Document bindings for the T-Head TH1520 AP sub-system clock controller. Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf Co-developed-by: Yangtao Li <frank.li@xxxxxxxx> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx> Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxxxxx> --- .../bindings/clock/thead,th1520-clk-ap.yaml | 65 +++++++++++++++ MAINTAINERS | 2 + include/dt-bindings/clock/thead,th1520-clk-ap.h | 96 ++++++++++++++++++++++ 3 files changed, 163 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml new file mode 100644 index 000000000000..611edc90f7b3 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/thead,th1520-clk-ap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 AP sub-system clock controller + +description: | + The T-HEAD TH1520 AP sub-system clock controller configures the + CPU, DPU, GMAC and TEE PLLs. + + SoC reference manual + https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf + +maintainers: + - Jisheng Zhang <jszhang@xxxxxxxxxx> + - Wei Fu <wefu@xxxxxxxxxx> + - Drew Fustini <dfustini@xxxxxxxxxxxxxxx> + +properties: + compatible: + const: thead,th1520-clk-ap + + reg: + maxItems: 1 + + clocks: + items: + - description: main oscillator (24MHz) + + clock-names: + items: + - const: osc + + "#clock-cells": + const: 1 + description: + See <dt-bindings/clock/thead,th1520-clk-ap.h> for valid indices. + +required: + - compatible + - reg + - clocks + - clock-names + - "#clock-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/thead,th1520-clk-ap.h> + soc { + + #address-cells = <2>; + #size-cells = <2>; + + clk: clock-controller@ffef010000 { + compatible = "thead,th1520-clk-ap"; + reg = <0xff 0xef010000 0x0 0x1000>; + clocks = <&osc>; + clock-names = "osc"; + #clock-cells = <1>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ebf03f5f0619..51d550cb1329 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19023,7 +19023,9 @@ M: Guo Ren <guoren@xxxxxxxxxx> M: Fu Wei <wefu@xxxxxxxxxx> L: linux-riscv@xxxxxxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml F: arch/riscv/boot/dts/thead/ +F: include/dt-bindings/clock/thead,th1520-clk-ap.h RNBD BLOCK DRIVERS M: Md. Haris Iqbal <haris.iqbal@xxxxxxxxx> diff --git a/include/dt-bindings/clock/thead,th1520-clk-ap.h b/include/dt-bindings/clock/thead,th1520-clk-ap.h new file mode 100644 index 000000000000..d0d1ab1e672a --- /dev/null +++ b/include/dt-bindings/clock/thead,th1520-clk-ap.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2023 Vivo Communication Technology Co. Ltd. + * Authors: Yangtao Li <frank.li@xxxxxxxx> + */ + +#ifndef _DT_BINDINGS_CLK_TH1520_H_ +#define _DT_BINDINGS_CLK_TH1520_H_ + +#define CLK_CPU_PLL0 0 +#define CLK_CPU_PLL1 1 +#define CLK_GMAC_PLL 2 +#define CLK_VIDEO_PLL 3 +#define CLK_DPU0_PLL 4 +#define CLK_DPU1_PLL 5 +#define CLK_TEE_PLL 6 +#define CLK_C910_I0 7 +#define CLK_C910 8 +#define CLK_BROM 9 +#define CLK_BMU 10 +#define CLK_AHB2_CPUSYS_HCLK 11 +#define CLK_APB3_CPUSYS_PCLK 12 +#define CLK_AXI4_CPUSYS2_ACLK 13 +#define CLK_AON2CPU_A2X 14 +#define CLK_X2X_CPUSYS 15 +#define CLK_AXI_ACLK 16 +#define CLK_CPU2AON_X2H 17 +#define CLK_PERI_AHB_HCLK 18 +#define CLK_CPU2PERI_X2H 19 +#define CLK_PERI_APB_PCLK 20 +#define CLK_PERI2APB_PCLK 21 +#define CLK_PERI_APB1_HCLK 22 +#define CLK_PERI_APB2_HCLK 23 +#define CLK_PERI_APB3_HCLK 24 +#define CLK_PERI_APB4_HCLK 25 +#define CLK_OSC12M 26 +#define CLK_OUT1 27 +#define CLK_OUT2 28 +#define CLK_OUT3 29 +#define CLK_OUT4 30 +#define CLK_APB_PCLK 31 +#define CLK_NPU 32 +#define CLK_NPU_AXI 33 +#define CLK_VI 34 +#define CLK_VI_AHB 35 +#define CLK_VO_AXI 36 +#define CLK_VP_APB 37 +#define CLK_VP_AXI 38 +#define CLK_CPU2VP 39 +#define CLK_VENC 40 +#define CLK_DPU0 41 +#define CLK_DPU1 42 +#define CLK_EMMC_SDIO 43 +#define CLK_GMAC1 44 +#define CLK_PADCTRL1 45 +#define CLK_DSMART 46 +#define CLK_PADCTRL0 47 +#define CLK_GMAC_AXI 48 +#define CLK_GPIO3 49 +#define CLK_GMAC0 50 +#define CLK_PWM 51 +#define CLK_QSPI0 52 +#define CLK_QSPI1 53 +#define CLK_SPI 54 +#define CLK_UART0_PCLK 55 +#define CLK_UART1_PCLK 56 +#define CLK_UART2_PCLK 57 +#define CLK_UART3_PCLK 58 +#define CLK_UART4_PCLK 59 +#define CLK_UART5_PCLK 60 +#define CLK_GPIO0 61 +#define CLK_GPIO1 62 +#define CLK_GPIO2 63 +#define CLK_I2C0 64 +#define CLK_I2C1 65 +#define CLK_I2C2 66 +#define CLK_I2C3 67 +#define CLK_I2C4 68 +#define CLK_I2C5 69 +#define CLK_SPINLOCK 70 +#define CLK_DMA 71 +#define CLK_MBOX0 72 +#define CLK_MBOX1 73 +#define CLK_MBOX2 74 +#define CLK_MBOX3 75 +#define CLK_WDT0 76 +#define CLK_WDT1 77 +#define CLK_TIMER0 78 +#define CLK_TIMER1 79 +#define CLK_SRAM0 80 +#define CLK_SRAM1 81 +#define CLK_SRAM2 82 +#define CLK_SRAM3 83 +#define CLK_PLL_GMAC_100M 84 +#define CLK_UART_SCLK 85 +#endif -- 2.34.1
