CLK_RST		0x9c
-#define APBC_CAN0_CLK_RST		0xa0
-#define APBC_PWM4_CLK_RST		0xa8
-#define APBC_PWM5_CLK_RST		0xac
-#define APBC_PWM6_CLK_RST		0xb0
-#define APBC_PWM7_CLK_RST		0xb4
-#define APBC_PWM8_CLK_RST		0xb8
-#define APBC_PWM9_CLK_RST		0xbc
-#define APBC_PWM10_CLK_RST		0xc0
-#define APBC_PWM11_CLK_RST		0xc4
-#define APBC_PWM12_CLK_RST		0xc8
-#define APBC_PWM13_CLK_RST		0xcc
-#define APBC_PWM14_CLK_RST		0xd0
-#define APBC_PWM15_CLK_RST		0xd4
-#define APBC_PWM16_CLK_RST		0xd8
-#define APBC_PWM17_CLK_RST		0xdc
-#define APBC_PWM18_CLK_RST		0xe0
-#define APBC_PWM19_CLK_RST		0xe4
-
-/* APMU register offset */
-#define APMU_JPG_CLK_RES_CTRL		0x020
-#define APMU_CSI_CCIC2_CLK_RES_CTRL	0x024
-#define APMU_ISP_CLK_RES_CTRL		0x038
-#define APMU_LCD_CLK_RES_CTRL1		0x044
-#define APMU_LCD_SPI_CLK_RES_CTRL	0x048
-#define APMU_LCD_CLK_RES_CTRL2		0x04c
-#define APMU_CCIC_CLK_RES_CTRL		0x050
-#define APMU_SDH0_CLK_RES_CTRL		0x054
-#define APMU_SDH1_CLK_RES_CTRL		0x058
-#define APMU_USB_CLK_RES_CTRL		0x05c
-#define APMU_QSPI_CLK_RES_CTRL		0x060
-#define APMU_DMA_CLK_RES_CTRL		0x064
-#define APMU_AES_CLK_RES_CTRL		0x068
-#define APMU_VPU_CLK_RES_CTRL		0x0a4
-#define APMU_GPU_CLK_RES_CTRL		0x0cc
-#define APMU_SDH2_CLK_RES_CTRL		0x0e0
-#define APMU_PMUA_MC_CTRL		0x0e8
-#define APMU_PMU_CC2_AP			0x100
-#define APMU_PMUA_EM_CLK_RES_CTRL	0x104
-#define APMU_AUDIO_CLK_RES_CTRL		0x14c
-#define APMU_HDMI_CLK_RES_CTRL		0x1b8
-#define APMU_CCI550_CLK_CTRL		0x300
-#define APMU_ACLK_CLK_CTRL		0x388
-#define APMU_CPU_C0_CLK_CTRL		0x38C
-#define APMU_CPU_C1_CLK_CTRL		0x390
-#define APMU_PCIE_CLK_RES_CTRL_0	0x3cc
-#define APMU_PCIE_CLK_RES_CTRL_1	0x3d4
-#define APMU_PCIE_CLK_RES_CTRL_2	0x3dc
-#define APMU_EMAC0_CLK_RES_CTRL		0x3e4
-#define APMU_EMAC1_CLK_RES_CTRL		0x3ec
-
 struct spacemit_ccu_data {
 	struct clk_hw **hws;
 	size_t num;
diff --git a/include/soc/spacemit/ccu_k1.h b/include/soc/spacemit/ccu_k1.h
new file mode 100644
index 0000000000000..7df75043e78af
--- /dev/null
+++ b/include/soc/spacemit/ccu_k1.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* SpacemiT clock and reset driver definitions for the K1 SoC */
+
+/* APBS register offset */
+#define APBS_PLL1_SWCR1			0x100
+#define APBS_PLL1_SWCR2			0x104
+#define APBS_PLL1_SWCR3			0x108
+#define APBS_PLL2_SWCR1			0x118
+#define APBS_PLL2_SWCR2			0x11c
+#define APBS_PLL2_SWCR3			0x120
+#define APBS_PLL3_SWCR1			0x124
+#define APBS_PLL3_SWCR2			0x128
+#define APBS_PLL3_SWCR3			0x12c
+
+/* MPMU register offset */
+#define MPMU_POSR			0x0010
+#define  POSR_PLL1_LOCK			BIT(27)
+#define  POSR_PLL2_LOCK			BIT(28)
+#define  POSR_PLL3_LOCK			BIT(29)
+#define MPMU_SUCCR			0x0014
+#define MPMU_ISCCR			0x0044
+#define MPMU_WDTPCR			0x0200
+#define MPMU_RIPCCR			0x0210
+#define MPMU_ACGR			0x1024
+#define MPMU_APBCSCR			0x1050
+#define MPMU_SUCCR_1			0x10b0
+
+/* APBC register offset */
+#define APBC_UART1_CLK_RST		0x00
+#define APBC_UART2_CLK_RST		0x04
+#define APBC_GPIO_CLK_RST		0x08
+#define APBC_PWM0_CLK_RST		0x0c
+#define APBC_PWM1_CLK_RST		0x10
+#define APBC_PWM2_CLK_RST		0x14
+#define APBC_PWM3_CLK_RST		0x18
+#define APBC_TWSI8_CLK_RST		0x20
+#define APBC_UART3_CLK_RST		0x24
+#define APBC_RTC_CLK_RST		0x28
+#define APBC_TWSI0_CLK_RST		0x2c
+#define APBC_TWSI1_CLK_RST		0x30
+#define APBC_TIMERS1_CLK_RST		0x34
+#define APBC_TWSI2_CLK_RST		0x38
+#define APBC_AIB_CLK_RST		0x3c
+#define APBC_TWSI4_CLK_RST		0x40
+#define APBC_TIMERS2_CLK_RST		0x44
+#define APBC_ONEWIRE_CLK_RST		0x48
+#define APBC_TWSI5_CLK_RST		0x4c
+#define APBC_DRO_CLK_RST		0x58
+#define APBC_IR_CLK_RST			0x5c
+#define APBC_TWSI6_CLK_RST		0x60
+#define APBC_COUNTER_CLK_SEL		0x64
+#define APBC_TWSI7_CLK_RST		0x68
+#define APBC_TSEN_CLK_RST		0x6c
+#define APBC_UART4_CLK_RST		0x70
+#define APBC_UART5_CLK_RST		0x74
+#define APBC_UART6_CLK_RST		0x78
+#define APBC_SSP3_CLK_RST		0x7c
+#define APBC_SSPA0_CLK_RST		0x80
+#define APBC_SSPA1_CLK_RST		0x84
+#define APBC_IPC_AP2AUD_CLK_RST		0x90
+#define APBC_UART7_CLK_RST		0x94
+#define APBC_UART8_CLK_RST		0x98
+#define APBC_UART9_CLK_RST		0x9c
+#define APBC_CAN0_CLK_RST		0xa0
+#define APBC_PWM4_CLK_RST		0xa8
+#define APBC_PWM5_CLK_RST		0xac
+#define APBC_PWM6_CLK_RST		0xb0
+#define APBC_PWM7_CLK_RST		0xb4
+#define APBC_PWM8_CLK_RST		0xb8
+#define APBC_PWM9_CLK_RST		0xbc
+#define APBC_PWM10_CLK_RST		0xc0
+#define APBC_PWM11_CLK_RST		0xc4
+#define APBC_PWM12_CLK_RST		0xc8
+#define APBC_PWM13_CLK_RST		0xcc
+#define APBC_PWM14_CLK_RST		0xd0
+#define APBC_PWM15_CLK_RST		0xd4
+#define APBC_PWM16_CLK_RST		0xd8
+#define APBC_PWM17_CLK_RST		0xdc
+#define APBC_PWM18_CLK_RST		0xe0
+#define APBC_PWM19_CLK_RST		0xe4
+
+/* APMU register offset */
+#define APMU_JPG_CLK_RES_CTRL		0x020
+#define APMU_CSI_CCIC2_CLK_RES_CTRL	0x024
+#define APMU_ISP_CLK_RES_CTRL		0x038
+#define APMU_LCD_CLK_RES_CTRL1		0x044
+#define APMU_LCD_SPI_CLK_RES_CTRL	0x048
+#define APMU_LCD_CLK_RES_CTRL2		0x04c
+#define APMU_CCIC_CLK_RES_CTRL		0x050
+#define APMU_SDH0_CLK_RES_CTRL		0x054
+#define APMU_SDH1_CLK_RES_CTRL		0x058
+#define APMU_USB_CLK_RES_CTRL		0x05c
+#define APMU_QSPI_CLK_RES_CTRL		0x060
+#define APMU_DMA_CLK_RES_CTRL		0x064
+#define APMU_AES_CLK_RES_CTRL		0x068
+#define APMU_VPU_CLK_RES_CTRL		0x0a4
+#define APMU_GPU_CLK_RES_CTRL		0x0cc
+#define APMU_SDH2_CLK_RES_CTRL		0x0e0
+#define APMU_PMUA_MC_CTRL		0x0e8
+#define APMU_PMU_CC2_AP			0x100
+#define APMU_PMUA_EM_CLK_RES_CTRL	0x104
+#define APMU_AUDIO_CLK_RES_CTRL		0x14c
+#define APMU_HDMI_CLK_RES_CTRL		0x1b8
+#define APMU_CCI550_CLK_CTRL		0x300
+#define APMU_ACLK_CLK_CTRL		0x388
+#define APMU_CPU_C0_CLK_CTRL		0x38C
+#define APMU_CPU_C1_CLK_CTRL		0x390
+#define APMU_PCIE_CLK_RES_CTRL_0	0x3cc
+#define APMU_PCIE_CLK_RES_CTRL_1	0x3d4
+#define APMU_PCIE_CLK_RES_CTRL_2	0x3dc
+#define APMU_EMAC0_CLK_RES_CTRL		0x3e4
+#define APMU_EMAC1_CLK_RES_CTRL		0x3ec
-- 
2.45.2
Re: [PATCH v6 2/6] soc: spacemit: create a header for clock/reset registers
Posted by Haylen Chu 7 months, 1 week ago
On Tue, May 06, 2025 at 04:06:33PM -0500, Alex Elder wrote:
> Move the definitions of register offsets and fields used by the SpacemiT
> K1 SoC CCUs into a separate header file, so that they can be shared by
> the reset driver that will be found under drivers/reset.
> 
> Signed-off-by: Alex Elder <elder@riscstar.com>
> ---
>  drivers/clk/spacemit/ccu-k1.c | 111 +--------------------------------
>  include/soc/spacemit/ccu_k1.h | 113 ++++++++++++++++++++++++++++++++++

CCU is abbreviated from "clock controller unit" thus the filename seems
a little strange to me. Will k1-syscon.h be a better name? We could put
all syscon registers together when introducing the power-domain driver
later, which could provide an overall view of register layout.

>  2 files changed, 114 insertions(+), 110 deletions(-)
>  create mode 100644 include/soc/spacemit/ccu_k1.h

Best regards,
Haylen Chu
Re: [PATCH v6 2/6] soc: spacemit: create a header for clock/reset registers
Posted by Alex Elder 7 months, 1 week ago
On 5/7/25 11:16 PM, Haylen Chu wrote:
> On Tue, May 06, 2025 at 04:06:33PM -0500, Alex Elder wrote:
>> Move the definitions of register offsets and fields used by the SpacemiT
>> K1 SoC CCUs into a separate header file, so that they can be shared by
>> the reset driver that will be found under drivers/reset.
>>
>> Signed-off-by: Alex Elder <elder@riscstar.com>
>> ---
>>   drivers/clk/spacemit/ccu-k1.c | 111 +--------------------------------
>>   include/soc/spacemit/ccu_k1.h | 113 ++++++++++++++++++++++++++++++++++
> 
> CCU is abbreviated from "clock controller unit" thus the filename seems
> a little strange to me. Will k1-syscon.h be a better name? We could put
> all syscon registers together when introducing the power-domain driver
> later, which could provide an overall view of register layout.

I'm OK with making that change.

To me the "CCU" was the that IP block that offered clock and
reset controls (and maybe a few other things?).  But renaming
it, given we're separating the functionality more clearly,
is pretty reasonable.

Thanks.

					-Alex

>>   2 files changed, 114 insertions(+), 110 deletions(-)
>>   create mode 100644 include/soc/spacemit/ccu_k1.h
> 
> Best regards,
> Haylen Chu