From 32121e158449f0b6d6ab6b2e63b22d9d80471563 Mon Sep 17 00:00:00 2001 From: Kanak Shilledar <kanakshilledar@gmail.com> Date: Fri, 5 Jul 2024 15:04:59 +0530 Subject: riscv: dts: thead: add basic spi node created spi0 node with fixed clock. the spi0 node uses synopsis designware driver and has the following compatible "snps,dw-apb-ssi". the spi0 node is connected to a SPI NOR flash pad which is left unpopulated on the back side of the board. Acked-by: Drew Fustini <drew@pdp7.com> Signed-off-by: Kanak Shilledar <kanakshilledar@gmail.com> Signed-off-by: Drew Fustini <drew@pdp7.com> --- arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 9 +++++++++ arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ++++ arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 5 +++++ arch/riscv/boot/dts/thead/th1520.dtsi | 16 ++++++++++++++++ 4 files changed, 34 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index d9b4de9e4757..b4d2e1d69bdb 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -23,6 +23,7 @@ serial3 = &uart3; serial4 = &uart4; serial5 = &uart5; + spi0 = &spi0; }; chosen { @@ -52,6 +53,10 @@ clock-frequency = <198000000>; }; +&spi_clk { + clock-frequency = <396000000>; +}; + &uart_sclk { clock-frequency = <100000000>; }; @@ -79,3 +84,7 @@ &uart0 { status = "okay"; }; + +&spi0 { + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index 1365d3a512a3..6939bd36560c 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -33,6 +33,10 @@ clock-frequency = <198000000>; }; +&spi_clk { + clock-frequency = <396000000>; +}; + &uart_sclk { clock-frequency = <100000000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts index 9a3884a73e13..7738d2895c5a 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts +++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts @@ -20,6 +20,7 @@ serial3 = &uart3; serial4 = &uart4; serial5 = &uart5; + spi0 = &spi0; }; chosen { @@ -30,3 +31,7 @@ &uart0 { status = "okay"; }; + +&spi0 { + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 3c9974062c20..aa703da30fc3 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -221,6 +221,12 @@ #clock-cells = <0>; }; + spi_clk: spi-clock { + compatible = "fixed-clock"; + clock-output-names = "spi_clk"; + #clock-cells = <0>; + }; + uart_sclk: uart-sclk-clock { compatible = "fixed-clock"; clock-output-names = "uart_sclk"; @@ -264,6 +270,16 @@ <&cpu3_intc 3>, <&cpu3_intc 7>; }; + spi0: spi@ffe700c000 { + compatible = "thead,th1520-spi", "snps,dw-apb-ssi"; + reg = <0xff 0xe700c000 0x0 0x1000>; + interrupts = <54 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&spi_clk>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + uart0: serial@ffe7014000 { compatible = "snps,dw-apb-uart"; reg = <0xff 0xe7014000 0x0 0x100>; -- cgit v1.2.3-70-g09d2 From e919fe036a97f6ed96eecf39ea61963eb2ff3442 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:05 -0700 Subject: riscv: dts: thead: Add TH1520 AP_SUBSYS clock controller Add node for the AP_SUBSYS clock controller on the T-Head TH1520 SoC. Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index aa703da30fc3..25ef5ee729e6 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -5,6 +5,7 @@ */ #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/clock/thead,th1520-clk-ap.h> / { compatible = "thead,th1520"; @@ -419,6 +420,13 @@ status = "disabled"; }; + clk: clock-controller@ffef010000 { + compatible = "thead,th1520-clk-ap"; + reg = <0xff 0xef010000 0x0 0x1000>; + clocks = <&osc>; + #clock-cells = <1>; + }; + dmac0: dma-controller@ffefc00000 { compatible = "snps,axi-dma-1.01a"; reg = <0xff 0xefc00000 0x0 0x1000>; -- cgit v1.2.3-70-g09d2 From c101b4a028e21ceaa4e39a62ee36a404d7b4bca9 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:06 -0700 Subject: riscv: dts: thead: change TH1520 uart nodes to use clock controller Change the clock property in TH1520 uart nodes to a clock provided by AP_SUBSYS clock controller. Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 4 ---- .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ---- arch/riscv/boot/dts/thead/th1520.dtsi | 24 +++++++++++----------- 3 files changed, 12 insertions(+), 20 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index b4d2e1d69bdb..90585883b059 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -57,10 +57,6 @@ clock-frequency = <396000000>; }; -&uart_sclk { - clock-frequency = <100000000>; -}; - &dmac0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index 6939bd36560c..1c5c7075ae17 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -37,10 +37,6 @@ clock-frequency = <396000000>; }; -&uart_sclk { - clock-frequency = <100000000>; -}; - &dmac0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 25ef5ee729e6..a543be8d6e37 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -228,12 +228,6 @@ #clock-cells = <0>; }; - uart_sclk: uart-sclk-clock { - compatible = "fixed-clock"; - clock-output-names = "uart_sclk"; - #clock-cells = <0>; - }; - sdhci_clk: sdhci-clock { compatible = "fixed-clock"; clock-frequency = <198000000>; @@ -285,7 +279,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xe7014000 0x0 0x100>; interrupts = <36 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART0_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; @@ -322,7 +317,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xe7f00000 0x0 0x100>; interrupts = <37 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART1_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; @@ -332,7 +328,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xe7f04000 0x0 0x100>; interrupts = <39 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART3_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; @@ -414,7 +411,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xec010000 0x0 0x4000>; interrupts = <38 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART2_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; @@ -483,7 +481,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xf7f08000 0x0 0x4000>; interrupts = <40 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART4_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; @@ -493,7 +492,8 @@ compatible = "snps,dw-apb-uart"; reg = <0xff 0xf7f0c000 0x0 0x4000>; interrupts = <41 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&uart_sclk>; + clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART5_PCLK>; + clock-names = "baudclk", "apb_pclk"; reg-shift = <2>; reg-io-width = <4>; status = "disabled"; -- cgit v1.2.3-70-g09d2 From 03a20182e1e0f4a824aeef9aa7bd1d46ea6d0196 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:07 -0700 Subject: riscv: dts: thead: change TH1520 mmc nodes to use clock controller Change the clock property in the TH1520 mmc controller nodes to a clock provided by AP_SYS clock controller. Remove sdhci fixed clock reference from BeagleV Ahead and LPI4a dts. Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 4 ---- arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ---- arch/riscv/boot/dts/thead/th1520.dtsi | 13 +++---------- 3 files changed, 3 insertions(+), 18 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 90585883b059..5169a718f79c 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -49,10 +49,6 @@ clock-frequency = <62500000>; }; -&sdhci_clk { - clock-frequency = <198000000>; -}; - &spi_clk { clock-frequency = <396000000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index 1c5c7075ae17..be982a3ac18c 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -29,10 +29,6 @@ clock-frequency = <62500000>; }; -&sdhci_clk { - clock-frequency = <198000000>; -}; - &spi_clk { clock-frequency = <396000000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index a543be8d6e37..f3b2f8236096 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -228,13 +228,6 @@ #clock-cells = <0>; }; - sdhci_clk: sdhci-clock { - compatible = "fixed-clock"; - clock-frequency = <198000000>; - clock-output-names = "sdhci_clk"; - #clock-cells = <0>; - }; - soc { compatible = "simple-bus"; interrupt-parent = <&plic>; @@ -290,7 +283,7 @@ compatible = "thead,th1520-dwcmshc"; reg = <0xff 0xe7080000 0x0 0x10000>; interrupts = <62 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&sdhci_clk>; + clocks = <&clk CLK_EMMC_SDIO>; clock-names = "core"; status = "disabled"; }; @@ -299,7 +292,7 @@ compatible = "thead,th1520-dwcmshc"; reg = <0xff 0xe7090000 0x0 0x10000>; interrupts = <64 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&sdhci_clk>; + clocks = <&clk CLK_EMMC_SDIO>; clock-names = "core"; status = "disabled"; }; @@ -308,7 +301,7 @@ compatible = "thead,th1520-dwcmshc"; reg = <0xff 0xe70a0000 0x0 0x10000>; interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&sdhci_clk>; + clocks = <&clk CLK_EMMC_SDIO>; clock-names = "core"; status = "disabled"; }; -- cgit v1.2.3-70-g09d2 From 89d58327fd7451533fd313d727b50a8264477bf4 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:08 -0700 Subject: riscv: dts: thead: update TH1520 dma and timer nodes to use clock controller Change the dma-controller and timer nodes to use the APB clock provided by the AP_SUBSYS clock controller. Remove apb_clk reference from BeagleV Ahead and LPI4a dts. Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 4 ---- .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ---- arch/riscv/boot/dts/thead/th1520.dtsi | 24 ++++++++-------------- 3 files changed, 9 insertions(+), 23 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 5169a718f79c..425f07d73b32 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -45,10 +45,6 @@ clock-frequency = <32768>; }; -&apb_clk { - clock-frequency = <62500000>; -}; - &spi_clk { clock-frequency = <396000000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index be982a3ac18c..077dbbe4abb6 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -25,10 +25,6 @@ clock-frequency = <32768>; }; -&apb_clk { - clock-frequency = <62500000>; -}; - &spi_clk { clock-frequency = <396000000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index f3b2f8236096..6ea5cabbcf60 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -216,12 +216,6 @@ #clock-cells = <0>; }; - apb_clk: apb-clk-clock { - compatible = "fixed-clock"; - clock-output-names = "apb_clk"; - #clock-cells = <0>; - }; - spi_clk: spi-clock { compatible = "fixed-clock"; clock-output-names = "spi_clk"; @@ -422,7 +416,7 @@ compatible = "snps,axi-dma-1.01a"; reg = <0xff 0xefc00000 0x0 0x1000>; interrupts = <27 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb_clk>, <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>, <&clk CLK_PERI_APB_PCLK>; clock-names = "core-clk", "cfgr-clk"; #dma-cells = <1>; dma-channels = <4>; @@ -437,7 +431,7 @@ timer0: timer@ffefc32000 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xefc32000 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <16 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -446,7 +440,7 @@ timer1: timer@ffefc32014 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xefc32014 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -455,7 +449,7 @@ timer2: timer@ffefc32028 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xefc32028 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <18 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -464,7 +458,7 @@ timer3: timer@ffefc3203c { compatible = "snps,dw-apb-timer"; reg = <0xff 0xefc3203c 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -495,7 +489,7 @@ timer4: timer@ffffc33000 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xffc33000 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <20 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -504,7 +498,7 @@ timer5: timer@ffffc33014 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xffc33014 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <21 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -513,7 +507,7 @@ timer6: timer@ffffc33028 { compatible = "snps,dw-apb-timer"; reg = <0xff 0xffc33028 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <22 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; @@ -522,7 +516,7 @@ timer7: timer@ffffc3303c { compatible = "snps,dw-apb-timer"; reg = <0xff 0xffc3303c 0x0 0x14>; - clocks = <&apb_clk>; + clocks = <&clk CLK_PERI_APB_PCLK>; clock-names = "timer"; interrupts = <23 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; -- cgit v1.2.3-70-g09d2 From 7f5b28218cec55072b562be386675ccae41acca1 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:09 -0700 Subject: riscv: dts: thead: add clock to TH1520 gpio nodes Add clock property to TH1520 gpio controller nodes. These clock gates refer to corresponding enable bits in the peripheral clock gate control register. Refer to register PERI_CLK_CFG in section 4.4.2.2.52 of the TH1520 System User Manual. Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 6ea5cabbcf60..5f4f94ca9cc7 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -327,6 +327,7 @@ reg = <0xff 0xe7f34000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; + clocks = <&clk CLK_GPIO2>; portc: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; @@ -345,6 +346,7 @@ reg = <0xff 0xe7f38000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; + clocks = <&clk CLK_GPIO3>; portd: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; @@ -363,6 +365,7 @@ reg = <0xff 0xec005000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; + clocks = <&clk CLK_GPIO0>; porta: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; @@ -381,6 +384,7 @@ reg = <0xff 0xec006000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; + clocks = <&clk CLK_GPIO1>; portb: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; -- cgit v1.2.3-70-g09d2 From 2d98fea7491a00dccd61fee019843b262e60f819 Mon Sep 17 00:00:00 2001 From: Drew Fustini <dfustini@tenstorrent.com> Date: Thu, 1 Aug 2024 11:38:10 -0700 Subject: riscv: dts: thead: change TH1520 SPI node to use clock controller Change the clock property in the TH1520 SPI controller node to a clock provided by AP_SYS clock controller. Remove spi_clk fixed clock reference from BeagleV Ahead and LPI4a dts. Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs Signed-off-by: Drew Fustini <dfustini@tenstorrent.com> --- arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 4 ---- arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ---- arch/riscv/boot/dts/thead/th1520.dtsi | 8 +------- 3 files changed, 1 insertion(+), 15 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 425f07d73b32..497d961456f3 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -45,10 +45,6 @@ clock-frequency = <32768>; }; -&spi_clk { - clock-frequency = <396000000>; -}; - &dmac0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index 077dbbe4abb6..78977bdbbe3d 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -25,10 +25,6 @@ clock-frequency = <32768>; }; -&spi_clk { - clock-frequency = <396000000>; -}; - &dmac0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 5f4f94ca9cc7..6992060e6a54 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -216,12 +216,6 @@ #clock-cells = <0>; }; - spi_clk: spi-clock { - compatible = "fixed-clock"; - clock-output-names = "spi_clk"; - #clock-cells = <0>; - }; - soc { compatible = "simple-bus"; interrupt-parent = <&plic>; @@ -256,7 +250,7 @@ compatible = "thead,th1520-spi", "snps,dw-apb-ssi"; reg = <0xff 0xe700c000 0x0 0x1000>; interrupts = <54 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&spi_clk>; + clocks = <&clk CLK_SPI>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; -- cgit v1.2.3-70-g09d2