Add the clock bindings for the Stratix10 SoC. Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx> --- v2: use a single clock binding --- .../devicetree/bindings/clock/intc_stratix10.txt | 20 +++++ arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 50 +++++++++++- .../boot/dts/altera/socfpga_stratix10_socdk.dts | 10 +++ include/dt-bindings/clock/stratix10-clock.h | 85 ++++++++++++++++++++ 4 files changed, 163 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/intc_stratix10.txt create mode 100644 include/dt-bindings/clock/stratix10-clock.h diff --git a/Documentation/devicetree/bindings/clock/intc_stratix10.txt b/Documentation/devicetree/bindings/clock/intc_stratix10.txt new file mode 100644 index 0000000..56c61d1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/intc_stratix10.txt @@ -0,0 +1,20 @@ +Device Tree Clock bindings for Intel's SoCFPGA Stratix10 platform + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be + "intc,clk-s10-mgr" + +- reg : shall be the control register offset from CLOCK_MANAGER's base for the clock. + +- #clock-cells : from common clock binding, shall be set to 1. + +Example: + clkmgr: clkmgr@ffd10000 { + compatible = "intc,clk-s10-mgr"; + reg = <0xffd10000 0x1000>; + #clock-cells = <1>; + }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index 7366a58..5120f9f 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -17,6 +17,7 @@ /dts-v1/; #include <dt-bindings/reset/altr,rst-mgr-s10.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/clock/stratix10-clock.h> / { compatible = "altr,socfpga-stratix10"; @@ -91,9 +92,35 @@ interrupt-parent = <&intc>; ranges = <0 0 0 0xffffffff>; - clkmgr@ffd1000 { - compatible = "altr,clk-mgr"; + clkmgr: clkmgr@ffd10000 { + compatible = "intc,clk-s10-mgr"; reg = <0xffd10000 0x1000>; + #clock-cells = <1>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + cb_intosc_hs_div2_clk: cb_intosc_hs_div2_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + cb_intosc_ls_clk: cb_intosc_ls_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + f2s_free_clk: f2s_free_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + + osc1: osc1 { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + }; }; gmac0: ethernet@ff800000 { @@ -104,6 +131,8 @@ mac-address = [00 00 00 00 00 00]; resets = <&rst EMAC0_RESET>; reset-names = "stmmaceth"; + clocks = <&clkmgr STRATIX10_EMAC0_CLK>; + clock-names = "stmmaceth"; status = "disabled"; }; @@ -115,6 +144,8 @@ mac-address = [00 00 00 00 00 00]; resets = <&rst EMAC1_RESET>; reset-names = "stmmaceth"; + clocks = <&clkmgr STRATIX10_EMAC1_CLK>; + clock-names = "stmmaceth"; status = "disabled"; }; @@ -126,6 +157,8 @@ mac-address = [00 00 00 00 00 00]; resets = <&rst EMAC2_RESET>; reset-names = "stmmaceth"; + clocks = <&clkmgr STRATIX10_EMAC2_CLK>; + clock-names = "stmmaceth"; status = "disabled"; }; @@ -228,6 +261,9 @@ fifo-depth = <0x400>; resets = <&rst SDMMC_RESET>; reset-names = "reset"; + clocks = <&clkmgr STRATIX10_L4_MP_CLK>, + <&clkmgr STRATIX10_SDMMC_CLK>; + clock-names = "biu", "ciu"; status = "disabled"; }; @@ -283,24 +319,32 @@ compatible = "snps,dw-apb-timer"; interrupts = <0 113 4>; reg = <0xffc03000 0x100>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; + clock-names = "timer"; }; timer1: timer1@ffc03100 { compatible = "snps,dw-apb-timer"; interrupts = <0 114 4>; reg = <0xffc03100 0x100>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; + clock-names = "timer"; }; timer2: timer2@ffd00000 { compatible = "snps,dw-apb-timer"; interrupts = <0 115 4>; reg = <0xffd00000 0x100>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; + clock-names = "timer"; }; timer3: timer3@ffd00100 { compatible = "snps,dw-apb-timer"; interrupts = <0 116 4>; reg = <0xffd00100 0x100>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; + clock-names = "timer"; }; uart0: serial0@ffc02000 { @@ -310,6 +354,7 @@ reg-shift = <2>; reg-io-width = <4>; resets = <&rst UART0_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; @@ -320,6 +365,7 @@ reg-shift = <2>; reg-io-width = <4>; resets = <&rst UART1_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 0007564..4d2d471 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -50,6 +50,16 @@ /* We expect the bootloader to fill in the reg */ reg = <0 0 0 0>; }; + + soc { + clkmgr@ffd10000 { + clocks { + osc1 { + clock-frequency = <25000000>; + }; + }; + }; + }; }; &gpio1 { diff --git a/include/dt-bindings/clock/stratix10-clock.h b/include/dt-bindings/clock/stratix10-clock.h new file mode 100644 index 0000000..faa7ea7 --- /dev/null +++ b/include/dt-bindings/clock/stratix10-clock.h @@ -0,0 +1,85 @@ +/* + * Copyright (C) 2017, Intel Corporation + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __STRATIX10_CLOCK_H +#define __STRATIX10_CLOCK_H + +/* fixed rate clocks */ +#define STRATIX10_OSC1 0 +#define STRATIX10_CB_INTOSC_HS_DIV2_CLK 1 +#define STRATIX10_CB_INTOSC_LS_CLK 2 +#define STRATIX10_F2S_FREE_CLK 3 + +/* fixed factor clocks */ +#define STRATIX10_L4_SYS_FREE_CLK 4 +#define STRATIX10_MPU_PERIPH_CLK 5 +#define STRATIX10_MPU_L2RAM_CLK 6 +#define STRATIX10_SDMMC_CIU_CLK 7 + +/* PLL clocks */ +#define STRATIX10_MAIN_PLL_CLK 8 +#define STRATIX10_PERIPH_PLL_CLK 9 +#define STRATIX10_BOOT_CLK 10 + +/* Periph clocks */ +#define STRATIX10_MAIN_MPU_BASE_CLK 11 +#define STRATIX10_MAIN_NOC_BASE_CLK 12 +#define STRATIX10_MAIN_EMACA_CLK 13 +#define STRATIX10_MAIN_EMACB_CLK 14 +#define STRATIX10_MAIN_EMAC_PTP_CLK 15 +#define STRATIX10_MAIN_GPIO_DB_CLK 16 +#define STRATIX10_MAIN_SDMMC_CLK 17 +#define STRATIX10_MAIN_S2F_USR0_CLK 18 +#define STRATIX10_MAIN_S2F_USR1_CLK 19 +#define STRATIX10_MAIN_PSI_REF_CLK 20 + +#define STRATIX10_PERI_MPU_BASE_CLK 21 +#define STRATIX10_PERI_NOC_BASE_CLK 22 +#define STRATIX10_PERI_EMACA_CLK 23 +#define STRATIX10_PERI_EMACB_CLK 24 +#define STRATIX10_PERI_EMAC_PTP_CLK 25 +#define STRATIX10_PERI_GPIO_DB_CLK 26 +#define STRATIX10_PERI_SDMMC_CLK 27 +#define STRATIX10_PERI_S2F_USR0_CLK 28 +#define STRATIX10_PERI_S2F_USR1_CLK 29 +#define STRATIX10_PERI_PSI_REF_CLK 30 + +#define STRATIX10_MPU_FREE_CLK 31 +#define STRATIX10_NOC_FREE_CLK 32 +#define STRATIX10_S2F_USR0_CLK 33 +#define STRATIX10_NOC_CLK 34 +#define STRATIX10_EMAC_A_FREE_CLK 35 +#define STRATIX10_EMAC_B_FREE_CLK 36 +#define STRATIX10_EMAC_PTP_FREE_CLK 37 +#define STRATIX10_GPIO_DB_FREE_CLK 38 +#define STRATIX10_SDMMC_FREE_CLK 39 +#define STRATIX10_S2F_USER1_FREE_CLK 40 +#define STRATIX10_PSI_REF_FREE_CLK 41 + +/* Gate clocks */ +#define STRATIX10_MPU_CLK 42 +#define STRATIX10_L4_MAIN_CLK 43 +#define STRATIX10_L4_MP_CLK 44 +#define STRATIX10_L4_SP_CLK 45 +#define STRATIX10_CS_AT_CLK 46 +#define STRATIX10_CS_TRACE_CLK 47 +#define STRATIX10_CS_PDBG_CLK 48 +#define STRATIX10_CS_TIMER_CLK 49 +#define STRATIX10_S2F_USER0_CLK 50 +#define STRATIX10_S2F_USER1_CLK 51 +#define STRATIX10_EMAC0_CLK 52 +#define STRATIX10_EMAC1_CLK 53 +#define STRATIX10_EMAC2_CLK 54 +#define STRATIX10_EMAC_PTP_CLK 55 +#define STRATIX10_GPIO_DB_CLK 56 +#define STRATIX10_SDMMC_CLK 57 +#define STRATIX10_PSI_REF_CLK 58 +#define STRATIX10_USB_CLK 59 +#define STRATIX10_SPI_M_CLK 60 +#define STRATIX10_NAND_CLK 61 +#define STRATIX10_NUM_CLKS 62 + +#endif /* __STRATIX10_CLOCK_H */ -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html