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Message-ID: <20250321151831.623575-2-elder@riscstar.com>
Date: Fri, 21 Mar 2025 10:18:24 -0500
From: Alex Elder <elder@...cstar.com>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
p.zabel@...gutronix.de,
mturquette@...libre.com,
sboyd@...nel.org,
dlan@...too.org
Cc: heylenay@....org,
guodong@...cstar.com,
paul.walmsley@...ive.com,
palmer@...belt.com,
aou@...s.berkeley.edu,
spacemit@...ts.linux.dev,
devicetree@...r.kernel.org,
linux-clk@...r.kernel.org,
linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH RESEND 1/7] dt-bindings: soc: spacemit: define spacemit,k1-ccu resets
There are additional SpacemiT syscon CCUs whose registers control both
clocks and resets: RCPU, RCPU2, and APBC2. Unlike those defined
previously, these will initially support only resets. They do not
incorporate power domain functionality.
Define the index values for resets associated with all SpacemiT K1
syscon nodes, including those with clocks already defined, as well as
the new ones (without clocks).
Signed-off-by: Alex Elder <elder@...cstar.com>
---
.../soc/spacemit/spacemit,k1-syscon.yaml | 13 +-
include/dt-bindings/clock/spacemit,k1-ccu.h | 134 ++++++++++++++++++
2 files changed, 143 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
index 07a6728e6f864..333c28e075b6c 100644
--- a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
+++ b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
@@ -19,6 +19,9 @@ properties:
- spacemit,k1-syscon-apbc
- spacemit,k1-syscon-apmu
- spacemit,k1-syscon-mpmu
+ - spacemit,k1-syscon-rcpu
+ - spacemit,k1-syscon-rcpu2
+ - spacemit,k1-syscon-apbc2
reg:
maxItems: 1
@@ -57,13 +60,15 @@ allOf:
properties:
compatible:
contains:
- const: spacemit,k1-syscon-apbc
+ enum:
+ - spacemit,k1-syscon-apmu
+ - spacemit,k1-syscon-mpmu
then:
- properties:
- "#power-domain-cells": false
- else:
required:
- "#power-domain-cells"
+ else:
+ properties:
+ "#power-domain-cells": false
additionalProperties: false
diff --git a/include/dt-bindings/clock/spacemit,k1-ccu.h b/include/dt-bindings/clock/spacemit,k1-ccu.h
index 4a0c7163257e3..a1e1b1fe714ce 100644
--- a/include/dt-bindings/clock/spacemit,k1-ccu.h
+++ b/include/dt-bindings/clock/spacemit,k1-ccu.h
@@ -78,6 +78,9 @@
#define CLK_APB 31
#define CLK_WDT_BUS 32
+/* MPMU resets */
+#define RST_WDT 0
+
/* APBC clocks */
#define CLK_UART0 0
#define CLK_UART2 1
@@ -109,6 +112,7 @@
#define CLK_PWM17 27
#define CLK_PWM18 28
#define CLK_PWM19 29
+
#define CLK_SSP3 30
#define CLK_RTC 31
#define CLK_TWSI0 32
@@ -180,6 +184,60 @@
#define CLK_TSEN_BUS 98
#define CLK_IPC_AP2AUD_BUS 99
+/* APBC resets */
+
+#define RST_UART0 0
+#define RST_UART2 1
+#define RST_UART3 2
+#define RST_UART4 3
+#define RST_UART5 4
+#define RST_UART6 5
+#define RST_UART7 6
+#define RST_UART8 7
+#define RST_UART9 8
+#define RST_GPIO 9
+#define RST_PWM0 10
+#define RST_PWM1 11
+#define RST_PWM2 12
+#define RST_PWM3 13
+#define RST_PWM4 14
+#define RST_PWM5 15
+#define RST_PWM6 16
+#define RST_PWM7 17
+#define RST_PWM8 18
+#define RST_PWM9 19
+#define RST_PWM10 20
+#define RST_PWM11 21
+#define RST_PWM12 22
+#define RST_PWM13 23
+#define RST_PWM14 24
+#define RST_PWM15 25
+#define RST_PWM16 26
+#define RST_PWM17 27
+#define RST_PWM18 28
+#define RST_PWM19 29
+#define RST_SSP3 30
+#define RST_RTC 31
+#define RST_TWSI0 32
+#define RST_TWSI1 33
+#define RST_TWSI2 34
+#define RST_TWSI4 35
+#define RST_TWSI5 36
+#define RST_TWSI6 37
+#define RST_TWSI7 38
+#define RST_TWSI8 39
+#define RST_TIMERS1 40
+#define RST_TIMERS2 41
+#define RST_AIB 42
+#define RST_ONEWIRE 43
+#define RST_SSPA0 44
+#define RST_SSPA1 45
+#define RST_DRO 46
+#define RST_IR 47
+#define RST_TSEN 48
+#define RST_IPC_AP2AUD 49
+#define RST_CAN0 50
+
/* APMU clocks */
#define CLK_CCI550 0
#define CLK_CPU_C0_HI 1
@@ -244,4 +302,80 @@
#define CLK_V2D 60
#define CLK_EMMC_BUS 61
+/* APMU resets */
+
+#define RST_CCIC_4X 0
+#define RST_CCIC1_PHY 1
+#define RST_SDH_AXI 2
+#define RST_SDH0 3
+#define RST_SDH1 4
+#define RST_SDH2 5
+#define RST_USBP1_AXI 6
+#define RST_USB_AXI 7
+#define RST_USB3_0 8
+#define RST_QSPI 9
+#define RST_QSPI_BUS 10
+#define RST_DMA 11
+#define RST_AES 12
+#define RST_VPU 13
+#define RST_GPU 14
+#define RST_EMMC 15
+#define RST_EMMC_X 16
+#define RST_AUDIO 17
+#define RST_HDMI 18
+#define RST_PCIE0 19
+#define RST_PCIE1 20
+#define RST_PCIE2 21
+#define RST_EMAC0 22
+#define RST_EMAC1 23
+#define RST_JPG 24
+#define RST_CCIC2PHY 25
+#define RST_CCIC3PHY 26
+#define RST_CSI 27
+#define RST_ISP_CPP 28
+#define RST_ISP_BUS 29
+#define RST_ISP 30
+#define RST_ISP_CI 31
+#define RST_DPU_MCLK 32
+#define RST_DPU_ESC 33
+#define RST_DPU_HCLK 34
+#define RST_DPU_SPIBUS 35
+#define RST_DPU_SPI_HBUS 36
+#define RST_V2D 37
+#define RST_MIPI 38
+#define RST_MC 39
+
+/* RCPU resets */
+
+#define RST_RCPU_SSP0 0
+#define RST_RCPU_I2C0 1
+#define RST_RCPU_UART1 2
+#define RST_RCPU_IR 3
+#define RST_RCPU_CAN 4
+#define RST_RCPU_UART0 5
+#define RST_RCPU_HDMI_AUDIO 6
+
+/* RCPU2 resets */
+
+#define RST_RCPU2_PWM0 0
+#define RST_RCPU2_PWM1 1
+#define RST_RCPU2_PWM2 2
+#define RST_RCPU2_PWM3 3
+#define RST_RCPU2_PWM4 4
+#define RST_RCPU2_PWM5 5
+#define RST_RCPU2_PWM6 6
+#define RST_RCPU2_PWM7 7
+#define RST_RCPU2_PWM8 8
+#define RST_RCPU2_PWM9 9
+
+/* APBC2 resets */
+
+#define RST_APBC2_UART1 0
+#define RST_APBC2_SSP2 1
+#define RST_APBC2_TWSI3 2
+#define RST_APBC2_RTC 3
+#define RST_APBC2_TIMERS0 4
+#define RST_APBC2_KPC 5
+#define RST_APBC2_GPIO 6
+
#endif /* _DT_BINDINGS_SPACEMIT_CCU_H_ */
--
2.43.0
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