Le 08/08/2024 à 09:59, Ryan Chen a écrit :
Add dt bindings for AST2700 clock controller Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx> --- .../dt-bindings/clock/aspeed,ast2700-clk.h | 175 ++++++++++++++++++ 1 file changed, 175 insertions(+) create mode 100644 include/dt-bindings/clock/aspeed,ast2700-clk.h diff --git a/include/dt-bindings/clock/aspeed,ast2700-clk.h b/include/dt-bindings/clock/aspeed,ast2700-clk.h new file mode 100644 index 000000000000..facf72352c3e --- /dev/null +++ b/include/dt-bindings/clock/aspeed,ast2700-clk.h @@ -0,0 +1,175 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Device Tree binding constants for AST2700 clock controller. + * + * Copyright (c) 2024 Aspeed Technology Inc. + */ + +#ifndef __DT_BINDINGS_CLOCK_AST2700_H +#define __DT_BINDINGS_CLOCK_AST2700_H + +/* SOC0 clk-gate */ +#define SCU0_CLK_GATE_MCLK (0) +#define SCU0_CLK_GATE_ECLK (1) +#define SCU0_CLK_GATE_2DCLK (2) +#define SCU0_CLK_GATE_VCLK (3) +#define SCU0_CLK_GATE_BCLK (4) +#define SCU0_CLK_GATE_VGA0CLK (5) +#define SCU0_CLK_GATE_REFCLK (6) +#define SCU0_CLK_GATE_PORTBUSB2CLK (7) +#define SCU0_CLK_GATE_RSV8 (8) +#define SCU0_CLK_GATE_UHCICLK (9) +#define SCU0_CLK_GATE_VGA1CLK (10) +#define SCU0_CLK_GATE_DDRPHYCLK (11) +#define SCU0_CLK_GATE_E2M0CLK (12) +#define SCU0_CLK_GATE_HACCLK (13) +#define SCU0_CLK_GATE_PORTAUSB2CLK (14) +#define SCU0_CLK_GATE_UART4CLK (15) +#define SCU0_CLK_GATE_SLICLK (16) +#define SCU0_CLK_GATE_DACCLK (17) +#define SCU0_CLK_GATE_DP (18) +#define SCU0_CLK_GATE_E2M1CLK (19) +#define SCU0_CLK_GATE_CRT0CLK (20) +#define SCU0_CLK_GATE_CRT1CLK (21) +#define SCU0_CLK_GATE_VLCLK (22) +#define SCU0_CLK_GATE_ECDSACLK (23) +#define SCU0_CLK_GATE_RSACLK (24) +#define SCU0_CLK_GATE_RVAS0CLK (25) +#define SCU0_CLK_GATE_UFSCLK (26) +#define SCU0_CLK_GATE_EMMCCLK (27) +#define SCU0_CLK_GATE_RVAS1CLK (28) +/* reserved 29 ~ 31*/ +#define SCU0_CLK_GATE_NUM (SCU0_CLK_GATE_RVAS1CLK + 1) + +/* SOC0 clk */ +#define SCU0_CLKIN (SCU0_CLK_GATE_NUM + 0)
So SCU0_CLKIN is 28+1+0 = 29 which is said to be reserved in the comment above.
+#define SCU0_CLK_24M (SCU0_CLK_GATE_NUM + 1) +#define SCU0_CLK_192M (SCU0_CLK_GATE_NUM + 2) +#define SCU0_CLK_UART (SCU0_CLK_GATE_NUM + 3) +#define SCU0_CLK_PSP (SCU0_CLK_GATE_NUM + 4) +#define SCU0_CLK_HPLL (SCU0_CLK_GATE_NUM + 5)
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