From patchwork Thu Jul 13 11:38:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311890 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04588C001DF for ; Thu, 13 Jul 2023 11:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234393AbjGMLje convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234307AbjGMLjN (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A572EE5C; Thu, 13 Jul 2023 04:39:11 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id D089124E266; Thu, 13 Jul 2023 19:39:04 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:04 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:03 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 1/9] dt-bindings: clock: Add StarFive JH7110 System-Top-Group clock and reset generator Date: Thu, 13 Jul 2023 19:38:54 +0800 Message-ID: <20230713113902.56519-2-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add bindings for the System-Top-Group clock and reset generator (STGCRG) on the JH7110 RISC-V SoC by StarFive Ltd. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Krzysztof Kozlowski Signed-off-by: Xingyu Wu --- .../clock/starfive,jh7110-stgcrg.yaml | 82 +++++++++++++++++++ .../dt-bindings/clock/starfive,jh7110-crg.h | 34 ++++++++ .../dt-bindings/reset/starfive,jh7110-crg.h | 28 +++++++ 3 files changed, 144 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml new file mode 100644 index 000000000000..b64ccd84200a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-stgcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 System-Top-Group Clock and Reset Generator + +maintainers: + - Xingyu Wu + +properties: + compatible: + const: starfive,jh7110-stgcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: Main Oscillator (24 MHz) + - description: HIFI4 core + - description: STG AXI/AHB + - description: USB (125 MHz) + - description: CPU Bus + - description: HIFI4 Axi + - description: NOC STG Bus + - description: APB Bus + + clock-names: + items: + - const: osc + - const: hifi4_core + - const: stg_axiahb + - const: usb_125m + - const: cpu_bus + - const: hifi4_axi + - const: nocstg_bus + - const: apb_bus + + '#clock-cells': + const: 1 + description: + See for valid indices. + + '#reset-cells': + const: 1 + description: + See for valid indices. + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include + + stgcrg: clock-controller@10230000 { + compatible = "starfive,jh7110-stgcrg"; + reg = <0x10230000 0x10000>; + clocks = <&osc>, + <&syscrg JH7110_SYSCLK_HIFI4_CORE>, + <&syscrg JH7110_SYSCLK_STG_AXIAHB>, + <&syscrg JH7110_SYSCLK_USB_125M>, + <&syscrg JH7110_SYSCLK_CPU_BUS>, + <&syscrg JH7110_SYSCLK_HIFI4_AXI>, + <&syscrg JH7110_SYSCLK_NOCSTG_BUS>, + <&syscrg JH7110_SYSCLK_APB_BUS>; + clock-names = "osc", "hifi4_core", + "stg_axiahb", "usb_125m", + "cpu_bus", "hifi4_axi", + "nocstg_bus", "apb_bus"; + #clock-cells = <1>; + #reset-cells = <1>; + }; diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h index 06257bfd9ac1..6c8e8b4cf1f6 100644 --- a/include/dt-bindings/clock/starfive,jh7110-crg.h +++ b/include/dt-bindings/clock/starfive,jh7110-crg.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright 2022 Emil Renner Berthing + * Copyright 2022 StarFive Technology Co., Ltd. */ #ifndef __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ @@ -218,4 +219,37 @@ #define JH7110_AONCLK_END 14 +/* STGCRG clocks */ +#define JH7110_STGCLK_HIFI4_CLK_CORE 0 +#define JH7110_STGCLK_USB0_APB 1 +#define JH7110_STGCLK_USB0_UTMI_APB 2 +#define JH7110_STGCLK_USB0_AXI 3 +#define JH7110_STGCLK_USB0_LPM 4 +#define JH7110_STGCLK_USB0_STB 5 +#define JH7110_STGCLK_USB0_APP_125 6 +#define JH7110_STGCLK_USB0_REFCLK 7 +#define JH7110_STGCLK_PCIE0_AXI_MST0 8 +#define JH7110_STGCLK_PCIE0_APB 9 +#define JH7110_STGCLK_PCIE0_TL 10 +#define JH7110_STGCLK_PCIE1_AXI_MST0 11 +#define JH7110_STGCLK_PCIE1_APB 12 +#define JH7110_STGCLK_PCIE1_TL 13 +#define JH7110_STGCLK_PCIE_SLV_MAIN 14 +#define JH7110_STGCLK_SEC_AHB 15 +#define JH7110_STGCLK_SEC_MISC_AHB 16 +#define JH7110_STGCLK_GRP0_MAIN 17 +#define JH7110_STGCLK_GRP0_BUS 18 +#define JH7110_STGCLK_GRP0_STG 19 +#define JH7110_STGCLK_GRP1_MAIN 20 +#define JH7110_STGCLK_GRP1_BUS 21 +#define JH7110_STGCLK_GRP1_STG 22 +#define JH7110_STGCLK_GRP1_HIFI 23 +#define JH7110_STGCLK_E2_RTC 24 +#define JH7110_STGCLK_E2_CORE 25 +#define JH7110_STGCLK_E2_DBG 26 +#define JH7110_STGCLK_DMA1P_AXI 27 +#define JH7110_STGCLK_DMA1P_AHB 28 + +#define JH7110_STGCLK_END 29 + #endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */ diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h index d78e38690ceb..4e96ab81dd8e 100644 --- a/include/dt-bindings/reset/starfive,jh7110-crg.h +++ b/include/dt-bindings/reset/starfive,jh7110-crg.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright (C) 2022 Emil Renner Berthing + * Copyright (C) 2022 StarFive Technology Co., Ltd. */ #ifndef __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ @@ -151,4 +152,31 @@ #define JH7110_AONRST_END 8 +/* STGCRG resets */ +#define JH7110_STGRST_SYSCON 0 +#define JH7110_STGRST_HIFI4_CORE 1 +#define JH7110_STGRST_HIFI4_AXI 2 +#define JH7110_STGRST_SEC_AHB 3 +#define JH7110_STGRST_E24_CORE 4 +#define JH7110_STGRST_DMA1P_AXI 5 +#define JH7110_STGRST_DMA1P_AHB 6 +#define JH7110_STGRST_USB0_AXI 7 +#define JH7110_STGRST_USB0_APB 8 +#define JH7110_STGRST_USB0_UTMI_APB 9 +#define JH7110_STGRST_USB0_PWRUP 10 +#define JH7110_STGRST_PCIE0_AXI_MST0 11 +#define JH7110_STGRST_PCIE0_AXI_SLV0 12 +#define JH7110_STGRST_PCIE0_AXI_SLV 13 +#define JH7110_STGRST_PCIE0_BRG 14 +#define JH7110_STGRST_PCIE0_CORE 15 +#define JH7110_STGRST_PCIE0_APB 16 +#define JH7110_STGRST_PCIE1_AXI_MST0 17 +#define JH7110_STGRST_PCIE1_AXI_SLV0 18 +#define JH7110_STGRST_PCIE1_AXI_SLV 19 +#define JH7110_STGRST_PCIE1_BRG 20 +#define JH7110_STGRST_PCIE1_CORE 21 +#define JH7110_STGRST_PCIE1_APB 22 + +#define JH7110_STGRST_END 23 + #endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */ From patchwork Thu Jul 13 11:38:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311884 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F5FCC001B0 for ; Thu, 13 Jul 2023 11:39:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233915AbjGMLjM convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233776AbjGMLjL (ORCPT ); Thu, 13 Jul 2023 07:39:11 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46A491FDB; Thu, 13 Jul 2023 04:39:08 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 92D6A24E268; Thu, 13 Jul 2023 19:39:05 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:05 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:04 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 2/9] clk: starfive: Add StarFive JH7110 System-Top-Group clock driver Date: Thu, 13 Jul 2023 19:38:55 +0800 Message-ID: <20230713113902.56519-3-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Emil Renner Berthing Add driver for the StarFive JH7110 System-Top-Group clock controller. Acked-by: Palmer Dabbelt Reviewed-by: Hal Feng Co-developed-by: Xingyu Wu Signed-off-by: Xingyu Wu Signed-off-by: Emil Renner Berthing --- drivers/clk/starfive/Kconfig | 8 + drivers/clk/starfive/Makefile | 1 + .../clk/starfive/clk-starfive-jh7110-stg.c | 173 ++++++++++++++++++ 3 files changed, 182 insertions(+) create mode 100644 drivers/clk/starfive/clk-starfive-jh7110-stg.c diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 5d2333106f13..eb1023b5e95a 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -39,3 +39,11 @@ config CLK_STARFIVE_JH7110_AON help Say yes here to support the always-on clock controller on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_STG + tristate "StarFive JH7110 System-Top-Group clock support" + depends on CLK_STARFIVE_JH7110_SYS + default m if ARCH_STARFIVE + help + Say yes here to support the System-Top-Group clock controller + on the StarFive JH7110 SoC. diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index f3df7d957b1e..b81e97ee2659 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO) += clk-starfive-jh7100-audio.o obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o diff --git a/drivers/clk/starfive/clk-starfive-jh7110-stg.c b/drivers/clk/starfive/clk-starfive-jh7110-stg.c new file mode 100644 index 000000000000..dafcb7190592 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-stg.c @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 System-Top-Group Clock Driver + * + * Copyright (C) 2022 Emil Renner Berthing + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include +#include +#include + +#include + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_STGCLK_OSC (JH7110_STGCLK_END + 0) +#define JH7110_STGCLK_HIFI4_CORE (JH7110_STGCLK_END + 1) +#define JH7110_STGCLK_STG_AXIAHB (JH7110_STGCLK_END + 2) +#define JH7110_STGCLK_USB_125M (JH7110_STGCLK_END + 3) +#define JH7110_STGCLK_CPU_BUS (JH7110_STGCLK_END + 4) +#define JH7110_STGCLK_HIFI4_AXI (JH7110_STGCLK_END + 5) +#define JH7110_STGCLK_NOCSTG_BUS (JH7110_STGCLK_END + 6) +#define JH7110_STGCLK_APB_BUS (JH7110_STGCLK_END + 7) +#define JH7110_STGCLK_EXT_END (JH7110_STGCLK_END + 8) + +static const struct jh71x0_clk_data jh7110_stgclk_data[] = { + /* hifi4 */ + JH71X0_GATE(JH7110_STGCLK_HIFI4_CLK_CORE, "hifi4_clk_core", 0, + JH7110_STGCLK_HIFI4_CORE), + /* usb */ + JH71X0_GATE(JH7110_STGCLK_USB0_APB, "usb0_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_USB0_UTMI_APB, "usb0_utmi_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_USB0_AXI, "usb0_axi", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GDIV(JH7110_STGCLK_USB0_LPM, "usb0_lpm", 0, 2, JH7110_STGCLK_OSC), + JH71X0_GDIV(JH7110_STGCLK_USB0_STB, "usb0_stb", 0, 4, JH7110_STGCLK_OSC), + JH71X0_GATE(JH7110_STGCLK_USB0_APP_125, "usb0_app_125", 0, JH7110_STGCLK_USB_125M), + JH71X0__DIV(JH7110_STGCLK_USB0_REFCLK, "usb0_refclk", 2, JH7110_STGCLK_OSC), + /* pci-e */ + JH71X0_GATE(JH7110_STGCLK_PCIE0_AXI_MST0, "pcie0_axi_mst0", 0, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE0_APB, "pcie0_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_PCIE0_TL, "pcie0_tl", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE1_AXI_MST0, "pcie1_axi_mst0", 0, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE1_APB, "pcie1_apb", 0, JH7110_STGCLK_APB_BUS), + JH71X0_GATE(JH7110_STGCLK_PCIE1_TL, "pcie1_tl", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_PCIE_SLV_MAIN, "pcie_slv_main", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + /* security */ + JH71X0_GATE(JH7110_STGCLK_SEC_AHB, "sec_ahb", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_SEC_MISC_AHB, "sec_misc_ahb", 0, JH7110_STGCLK_STG_AXIAHB), + /* stg mtrx */ + JH71X0_GATE(JH7110_STGCLK_GRP0_MAIN, "mtrx_grp0_main", CLK_IS_CRITICAL, + JH7110_STGCLK_CPU_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP0_BUS, "mtrx_grp0_bus", CLK_IS_CRITICAL, + JH7110_STGCLK_NOCSTG_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP0_STG, "mtrx_grp0_stg", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_GRP1_MAIN, "mtrx_grp1_main", CLK_IS_CRITICAL, + JH7110_STGCLK_CPU_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP1_BUS, "mtrx_grp1_bus", CLK_IS_CRITICAL, + JH7110_STGCLK_NOCSTG_BUS), + JH71X0_GATE(JH7110_STGCLK_GRP1_STG, "mtrx_grp1_stg", CLK_IS_CRITICAL, + JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_GRP1_HIFI, "mtrx_grp1_hifi", CLK_IS_CRITICAL, + JH7110_STGCLK_HIFI4_AXI), + /* e24_rvpi */ + JH71X0_GDIV(JH7110_STGCLK_E2_RTC, "e2_rtc", 0, 24, JH7110_STGCLK_OSC), + JH71X0_GATE(JH7110_STGCLK_E2_CORE, "e2_core", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_E2_DBG, "e2_dbg", 0, JH7110_STGCLK_STG_AXIAHB), + /* dw_sgdma1p */ + JH71X0_GATE(JH7110_STGCLK_DMA1P_AXI, "dma1p_axi", 0, JH7110_STGCLK_STG_AXIAHB), + JH71X0_GATE(JH7110_STGCLK_DMA1P_AHB, "dma1p_ahb", 0, JH7110_STGCLK_STG_AXIAHB), +}; + +static struct clk_hw *jh7110_stgclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_STGCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +static int jh7110_stgcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7110_STGCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + for (idx = 0; idx < JH7110_STGCLK_END; idx++) { + u32 max = jh7110_stgclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_stgclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_stgclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + const char *fw_name[JH7110_STGCLK_EXT_END - JH7110_STGCLK_END] = { + "osc", + "hifi4_core", + "stg_axiahb", + "usb_125m", + "cpu_bus", + "hifi4_axi", + "nocstg_bus", + "apb_bus" + }; + unsigned int i; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_stgclk_data[idx].parents[i]; + + if (pidx < JH7110_STGCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else if (pidx < JH7110_STGCLK_EXT_END) + parents[i].fw_name = fw_name[pidx - JH7110_STGCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + return ret; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_stgclk_get, priv); + if (ret) + return ret; + + return jh7110_reset_controller_register(priv, "rst-stg", 2); +} + +static const struct of_device_id jh7110_stgcrg_match[] = { + { .compatible = "starfive,jh7110-stgcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_stgcrg_match); + +static struct platform_driver jh7110_stgcrg_driver = { + .probe = jh7110_stgcrg_probe, + .driver = { + .name = "clk-starfive-jh7110-stg", + .of_match_table = jh7110_stgcrg_match, + }, +}; +module_platform_driver(jh7110_stgcrg_driver); + +MODULE_AUTHOR("Xingyu Wu "); +MODULE_AUTHOR("Emil Renner Berthing "); +MODULE_DESCRIPTION("StarFive JH7110 System-Top-Group clock driver"); +MODULE_LICENSE("GPL"); From patchwork Thu Jul 13 11:38:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311893 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09206C04FE2 for ; Thu, 13 Jul 2023 11:40:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234513AbjGMLji convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234390AbjGMLjP (ORCPT ); Thu, 13 Jul 2023 07:39:15 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8FA526BC; Thu, 13 Jul 2023 04:39:13 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 662008308; Thu, 13 Jul 2023 19:39:06 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:06 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:05 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 3/9] dt-bindings: clock: Add StarFive JH7110 Image-Signal-Process clock and reset generator Date: Thu, 13 Jul 2023 19:38:56 +0800 Message-ID: <20230713113902.56519-4-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add bindings for the Image-Signal-Process clock and reset generator (ISPCRG) on the JH7110 RISC-V SoC by StarFive Ltd. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Krzysztof Kozlowski Signed-off-by: Xingyu Wu --- .../clock/starfive,jh7110-ispcrg.yaml | 87 +++++++++++++++++++ .../dt-bindings/clock/starfive,jh7110-crg.h | 18 ++++ .../dt-bindings/reset/starfive,jh7110-crg.h | 16 ++++ 3 files changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml new file mode 100644 index 000000000000..3b8b85be5cd0 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-ispcrg.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-ispcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 Image-Signal-Process Clock and Reset Generator + +maintainers: + - Xingyu Wu + +properties: + compatible: + const: starfive,jh7110-ispcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: ISP Top core + - description: ISP Top Axi + - description: NOC ISP Bus + - description: external DVP + + clock-names: + items: + - const: isp_top_core + - const: isp_top_axi + - const: noc_bus_isp_axi + - const: dvp_clk + + resets: + items: + - description: ISP Top core + - description: ISP Top Axi + - description: NOC ISP Bus + + '#clock-cells': + const: 1 + description: + See for valid indices. + + '#reset-cells': + const: 1 + description: + See for valid indices. + + power-domains: + maxItems: 1 + description: + ISP domain power + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - '#clock-cells' + - '#reset-cells' + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + #include + + ispcrg: clock-controller@19810000 { + compatible = "starfive,jh7110-ispcrg"; + reg = <0x19810000 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_ISP_TOP_CORE>, + <&syscrg JH7110_SYSCLK_ISP_TOP_AXI>, + <&syscrg JH7110_SYSCLK_NOC_BUS_ISP_AXI>, + <&dvp_clk>; + clock-names = "isp_top_core", "isp_top_axi", + "noc_bus_isp_axi", "dvp_clk"; + resets = <&syscrg JH7110_SYSRST_ISP_TOP>, + <&syscrg JH7110_SYSRST_ISP_TOP_AXI>, + <&syscrg JH7110_SYSRST_NOC_BUS_ISP_AXI>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_ISP>; + }; diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h index 6c8e8b4cf1f6..39acf30db491 100644 --- a/include/dt-bindings/clock/starfive,jh7110-crg.h +++ b/include/dt-bindings/clock/starfive,jh7110-crg.h @@ -252,4 +252,22 @@ #define JH7110_STGCLK_END 29 +/* ISPCRG clocks */ +#define JH7110_ISPCLK_DOM4_APB_FUNC 0 +#define JH7110_ISPCLK_MIPI_RX0_PXL 1 +#define JH7110_ISPCLK_DVP_INV 2 +#define JH7110_ISPCLK_M31DPHY_CFG_IN 3 +#define JH7110_ISPCLK_M31DPHY_REF_IN 4 +#define JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0 5 +#define JH7110_ISPCLK_VIN_APB 6 +#define JH7110_ISPCLK_VIN_SYS 7 +#define JH7110_ISPCLK_VIN_PIXEL_IF0 8 +#define JH7110_ISPCLK_VIN_PIXEL_IF1 9 +#define JH7110_ISPCLK_VIN_PIXEL_IF2 10 +#define JH7110_ISPCLK_VIN_PIXEL_IF3 11 +#define JH7110_ISPCLK_VIN_P_AXI_WR 12 +#define JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C 13 + +#define JH7110_ISPCLK_END 14 + #endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */ diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h index 4e96ab81dd8e..2c5d9dcefffa 100644 --- a/include/dt-bindings/reset/starfive,jh7110-crg.h +++ b/include/dt-bindings/reset/starfive,jh7110-crg.h @@ -179,4 +179,20 @@ #define JH7110_STGRST_END 23 +/* ISPCRG resets */ +#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_P 0 +#define JH7110_ISPRST_ISPV2_TOP_WRAPPER_C 1 +#define JH7110_ISPRST_M31DPHY_HW 2 +#define JH7110_ISPRST_M31DPHY_B09_AON 3 +#define JH7110_ISPRST_VIN_APB 4 +#define JH7110_ISPRST_VIN_PIXEL_IF0 5 +#define JH7110_ISPRST_VIN_PIXEL_IF1 6 +#define JH7110_ISPRST_VIN_PIXEL_IF2 7 +#define JH7110_ISPRST_VIN_PIXEL_IF3 8 +#define JH7110_ISPRST_VIN_SYS 9 +#define JH7110_ISPRST_VIN_P_AXI_RD 10 +#define JH7110_ISPRST_VIN_P_AXI_WR 11 + +#define JH7110_ISPRST_END 12 + #endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */ From patchwork Thu Jul 13 11:38:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311888 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F201C04A94 for ; Thu, 13 Jul 2023 11:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234439AbjGMLjf convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234311AbjGMLjN (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 111192123; Thu, 13 Jul 2023 04:39:09 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 2C662831D; Thu, 13 Jul 2023 19:39:07 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:07 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:06 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 4/9] clk: starfive: Add StarFive JH7110 Image-Signal-Process clock driver Date: Thu, 13 Jul 2023 19:38:57 +0800 Message-ID: <20230713113902.56519-5-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add driver for the StarFive JH7110 Image-Signal-Process clock controller. And these clock controllers should power on and enable the clocks from SYSCRG before registering. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Hal Feng Signed-off-by: Xingyu Wu --- drivers/clk/starfive/Kconfig | 8 + drivers/clk/starfive/Makefile | 1 + .../clk/starfive/clk-starfive-jh7110-isp.c | 232 ++++++++++++++++++ drivers/clk/starfive/clk-starfive-jh7110.h | 6 + 4 files changed, 247 insertions(+) create mode 100644 drivers/clk/starfive/clk-starfive-jh7110-isp.c diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index eb1023b5e95a..13b4d08cbcd2 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -47,3 +47,11 @@ config CLK_STARFIVE_JH7110_STG help Say yes here to support the System-Top-Group clock controller on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_ISP + tristate "StarFive JH7110 Image-Signal-Process clock support" + depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU + default m if ARCH_STARFIVE + help + Say yes here to support the Image-Signal-Process clock controller + on the StarFive JH7110 SoC. diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index b81e97ee2659..76fb9f8d628b 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO) += clk-starfive-jh7100-audio.o obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o diff --git a/drivers/clk/starfive/clk-starfive-jh7110-isp.c b/drivers/clk/starfive/clk-starfive-jh7110-isp.c new file mode 100644 index 000000000000..ce034ed28532 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-isp.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 Image-Signal-Process Clock Driver + * + * Copyright (C) 2022-2023 StarFive Technology Co., Ltd. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_ISPCLK_ISP_TOP_CORE (JH7110_ISPCLK_END + 0) +#define JH7110_ISPCLK_ISP_TOP_AXI (JH7110_ISPCLK_END + 1) +#define JH7110_ISPCLK_NOC_BUS_ISP_AXI (JH7110_ISPCLK_END + 2) +#define JH7110_ISPCLK_DVP_CLK (JH7110_ISPCLK_END + 3) +#define JH7110_ISPCLK_EXT_END (JH7110_ISPCLK_END + 4) + +static struct clk_bulk_data jh7110_isp_top_clks[] = { + { .id = "isp_top_core" }, + { .id = "isp_top_axi" } +}; + +static const struct jh71x0_clk_data jh7110_ispclk_data[] = { + /* syscon */ + JH71X0__DIV(JH7110_ISPCLK_DOM4_APB_FUNC, "dom4_apb_func", 15, + JH7110_ISPCLK_ISP_TOP_AXI), + JH71X0__DIV(JH7110_ISPCLK_MIPI_RX0_PXL, "mipi_rx0_pxl", 8, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__INV(JH7110_ISPCLK_DVP_INV, "dvp_inv", JH7110_ISPCLK_DVP_CLK), + /* vin */ + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_CFG_IN, "m31dphy_cfg_in", 16, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_REF_IN, "m31dphy_ref_in", 16, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0__DIV(JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0, "m31dphy_tx_esc_lan0", 60, + JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0_GATE(JH7110_ISPCLK_VIN_APB, "vin_apb", 0, + JH7110_ISPCLK_DOM4_APB_FUNC), + JH71X0__DIV(JH7110_ISPCLK_VIN_SYS, "vin_sys", 8, JH7110_ISPCLK_ISP_TOP_CORE), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF0, "vin_pixel_if0", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF1, "vin_pixel_if1", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF2, "vin_pixel_if2", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF3, "vin_pixel_if3", 0, + JH7110_ISPCLK_MIPI_RX0_PXL), + JH71X0__MUX(JH7110_ISPCLK_VIN_P_AXI_WR, "vin_p_axi_wr", 2, + JH7110_ISPCLK_MIPI_RX0_PXL, + JH7110_ISPCLK_DVP_INV), + /* ispv2_top_wrapper */ + JH71X0_GMUX(JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C, "ispv2_top_wrapper_c", 0, 2, + JH7110_ISPCLK_MIPI_RX0_PXL, + JH7110_ISPCLK_DVP_INV), +}; + +static inline int jh7110_isp_top_rst_init(struct jh71x0_clk_priv *priv) +{ + struct reset_control *top_rsts; + + /* The resets should be shared and other ISP modules will use its. */ + top_rsts = devm_reset_control_array_get_shared(priv->dev); + if (IS_ERR(top_rsts)) + return dev_err_probe(priv->dev, PTR_ERR(top_rsts), + "failed to get top resets\n"); + + return reset_control_deassert(top_rsts); +} + +static struct clk_hw *jh7110_ispclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_ISPCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +#ifdef CONFIG_PM +static int jh7110_ispcrg_suspend(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks); + + return 0; +} + +static int jh7110_ispcrg_resume(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks); +} + +static const struct dev_pm_ops jh7110_ispcrg_pm_ops = { + RUNTIME_PM_OPS(jh7110_ispcrg_suspend, jh7110_ispcrg_resume, NULL) +}; +#endif + +static int jh7110_ispcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + struct jh7110_top_sysclk *top; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, + struct_size(priv, reg, JH7110_ISPCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL); + if (!top) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + top->top_clks = jh7110_isp_top_clks; + top->top_clks_num = ARRAY_SIZE(jh7110_isp_top_clks); + ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks); + if (ret) + return dev_err_probe(priv->dev, ret, "failed to get main clocks\n"); + dev_set_drvdata(priv->dev, top); + + /* enable power domain and clocks */ + pm_runtime_enable(priv->dev); + ret = pm_runtime_get_sync(priv->dev); + if (ret < 0) + return dev_err_probe(priv->dev, ret, "failed to turn on power\n"); + + ret = jh7110_isp_top_rst_init(priv); + if (ret) + goto err_exit; + + for (idx = 0; idx < JH7110_ISPCLK_END; idx++) { + u32 max = jh7110_ispclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_ispclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_ispclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + unsigned int i; + const char *fw_name[JH7110_ISPCLK_EXT_END - JH7110_ISPCLK_END] = { + "isp_top_core", + "isp_top_axi", + "noc_bus_isp_axi", + "dvp_clk" + }; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_ispclk_data[idx].parents[i]; + + if (pidx < JH7110_ISPCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else + parents[i].fw_name = fw_name[pidx - JH7110_ISPCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + goto err_exit; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_ispclk_get, priv); + if (ret) + goto err_exit; + + ret = jh7110_reset_controller_register(priv, "rst-isp", 3); + if (ret) + goto err_exit; + + return 0; + +err_exit: + pm_runtime_put_sync(priv->dev); + pm_runtime_disable(priv->dev); + return ret; +} + +static int jh7110_ispcrg_remove(struct platform_device *pdev) +{ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static const struct of_device_id jh7110_ispcrg_match[] = { + { .compatible = "starfive,jh7110-ispcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_ispcrg_match); + +static struct platform_driver jh7110_ispcrg_driver = { + .probe = jh7110_ispcrg_probe, + .remove = jh7110_ispcrg_remove, + .driver = { + .name = "clk-starfive-jh7110-isp", + .of_match_table = jh7110_ispcrg_match, + .pm = pm_ptr(&jh7110_ispcrg_pm_ops), + }, +}; +module_platform_driver(jh7110_ispcrg_driver); + +MODULE_AUTHOR("Xingyu Wu "); +MODULE_DESCRIPTION("StarFive JH7110 Image-Signal-Process clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/starfive/clk-starfive-jh7110.h b/drivers/clk/starfive/clk-starfive-jh7110.h index f29682b8d400..0659adae4d76 100644 --- a/drivers/clk/starfive/clk-starfive-jh7110.h +++ b/drivers/clk/starfive/clk-starfive-jh7110.h @@ -4,6 +4,12 @@ #include "clk-starfive-jh71x0.h" +/* top clocks of ISP/VOUT domain from JH7110 SYSCRG */ +struct jh7110_top_sysclk { + struct clk_bulk_data *top_clks; + int top_clks_num; +}; + int jh7110_reset_controller_register(struct jh71x0_clk_priv *priv, const char *adev_name, u32 adev_id); From patchwork Thu Jul 13 11:38:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311885 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71D01C001DF for ; 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Thu, 13 Jul 2023 19:39:07 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 5/9] dt-bindings: clock: Add StarFive JH7110 Video-Output clock and reset generator Date: Thu, 13 Jul 2023 19:38:58 +0800 Message-ID: <20230713113902.56519-6-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add bindings for the Video-Output clock and reset generator (VOUTCRG) on the JH7110 RISC-V SoC by StarFive Ltd. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Krzysztof Kozlowski Signed-off-by: Xingyu Wu --- .../clock/starfive,jh7110-voutcrg.yaml | 90 +++++++++++++++++++ .../dt-bindings/clock/starfive,jh7110-crg.h | 22 +++++ .../dt-bindings/reset/starfive,jh7110-crg.h | 16 ++++ 3 files changed, 128 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml new file mode 100644 index 000000000000..af77bd8c86b1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-voutcrg.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-voutcrg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 Video-Output Clock and Reset Generator + +maintainers: + - Xingyu Wu + +properties: + compatible: + const: starfive,jh7110-voutcrg + + reg: + maxItems: 1 + + clocks: + items: + - description: Vout Top core + - description: Vout Top Ahb + - description: Vout Top Axi + - description: Vout Top HDMI MCLK + - description: I2STX0 BCLK + - description: external HDMI pixel + + clock-names: + items: + - const: vout_src + - const: vout_top_ahb + - const: vout_top_axi + - const: vout_top_hdmitx0_mclk + - const: i2stx0_bclk + - const: hdmitx0_pixelclk + + resets: + maxItems: 1 + description: Vout Top core + + '#clock-cells': + const: 1 + description: + See for valid indices. + + '#reset-cells': + const: 1 + description: + See for valid indices. + + power-domains: + maxItems: 1 + description: + Vout domain power + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - '#clock-cells' + - '#reset-cells' + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + #include + + voutcrg: clock-controller@295C0000 { + compatible = "starfive,jh7110-voutcrg"; + reg = <0x295C0000 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_VOUT_SRC>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AHB>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AXI>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_HDMITX0_MCLK>, + <&syscrg JH7110_SYSCLK_I2STX0_BCLK>, + <&hdmitx0_pixelclk>; + clock-names = "vout_src", "vout_top_ahb", + "vout_top_axi", "vout_top_hdmitx0_mclk", + "i2stx0_bclk", "hdmitx0_pixelclk"; + resets = <&syscrg JH7110_SYSRST_VOUT_TOP_SRC>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_VOUT>; + }; diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h index 39acf30db491..016227c64a27 100644 --- a/include/dt-bindings/clock/starfive,jh7110-crg.h +++ b/include/dt-bindings/clock/starfive,jh7110-crg.h @@ -270,4 +270,26 @@ #define JH7110_ISPCLK_END 14 +/* VOUTCRG clocks */ +#define JH7110_VOUTCLK_APB 0 +#define JH7110_VOUTCLK_DC8200_PIX 1 +#define JH7110_VOUTCLK_DSI_SYS 2 +#define JH7110_VOUTCLK_TX_ESC 3 +#define JH7110_VOUTCLK_DC8200_AXI 4 +#define JH7110_VOUTCLK_DC8200_CORE 5 +#define JH7110_VOUTCLK_DC8200_AHB 6 +#define JH7110_VOUTCLK_DC8200_PIX0 7 +#define JH7110_VOUTCLK_DC8200_PIX1 8 +#define JH7110_VOUTCLK_DOM_VOUT_TOP_LCD 9 +#define JH7110_VOUTCLK_DSITX_APB 10 +#define JH7110_VOUTCLK_DSITX_SYS 11 +#define JH7110_VOUTCLK_DSITX_DPI 12 +#define JH7110_VOUTCLK_DSITX_TXESC 13 +#define JH7110_VOUTCLK_MIPITX_DPHY_TXESC 14 +#define JH7110_VOUTCLK_HDMI_TX_MCLK 15 +#define JH7110_VOUTCLK_HDMI_TX_BCLK 16 +#define JH7110_VOUTCLK_HDMI_TX_SYS 17 + +#define JH7110_VOUTCLK_END 18 + #endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */ diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h index 2c5d9dcefffa..eaf4a0d84f6a 100644 --- a/include/dt-bindings/reset/starfive,jh7110-crg.h +++ b/include/dt-bindings/reset/starfive,jh7110-crg.h @@ -195,4 +195,20 @@ #define JH7110_ISPRST_END 12 +/* VOUTCRG resets */ +#define JH7110_VOUTRST_DC8200_AXI 0 +#define JH7110_VOUTRST_DC8200_AHB 1 +#define JH7110_VOUTRST_DC8200_CORE 2 +#define JH7110_VOUTRST_DSITX_DPI 3 +#define JH7110_VOUTRST_DSITX_APB 4 +#define JH7110_VOUTRST_DSITX_RXESC 5 +#define JH7110_VOUTRST_DSITX_SYS 6 +#define JH7110_VOUTRST_DSITX_TXBYTEHS 7 +#define JH7110_VOUTRST_DSITX_TXESC 8 +#define JH7110_VOUTRST_HDMI_TX_HDMI 9 +#define JH7110_VOUTRST_MIPITX_DPHY_SYS 10 +#define JH7110_VOUTRST_MIPITX_DPHY_TXBYTEHS 11 + +#define JH7110_VOUTRST_END 12 + #endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */ From patchwork Thu Jul 13 11:38:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311891 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5082C04FE1 for ; Thu, 13 Jul 2023 11:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234481AbjGMLjg convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234331AbjGMLjN (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12EDE212D; Thu, 13 Jul 2023 04:39:10 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id A23A524E271; Thu, 13 Jul 2023 19:39:08 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:08 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:07 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 6/9] clk: starfive: Add StarFive JH7110 Video-Output clock driver Date: Thu, 13 Jul 2023 19:38:59 +0800 Message-ID: <20230713113902.56519-7-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add driver for the StarFive JH7110 Video-Output clock controller. And these clock controllers should power on and enable the clocks from SYSCRG first before registering. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Hal Feng Signed-off-by: Xingyu Wu --- drivers/clk/starfive/Kconfig | 8 + drivers/clk/starfive/Makefile | 1 + .../clk/starfive/clk-starfive-jh7110-vout.c | 239 ++++++++++++++++++ 3 files changed, 248 insertions(+) create mode 100644 drivers/clk/starfive/clk-starfive-jh7110-vout.c diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 13b4d08cbcd2..3fa983eb7d32 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -55,3 +55,11 @@ config CLK_STARFIVE_JH7110_ISP help Say yes here to support the Image-Signal-Process clock controller on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH7110_VOUT + tristate "StarFive JH7110 Video-Output clock support" + depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU + default m if ARCH_STARFIVE + help + Say yes here to support the Video-Output clock controller + on the StarFive JH7110 SoC. diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index 76fb9f8d628b..841377e45bb6 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT) += clk-starfive-jh7110-vout.o diff --git a/drivers/clk/starfive/clk-starfive-jh7110-vout.c b/drivers/clk/starfive/clk-starfive-jh7110-vout.c new file mode 100644 index 000000000000..10cc1ec43925 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-vout.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 Video-Output Clock Driver + * + * Copyright (C) 2022-2023 StarFive Technology Co., Ltd. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-starfive-jh7110.h" + +/* external clocks */ +#define JH7110_VOUTCLK_VOUT_SRC (JH7110_VOUTCLK_END + 0) +#define JH7110_VOUTCLK_VOUT_TOP_AHB (JH7110_VOUTCLK_END + 1) +#define JH7110_VOUTCLK_VOUT_TOP_AXI (JH7110_VOUTCLK_END + 2) +#define JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK (JH7110_VOUTCLK_END + 3) +#define JH7110_VOUTCLK_I2STX0_BCLK (JH7110_VOUTCLK_END + 4) +#define JH7110_VOUTCLK_HDMITX0_PIXELCLK (JH7110_VOUTCLK_END + 5) +#define JH7110_VOUTCLK_EXT_END (JH7110_VOUTCLK_END + 6) + +static struct clk_bulk_data jh7110_vout_top_clks[] = { + { .id = "vout_src" }, + { .id = "vout_top_ahb" } +}; + +static const struct jh71x0_clk_data jh7110_voutclk_data[] = { + /* divider */ + JH71X0__DIV(JH7110_VOUTCLK_APB, "apb", 8, JH7110_VOUTCLK_VOUT_TOP_AHB), + JH71X0__DIV(JH7110_VOUTCLK_DC8200_PIX, "dc8200_pix", 63, JH7110_VOUTCLK_VOUT_SRC), + JH71X0__DIV(JH7110_VOUTCLK_DSI_SYS, "dsi_sys", 31, JH7110_VOUTCLK_VOUT_SRC), + JH71X0__DIV(JH7110_VOUTCLK_TX_ESC, "tx_esc", 31, JH7110_VOUTCLK_VOUT_TOP_AHB), + /* dc8200 */ + JH71X0_GATE(JH7110_VOUTCLK_DC8200_AXI, "dc8200_axi", 0, JH7110_VOUTCLK_VOUT_TOP_AXI), + JH71X0_GATE(JH7110_VOUTCLK_DC8200_CORE, "dc8200_core", 0, JH7110_VOUTCLK_VOUT_TOP_AXI), + JH71X0_GATE(JH7110_VOUTCLK_DC8200_AHB, "dc8200_ahb", 0, JH7110_VOUTCLK_VOUT_TOP_AHB), + JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX0, "dc8200_pix0", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX1, "dc8200_pix1", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + /* LCD */ + JH71X0_GMUX(JH7110_VOUTCLK_DOM_VOUT_TOP_LCD, "dom_vout_top_lcd", 0, 2, + JH7110_VOUTCLK_DC8200_PIX0, + JH7110_VOUTCLK_DC8200_PIX1), + /* dsiTx */ + JH71X0_GATE(JH7110_VOUTCLK_DSITX_APB, "dsiTx_apb", 0, JH7110_VOUTCLK_DSI_SYS), + JH71X0_GATE(JH7110_VOUTCLK_DSITX_SYS, "dsiTx_sys", 0, JH7110_VOUTCLK_DSI_SYS), + JH71X0_GMUX(JH7110_VOUTCLK_DSITX_DPI, "dsiTx_dpi", 0, 2, + JH7110_VOUTCLK_DC8200_PIX, + JH7110_VOUTCLK_HDMITX0_PIXELCLK), + JH71X0_GATE(JH7110_VOUTCLK_DSITX_TXESC, "dsiTx_txesc", 0, JH7110_VOUTCLK_TX_ESC), + /* mipitx DPHY */ + JH71X0_GATE(JH7110_VOUTCLK_MIPITX_DPHY_TXESC, "mipitx_dphy_txesc", 0, + JH7110_VOUTCLK_TX_ESC), + /* hdmi */ + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_MCLK, "hdmi_tx_mclk", 0, + JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK), + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_BCLK, "hdmi_tx_bclk", 0, + JH7110_VOUTCLK_I2STX0_BCLK), + JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_SYS, "hdmi_tx_sys", 0, JH7110_VOUTCLK_APB), +}; + +static int jh7110_vout_top_rst_init(struct jh71x0_clk_priv *priv) +{ + struct reset_control *top_rst; + + /* The reset should be shared and other Vout modules will use its. */ + top_rst = devm_reset_control_get_shared(priv->dev, NULL); + if (IS_ERR(top_rst)) + return dev_err_probe(priv->dev, PTR_ERR(top_rst), "failed to get top reset\n"); + + return reset_control_deassert(top_rst); +} + +static struct clk_hw *jh7110_voutclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh71x0_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_VOUTCLK_END) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +#ifdef CONFIG_PM +static int jh7110_voutcrg_suspend(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks); + + return 0; +} + +static int jh7110_voutcrg_resume(struct device *dev) +{ + struct jh7110_top_sysclk *top = dev_get_drvdata(dev); + + return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks); +} + +static const struct dev_pm_ops jh7110_voutcrg_pm_ops = { + RUNTIME_PM_OPS(jh7110_voutcrg_suspend, jh7110_voutcrg_resume, NULL) +}; +#endif + +static int jh7110_voutcrg_probe(struct platform_device *pdev) +{ + struct jh71x0_clk_priv *priv; + struct jh7110_top_sysclk *top; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, + struct_size(priv, reg, JH7110_VOUTCLK_END), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL); + if (!top) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + top->top_clks = jh7110_vout_top_clks; + top->top_clks_num = ARRAY_SIZE(jh7110_vout_top_clks); + ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks); + if (ret) + return dev_err_probe(priv->dev, ret, "failed to get top clocks\n"); + dev_set_drvdata(priv->dev, top); + + /* enable power domain and clocks */ + pm_runtime_enable(priv->dev); + ret = pm_runtime_get_sync(priv->dev); + if (ret < 0) + return dev_err_probe(priv->dev, ret, "failed to turn on power\n"); + + ret = jh7110_vout_top_rst_init(priv); + if (ret) + goto err_exit; + + for (idx = 0; idx < JH7110_VOUTCLK_END; idx++) { + u32 max = jh7110_voutclk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh7110_voutclk_data[idx].name, + .ops = starfive_jh71x0_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1, + .flags = jh7110_voutclk_data[idx].flags, + }; + struct jh71x0_clk *clk = &priv->reg[idx]; + unsigned int i; + const char *fw_name[JH7110_VOUTCLK_EXT_END - JH7110_VOUTCLK_END] = { + "vout_src", + "vout_top_ahb", + "vout_top_axi", + "vout_top_hdmitx0_mclk", + "i2stx0_bclk", + "hdmitx0_pixelclk" + }; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh7110_voutclk_data[idx].parents[i]; + + if (pidx < JH7110_VOUTCLK_END) + parents[i].hw = &priv->reg[pidx].hw; + else if (pidx < JH7110_VOUTCLK_EXT_END) + parents[i].fw_name = fw_name[pidx - JH7110_VOUTCLK_END]; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & JH71X0_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + goto err_exit; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_voutclk_get, priv); + if (ret) + goto err_exit; + + ret = jh7110_reset_controller_register(priv, "rst-vo", 4); + if (ret) + goto err_exit; + + return 0; + +err_exit: + pm_runtime_put_sync(priv->dev); + pm_runtime_disable(priv->dev); + return ret; +} + +static int jh7110_voutcrg_remove(struct platform_device *pdev) +{ + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static const struct of_device_id jh7110_voutcrg_match[] = { + { .compatible = "starfive,jh7110-voutcrg" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_voutcrg_match); + +static struct platform_driver jh7110_voutcrg_driver = { + .probe = jh7110_voutcrg_probe, + .remove = jh7110_voutcrg_remove, + .driver = { + .name = "clk-starfive-jh7110-vout", + .of_match_table = jh7110_voutcrg_match, + .pm = pm_ptr(&jh7110_voutcrg_pm_ops), + }, +}; +module_platform_driver(jh7110_voutcrg_driver); + +MODULE_AUTHOR("Xingyu Wu "); +MODULE_DESCRIPTION("StarFive JH7110 Video-Output clock driver"); +MODULE_LICENSE("GPL"); From patchwork Thu Jul 13 11:39:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311886 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6E68C001DC for ; Thu, 13 Jul 2023 11:39:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234297AbjGMLjN convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234177AbjGMLjM (ORCPT ); Thu, 13 Jul 2023 07:39:12 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D324A1980; Thu, 13 Jul 2023 04:39:10 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 5EDEF8321; Thu, 13 Jul 2023 19:39:09 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:09 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:08 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 7/9] reset: starfive: jh7110: Add StarFive STG/ISP/VOUT resets support Date: Thu, 13 Jul 2023 19:39:00 +0800 Message-ID: <20230713113902.56519-8-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add new struct members and auxiliary_device_id of resets to support System-Top-Group, Image-Signal-Process and Video-Output on the StarFive JH7110 SoC. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Hal Feng Signed-off-by: Xingyu Wu --- .../reset/starfive/reset-starfive-jh7110.c | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/reset/starfive/reset-starfive-jh7110.c b/drivers/reset/starfive/reset-starfive-jh7110.c index 2d26ae95c8cc..29a43f0f2ad6 100644 --- a/drivers/reset/starfive/reset-starfive-jh7110.c +++ b/drivers/reset/starfive/reset-starfive-jh7110.c @@ -31,6 +31,24 @@ static const struct jh7110_reset_info jh7110_aon_info = { .status_offset = 0x3C, }; +static const struct jh7110_reset_info jh7110_stg_info = { + .nr_resets = JH7110_STGRST_END, + .assert_offset = 0x74, + .status_offset = 0x78, +}; + +static const struct jh7110_reset_info jh7110_isp_info = { + .nr_resets = JH7110_ISPRST_END, + .assert_offset = 0x38, + .status_offset = 0x3C, +}; + +static const struct jh7110_reset_info jh7110_vout_info = { + .nr_resets = JH7110_VOUTRST_END, + .assert_offset = 0x48, + .status_offset = 0x4C, +}; + static int jh7110_reset_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id) { @@ -58,6 +76,18 @@ static const struct auxiliary_device_id jh7110_reset_ids[] = { .name = "clk_starfive_jh7110_sys.rst-aon", .driver_data = (kernel_ulong_t)&jh7110_aon_info, }, + { + .name = "clk_starfive_jh7110_sys.rst-stg", + .driver_data = (kernel_ulong_t)&jh7110_stg_info, + }, + { + .name = "clk_starfive_jh7110_sys.rst-isp", + .driver_data = (kernel_ulong_t)&jh7110_isp_info, + }, + { + .name = "clk_starfive_jh7110_sys.rst-vo", + .driver_data = (kernel_ulong_t)&jh7110_vout_info, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(auxiliary, jh7110_reset_ids); From patchwork Thu Jul 13 11:39:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311892 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB3A3C05051 for ; Thu, 13 Jul 2023 11:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234497AbjGMLjh convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234264AbjGMLjN (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B34771FDB; Thu, 13 Jul 2023 04:39:11 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 293448322; Thu, 13 Jul 2023 19:39:10 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:10 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:09 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 8/9] riscv: dts: starfive: jh7110: Add DVP and HDMI TX pixel external clocks Date: Thu, 13 Jul 2023 19:39:01 +0800 Message-ID: <20230713113902.56519-9-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add DVP and HDMI TX pixel external fixed clocks and the rates are 74.25MHz and 297MHz. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Conor Dooley Signed-off-by: Xingyu Wu --- .../dts/starfive/jh7110-starfive-visionfive-2.dtsi | 8 ++++++++ arch/riscv/boot/dts/starfive/jh7110.dtsi | 12 ++++++++++++ 2 files changed, 20 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi index fa0061eb33a7..de0f40a8be93 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi @@ -38,6 +38,10 @@ gpio-restart { }; }; +&dvp_clk { + clock-frequency = <74250000>; +}; + &gmac0_rgmii_rxin { clock-frequency = <125000000>; }; @@ -54,6 +58,10 @@ &gmac1_rmii_refin { clock-frequency = <50000000>; }; +&hdmitx0_pixelclk { + clock-frequency = <297000000>; +}; + &i2srx_bclk_ext { clock-frequency = <12288000>; }; diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index ec2e70011a73..e9c1e4ad71a2 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -197,6 +197,12 @@ opp-1500000000 { }; }; + dvp_clk: dvp-clock { + compatible = "fixed-clock"; + clock-output-names = "dvp_clk"; + #clock-cells = <0>; + }; + gmac0_rgmii_rxin: gmac0-rgmii-rxin-clock { compatible = "fixed-clock"; clock-output-names = "gmac0_rgmii_rxin"; @@ -221,6 +227,12 @@ gmac1_rmii_refin: gmac1-rmii-refin-clock { #clock-cells = <0>; }; + hdmitx0_pixelclk: hdmitx0-pixel-clock { + compatible = "fixed-clock"; + clock-output-names = "hdmitx0_pixelclk"; + #clock-cells = <0>; + }; + i2srx_bclk_ext: i2srx-bclk-ext-clock { compatible = "fixed-clock"; clock-output-names = "i2srx_bclk_ext"; From patchwork Thu Jul 13 11:39:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13311889 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40172C001E0 for ; Thu, 13 Jul 2023 11:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233395AbjGMLjc convert rfc822-to-8bit (ORCPT ); Thu, 13 Jul 2023 07:39:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234332AbjGMLjN (ORCPT ); Thu, 13 Jul 2023 07:39:13 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69A1D26B5; Thu, 13 Jul 2023 04:39:12 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id E09C924E217; Thu, 13 Jul 2023 19:39:10 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:10 +0800 Received: from localhost.localdomain (183.27.98.46) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 13 Jul 2023 19:39:10 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Philipp Zabel" , Conor Dooley , "Emil Renner Berthing" CC: Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , , Subject: [PATCH v8 9/9] riscv: dts: starfive: jh7110: Add STGCRG/ISPCRG/VOUTCRG nodes Date: Thu, 13 Jul 2023 19:39:02 +0800 Message-ID: <20230713113902.56519-10-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713113902.56519-1-xingyu.wu@starfivetech.com> References: <20230713113902.56519-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.98.46] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add STGCRG/ISPCRG/VOUTCRG new node to support JH7110 System-Top-Group, Image-Signal-Process and Video-Output clock and reset drivers for the JH7110 RISC-V SoC. Acked-by: Palmer Dabbelt Reviewed-by: Emil Renner Berthing Reviewed-by: Conor Dooley Signed-off-by: Xingyu Wu --- arch/riscv/boot/dts/starfive/jh7110.dtsi | 55 ++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index e9c1e4ad71a2..0005fa163a78 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -6,6 +6,7 @@ /dts-v1/; #include +#include #include / { @@ -398,6 +399,25 @@ i2c2: i2c@10050000 { status = "disabled"; }; + stgcrg: clock-controller@10230000 { + compatible = "starfive,jh7110-stgcrg"; + reg = <0x0 0x10230000 0x0 0x10000>; + clocks = <&osc>, + <&syscrg JH7110_SYSCLK_HIFI4_CORE>, + <&syscrg JH7110_SYSCLK_STG_AXIAHB>, + <&syscrg JH7110_SYSCLK_USB_125M>, + <&syscrg JH7110_SYSCLK_CPU_BUS>, + <&syscrg JH7110_SYSCLK_HIFI4_AXI>, + <&syscrg JH7110_SYSCLK_NOCSTG_BUS>, + <&syscrg JH7110_SYSCLK_APB_BUS>; + clock-names = "osc", "hifi4_core", + "stg_axiahb", "usb_125m", + "cpu_bus", "hifi4_axi", + "nocstg_bus", "apb_bus"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + uart3: serial@12000000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x12000000 0x0 0x10000>; @@ -558,5 +578,40 @@ pwrc: power-controller@17030000 { interrupts = <111>; #power-domain-cells = <1>; }; + + ispcrg: clock-controller@19810000 { + compatible = "starfive,jh7110-ispcrg"; + reg = <0x0 0x19810000 0x0 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_ISP_TOP_CORE>, + <&syscrg JH7110_SYSCLK_ISP_TOP_AXI>, + <&syscrg JH7110_SYSCLK_NOC_BUS_ISP_AXI>, + <&dvp_clk>; + clock-names = "isp_top_core", "isp_top_axi", + "noc_bus_isp_axi", "dvp_clk"; + resets = <&syscrg JH7110_SYSRST_ISP_TOP>, + <&syscrg JH7110_SYSRST_ISP_TOP_AXI>, + <&syscrg JH7110_SYSRST_NOC_BUS_ISP_AXI>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_ISP>; + }; + + voutcrg: clock-controller@295c0000 { + compatible = "starfive,jh7110-voutcrg"; + reg = <0x0 0x295c0000 0x0 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_VOUT_SRC>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AHB>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_AXI>, + <&syscrg JH7110_SYSCLK_VOUT_TOP_HDMITX0_MCLK>, + <&syscrg JH7110_SYSCLK_I2STX0_BCLK>, + <&hdmitx0_pixelclk>; + clock-names = "vout_src", "vout_top_ahb", + "vout_top_axi", "vout_top_hdmitx0_mclk", + "i2stx0_bclk", "hdmitx0_pixelclk"; + resets = <&syscrg JH7110_SYSRST_VOUT_TOP_SRC>; + #clock-cells = <1>; + #reset-cells = <1>; + power-domains = <&pwrc JH7110_PD_VOUT>; + }; }; };