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Wed, 21 Nov 2018 14:12:42 +0000 From: Aisheng DONG To: "linux-clk@vger.kernel.org" Subject: [PATCH V8 7/7] clk: imx: add imx8qxp lpcg driver Thread-Topic: [PATCH V8 7/7] clk: imx: add imx8qxp lpcg driver Thread-Index: AQHUgaREVEw6/mH3o0GCvRv4pkBfoQ== Date: Wed, 21 Nov 2018 14:12:41 +0000 Message-ID: <1542809234-539-8-git-send-email-aisheng.dong@nxp.com> References: <1542809234-539-1-git-send-email-aisheng.dong@nxp.com> In-Reply-To: <1542809234-539-1-git-send-email-aisheng.dong@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0178.apcprd02.prod.outlook.com (2603:1096:201:21::14) To AM0PR04MB4211.eurprd04.prod.outlook.com (2603:10a6:208:66::21) authentication-results: spf=none (sender IP is ) smtp.mailfrom=aisheng.dong@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM0PR04MB5076; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB5076; H:AM0PR04MB4211.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: PiR0MsWkqYCmVyCaSMPfHnfu8cQNvGN+Mmk6RoYsCdoC+V6YsmNdIaewfboV0Mkj5QVP1Jozwf8K4ZDqhHZtk7pTc/yX793h0wVGM4D+qsKg0piXOUzA1Tb0JbDxO52VHrQCqbcYhvTc3fi2Nh9YtT4Ru2tUDOHkI/IdSfMDki+9cV1lfkpQPMud+UGU1Dw1A5iFG9BDmVc3thI/EvN2+FDi+cVq5llJrqkpWcwuegYRwlav/X3o/oZS1HuWU7x/Ri1S8WJhqqoCKKliiOVxdrtC7z1f1p1mnAfboMJ5r4dz654AvcZOyUGcJQobkup23vkPj/LxymEEToZEuKhRkYXkGbmTWJtX+pvOaX0fRQ4= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ac8832b9-e26e-4f63-c23d-08d64fbb6676 X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Nov 2018 14:12:42.0885 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5076 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181121_061300_488413_0C2F86F9 X-CRM114-Status: GOOD ( 17.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aisheng DONG , "sboyd@kernel.org" , "mturquette@baylibre.com" , dl-linux-imx , "kernel@pengutronix.de" , Fabio Estevam , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add imx8qxp lpcg driver support Cc: Stephen Boyd Cc: Shawn Guo Cc: Sascha Hauer Cc: Fabio Estevam Cc: Michael Turquette Signed-off-by: Dong Aisheng --- ChangeLog: v7->v8: * no changes v6->v7: * use resource_size() * add kernel doc for structs * Include this after and before locals * remove MODULE_ macros * add suppress_bind_attrs v6: * new patch, separate from scu gate driver --- drivers/clk/imx/Makefile | 2 +- drivers/clk/imx/clk-imx8qxp-lpcg.c | 216 +++++++++++++++++++++++++++++++++++++ drivers/clk/imx/clk-imx8qxp-lpcg.h | 102 ++++++++++++++++++ 3 files changed, 319 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/imx/clk-imx8qxp-lpcg.c create mode 100644 drivers/clk/imx/clk-imx8qxp-lpcg.h diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index cd2b6f0..96ab82b 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -32,4 +32,4 @@ obj-$(CONFIG_SOC_IMX6UL) += clk-imx6ul.o obj-$(CONFIG_SOC_IMX7D) += clk-imx7d.o obj-$(CONFIG_SOC_VF610) += clk-vf610.o -obj-$(CONFIG_SOC_IMX8QXP) += clk-imx8qxp.o +obj-$(CONFIG_SOC_IMX8QXP) += clk-imx8qxp.o clk-imx8qxp-lpcg.o diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c new file mode 100644 index 0000000..dcae1dd --- /dev/null +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c @@ -0,0 +1,216 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + * Dong Aisheng + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk-scu.h" +#include "clk-imx8qxp-lpcg.h" + +#include + +/* + * struct imx8qxp_lpcg_data - Description of one LPCG clock + * @id: clock ID + * @name: clock name + * @parent: parent clock name + * @flags: common clock flags + * @offset: offset of this LPCG clock + * @bit_idx: bit index of this LPCG clock + * @hw_gate: whether supports HW autogate + * + * This structure describes one LPCG clock + */ +struct imx8qxp_lpcg_data { + int id; + char *name; + char *parent; + unsigned long flags; + u32 offset; + u8 bit_idx; + bool hw_gate; +}; + +/* + * struct imx8qxp_ss_lpcg - Description of one subsystem LPCG clocks + * @lpcg: LPCG clocks array of one subsystem + * @num_lpcg: the number of LPCG clocks + * @num_max: the maximum number of LPCG clocks + * + * This structure describes each subsystem LPCG clocks information + * which then will be used to create respective LPCGs clocks + */ +struct imx8qxp_ss_lpcg { + const struct imx8qxp_lpcg_data *lpcg; + u8 num_lpcg; + u8 num_max; +}; + +static const struct imx8qxp_lpcg_data imx8qxp_lpcg_adma[] = { + { IMX8QXP_ADMA_LPCG_UART0_IPG_CLK, "uart0_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPUART_0_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_UART0_BAUD_CLK, "uart0_lpcg_baud_clk", "uart0_clk", 0, ADMA_LPUART_0_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_UART1_IPG_CLK, "uart1_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPUART_1_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_UART1_BAUD_CLK, "uart1_lpcg_baud_clk", "uart1_clk", 0, ADMA_LPUART_1_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_UART2_IPG_CLK, "uart2_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPUART_2_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_UART2_BAUD_CLK, "uart2_lpcg_baud_clk", "uart2_clk", 0, ADMA_LPUART_2_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_UART3_IPG_CLK, "uart3_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPUART_3_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_UART3_BAUD_CLK, "uart3_lpcg_baud_clk", "uart3_clk", 0, ADMA_LPUART_3_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_I2C0_IPG_CLK, "i2c0_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPI2C_0_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_I2C0_CLK, "i2c0_lpcg_clk", "i2c0_clk", 0, ADMA_LPI2C_0_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_I2C1_IPG_CLK, "i2c1_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPI2C_1_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_I2C1_CLK, "i2c1_lpcg_clk", "i2c1_clk", 0, ADMA_LPI2C_1_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_I2C2_IPG_CLK, "i2c2_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPI2C_2_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_I2C2_CLK, "i2c2_lpcg_clk", "i2c2_clk", 0, ADMA_LPI2C_2_LPCG, 0, 0, }, + { IMX8QXP_ADMA_LPCG_I2C3_IPG_CLK, "i2c3_lpcg_ipg_clk", "dma_ipg_clk_root", 0, ADMA_LPI2C_3_LPCG, 16, 0, }, + { IMX8QXP_ADMA_LPCG_I2C3_CLK, "i2c3_lpcg_clk", "i2c3_clk", 0, ADMA_LPI2C_3_LPCG, 0, 0, }, +}; + +static const struct imx8qxp_ss_lpcg imx8qxp_ss_adma = { + .lpcg = imx8qxp_lpcg_adma, + .num_lpcg = ARRAY_SIZE(imx8qxp_lpcg_adma), + .num_max = IMX8QXP_ADMA_LPCG_CLK_END, +}; + +static const struct imx8qxp_lpcg_data imx8qxp_lpcg_conn[] = { + { IMX8QXP_CONN_LPCG_SDHC0_PER_CLK, "sdhc0_lpcg_per_clk", "sdhc0_clk", 0, CONN_USDHC_0_LPCG, 0, 0, }, + { IMX8QXP_CONN_LPCG_SDHC0_IPG_CLK, "sdhc0_lpcg_ipg_clk", "conn_ipg_clk_root", 0, CONN_USDHC_0_LPCG, 16, 0, }, + { IMX8QXP_CONN_LPCG_SDHC0_HCLK, "sdhc0_lpcg_ahb_clk", "conn_axi_clk_root", 0, CONN_USDHC_0_LPCG, 20, 0, }, + { IMX8QXP_CONN_LPCG_SDHC1_PER_CLK, "sdhc1_lpcg_per_clk", "sdhc1_clk", 0, CONN_USDHC_1_LPCG, 0, 0, }, + { IMX8QXP_CONN_LPCG_SDHC1_IPG_CLK, "sdhc1_lpcg_ipg_clk", "conn_ipg_clk_root", 0, CONN_USDHC_1_LPCG, 16, 0, }, + { IMX8QXP_CONN_LPCG_SDHC1_HCLK, "sdhc1_lpcg_ahb_clk", "conn_axi_clk_root", 0, CONN_USDHC_1_LPCG, 20, 0, }, + { IMX8QXP_CONN_LPCG_SDHC2_PER_CLK, "sdhc2_lpcg_per_clk", "sdhc2_clk", 0, CONN_USDHC_2_LPCG, 0, 0, }, + { IMX8QXP_CONN_LPCG_SDHC2_IPG_CLK, "sdhc2_lpcg_ipg_clk", "conn_ipg_clk_root", 0, CONN_USDHC_2_LPCG, 16, 0, }, + { IMX8QXP_CONN_LPCG_SDHC2_HCLK, "sdhc2_lpcg_ahb_clk", "conn_axi_clk_root", 0, CONN_USDHC_2_LPCG, 20, 0, }, + { IMX8QXP_CONN_LPCG_ENET0_ROOT_CLK, "enet0_ipg_root_clk", "enet0_clk", 0, CONN_ENET_0_LPCG, 0, 0, }, + { IMX8QXP_CONN_LPCG_ENET0_TX_CLK, "enet0_tx_clk", "enet0_clk", 0, CONN_ENET_0_LPCG, 4, 0, }, + { IMX8QXP_CONN_LPCG_ENET0_AHB_CLK, "enet0_ahb_clk", "conn_axi_clk_root", 0, CONN_ENET_0_LPCG, 8, 0, }, + { IMX8QXP_CONN_LPCG_ENET0_IPG_S_CLK, "enet0_ipg_s_clk", "conn_ipg_clk_root", 0, CONN_ENET_0_LPCG, 20, 0, }, + { IMX8QXP_CONN_LPCG_ENET0_IPG_CLK, "enet0_ipg_clk", "enet0_ipg_s_clk", 0, CONN_ENET_0_LPCG, 16, 0, }, + { IMX8QXP_CONN_LPCG_ENET1_ROOT_CLK, "enet1_ipg_root_clk", "enet1_clk", 0, CONN_ENET_1_LPCG, 0, 0, }, + { IMX8QXP_CONN_LPCG_ENET1_TX_CLK, "enet1_tx_clk", "enet1_clk", 0, CONN_ENET_1_LPCG, 4, 0, }, + { IMX8QXP_CONN_LPCG_ENET1_AHB_CLK, "enet1_ahb_clk", "conn_axi_clk_root", 0, CONN_ENET_1_LPCG, 8, 0, }, + { IMX8QXP_CONN_LPCG_ENET1_IPG_S_CLK, "enet1_ipg_s_clk", "conn_ipg_clk_root", 0, CONN_ENET_1_LPCG, 20, 0, }, + { IMX8QXP_CONN_LPCG_ENET1_IPG_CLK, "enet1_ipg_clk", "enet0_ipg_s_clk", 0, CONN_ENET_1_LPCG, 16, 0, }, +}; + +static const struct imx8qxp_ss_lpcg imx8qxp_ss_conn = { + .lpcg = imx8qxp_lpcg_conn, + .num_lpcg = ARRAY_SIZE(imx8qxp_lpcg_conn), + .num_max = IMX8QXP_CONN_LPCG_CLK_END, +}; + +static const struct imx8qxp_lpcg_data imx8qxp_lpcg_lsio[] = { + { IMX8QXP_LSIO_LPCG_PWM0_IPG_CLK, "pwm0_lpcg_ipg_clk", "pwm0_clk", 0, LSIO_PWM_0_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM0_IPG_HF_CLK, "pwm0_lpcg_ipg_hf_clk", "pwm0_clk", 0, LSIO_PWM_0_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM0_IPG_S_CLK, "pwm0_lpcg_ipg_s_clk", "pwm0_clk", 0, LSIO_PWM_0_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM0_IPG_SLV_CLK, "pwm0_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_0_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM0_IPG_MSTR_CLK, "pwm0_lpcg_ipg_mstr_clk", "pwm0_clk", 0, LSIO_PWM_0_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM1_IPG_CLK, "pwm1_lpcg_ipg_clk", "pwm1_clk", 0, LSIO_PWM_1_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM1_IPG_HF_CLK, "pwm1_lpcg_ipg_hf_clk", "pwm1_clk", 0, LSIO_PWM_1_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM1_IPG_S_CLK, "pwm1_lpcg_ipg_s_clk", "pwm1_clk", 0, LSIO_PWM_1_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM1_IPG_SLV_CLK, "pwm1_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_1_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM1_IPG_MSTR_CLK, "pwm1_lpcg_ipg_mstr_clk", "pwm1_clk", 0, LSIO_PWM_1_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM2_IPG_CLK, "pwm2_lpcg_ipg_clk", "pwm2_clk", 0, LSIO_PWM_2_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM2_IPG_HF_CLK, "pwm2_lpcg_ipg_hf_clk", "pwm2_clk", 0, LSIO_PWM_2_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM2_IPG_S_CLK, "pwm2_lpcg_ipg_s_clk", "pwm2_clk", 0, LSIO_PWM_2_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM2_IPG_SLV_CLK, "pwm2_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_2_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM2_IPG_MSTR_CLK, "pwm2_lpcg_ipg_mstr_clk", "pwm2_clk", 0, LSIO_PWM_2_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM3_IPG_CLK, "pwm3_lpcg_ipg_clk", "pwm3_clk", 0, LSIO_PWM_3_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM3_IPG_HF_CLK, "pwm3_lpcg_ipg_hf_clk", "pwm3_clk", 0, LSIO_PWM_3_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM3_IPG_S_CLK, "pwm3_lpcg_ipg_s_clk", "pwm3_clk", 0, LSIO_PWM_3_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM3_IPG_SLV_CLK, "pwm3_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_3_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM3_IPG_MSTR_CLK, "pwm3_lpcg_ipg_mstr_clk", "pwm3_clk", 0, LSIO_PWM_3_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM4_IPG_CLK, "pwm4_lpcg_ipg_clk", "pwm4_clk", 0, LSIO_PWM_4_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM4_IPG_HF_CLK, "pwm4_lpcg_ipg_hf_clk", "pwm4_clk", 0, LSIO_PWM_4_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM4_IPG_S_CLK, "pwm4_lpcg_ipg_s_clk", "pwm4_clk", 0, LSIO_PWM_4_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM4_IPG_SLV_CLK, "pwm4_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_4_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM4_IPG_MSTR_CLK, "pwm4_lpcg_ipg_mstr_clk", "pwm4_clk", 0, LSIO_PWM_4_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM5_IPG_CLK, "pwm5_lpcg_ipg_clk", "pwm5_clk", 0, LSIO_PWM_5_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM5_IPG_HF_CLK, "pwm5_lpcg_ipg_hf_clk", "pwm5_clk", 0, LSIO_PWM_5_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM5_IPG_S_CLK, "pwm5_lpcg_ipg_s_clk", "pwm5_clk", 0, LSIO_PWM_5_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM5_IPG_SLV_CLK, "pwm5_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_5_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM5_IPG_MSTR_CLK, "pwm5_lpcg_ipg_mstr_clk", "pwm5_clk", 0, LSIO_PWM_5_LPCG, 24, 0, }, + { IMX8QXP_LSIO_LPCG_PWM6_IPG_CLK, "pwm6_lpcg_ipg_clk", "pwm6_clk", 0, LSIO_PWM_6_LPCG, 0, 0, }, + { IMX8QXP_LSIO_LPCG_PWM6_IPG_HF_CLK, "pwm6_lpcg_ipg_hf_clk", "pwm6_clk", 0, LSIO_PWM_6_LPCG, 4, 0, }, + { IMX8QXP_LSIO_LPCG_PWM6_IPG_S_CLK, "pwm6_lpcg_ipg_s_clk", "pwm6_clk", 0, LSIO_PWM_6_LPCG, 16, 0, }, + { IMX8QXP_LSIO_LPCG_PWM6_IPG_SLV_CLK, "pwm6_lpcg_ipg_slv_clk", "lsio_bus_clk_root", 0, LSIO_PWM_6_LPCG, 20, 0, }, + { IMX8QXP_LSIO_LPCG_PWM6_IPG_MSTR_CLK, "pwm6_lpcg_ipg_mstr_clk", "pwm6_clk", 0, LSIO_PWM_6_LPCG, 24, 0, }, +}; + +static const struct imx8qxp_ss_lpcg imx8qxp_ss_lsio = { + .lpcg = imx8qxp_lpcg_lsio, + .num_lpcg = ARRAY_SIZE(imx8qxp_lpcg_lsio), + .num_max = IMX8QXP_LSIO_LPCG_CLK_END, +}; + +static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct clk_hw_onecell_data *clk_data; + const struct imx8qxp_ss_lpcg *ss_lpcg; + const struct imx8qxp_lpcg_data *lpcg; + struct resource *res; + struct clk_hw **clks; + void __iomem *base; + int i; + + ss_lpcg = of_device_get_match_data(dev); + if (!ss_lpcg) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap(dev, res->start, resource_size(res)); + if (!base) + return -ENOMEM; + + clk_data = devm_kzalloc(&pdev->dev, struct_size(clk_data, hws, + ss_lpcg->num_max), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clk_data->num = ss_lpcg->num_max; + clks = clk_data->hws; + + for (i = 0; i < ss_lpcg->num_lpcg; i++) { + lpcg = ss_lpcg->lpcg + i; + clks[lpcg->id] = imx_clk_lpcg_scu(lpcg->name, lpcg->parent, + lpcg->flags, base + lpcg->offset, + lpcg->bit_idx, lpcg->hw_gate); + } + + for (i = 0; i < clk_data->num; i++) { + if (IS_ERR(clks[i])) + pr_warn("i.MX clk %u: register failed with %ld\n", + i, PTR_ERR(clks[i])); + } + + return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); +} + +static const struct of_device_id imx8qxp_lpcg_match[] = { + { .compatible = "fsl,imx8qxp-lpcg-adma", &imx8qxp_ss_adma, }, + { .compatible = "fsl,imx8qxp-lpcg-conn", &imx8qxp_ss_conn, }, + { .compatible = "fsl,imx8qxp-lpcg-lsio", &imx8qxp_ss_lsio, }, + { /* sentinel */ } +}; + +static struct platform_driver imx8qxp_lpcg_clk_driver = { + .driver = { + .name = "imx8qxp-lpcg-clk", + .of_match_table = imx8qxp_lpcg_match, + .suppress_bind_attrs = true, + }, + .probe = imx8qxp_lpcg_clk_probe, +}; + +builtin_platform_driver(imx8qxp_lpcg_clk_driver); diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.h b/drivers/clk/imx/clk-imx8qxp-lpcg.h new file mode 100644 index 0000000..2a37ce5 --- /dev/null +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2018 NXP + * Dong Aisheng + */ + +#ifndef _IMX8QXP_LPCG_H +#define _IMX8QXP_LPCG_H + +/*LSIO SS */ +#define LSIO_PWM_0_LPCG 0x00000 +#define LSIO_PWM_1_LPCG 0x10000 +#define LSIO_PWM_2_LPCG 0x20000 +#define LSIO_PWM_3_LPCG 0x30000 +#define LSIO_PWM_4_LPCG 0x40000 +#define LSIO_PWM_5_LPCG 0x50000 +#define LSIO_PWM_6_LPCG 0x60000 +#define LSIO_PWM_7_LPCG 0x70000 +#define LSIO_GPIO_0_LPCG 0x80000 +#define LSIO_GPIO_1_LPCG 0x90000 +#define LSIO_GPIO_2_LPCG 0xa0000 +#define LSIO_GPIO_3_LPCG 0xb0000 +#define LSIO_GPIO_4_LPCG 0xc0000 +#define LSIO_GPIO_5_LPCG 0xd0000 +#define LSIO_GPIO_6_LPCG 0xe0000 +#define LSIO_GPIO_7_LPCG 0xf0000 +#define LSIO_FSPI_0_LPCG 0x120000 +#define LSIO_FSPI_1_LPCG 0x130000 +#define LSIO_GPT_0_LPCG 0x140000 +#define LSIO_GPT_1_LPCG 0x150000 +#define LSIO_GPT_2_LPCG 0x160000 +#define LSIO_GPT_3_LPCG 0x170000 +#define LSIO_GPT_4_LPCG 0x180000 +#define LSIO_OCRAM_LPCG 0x190000 +#define LSIO_KPP_LPCG 0x1a0000 +#define LSIO_ROMCP_LPCG 0x100000 + +/* Connectivity SS */ +#define CONN_USDHC_0_LPCG 0x00000 +#define CONN_USDHC_1_LPCG 0x10000 +#define CONN_USDHC_2_LPCG 0x20000 +#define CONN_ENET_0_LPCG 0x30000 +#define CONN_ENET_1_LPCG 0x40000 +#define CONN_DTCP_LPCG 0x50000 +#define CONN_MLB_LPCG 0x60000 +#define CONN_USB_2_LPCG 0x70000 +#define CONN_USB_3_LPCG 0x80000 +#define CONN_NAND_LPCG 0x90000 +#define CONN_EDMA_LPCG 0xa0000 + +/* ADMA SS */ +#define ADMA_ASRC_0_LPCG 0x400000 +#define ADMA_ESAI_0_LPCG 0x410000 +#define ADMA_SPDIF_0_LPCG 0x420000 +#define ADMA_SAI_0_LPCG 0x440000 +#define ADMA_SAI_1_LPCG 0x450000 +#define ADMA_SAI_2_LPCG 0x460000 +#define ADMA_SAI_3_LPCG 0x470000 +#define ADMA_GPT_5_LPCG 0x4b0000 +#define ADMA_GPT_6_LPCG 0x4c0000 +#define ADMA_GPT_7_LPCG 0x4d0000 +#define ADMA_GPT_8_LPCG 0x4e0000 +#define ADMA_GPT_9_LPCG 0x4f0000 +#define ADMA_GPT_10_LPCG 0x500000 +#define ADMA_HIFI_LPCG 0x580000 +#define ADMA_OCRAM_LPCG 0x590000 +#define ADMA_EDMA_0_LPCG 0x5f0000 +#define ADMA_ASRC_1_LPCG 0xc00000 +#define ADMA_SAI_4_LPCG 0xc20000 +#define ADMA_SAI_5_LPCG 0xc30000 +#define ADMA_AMIX_LPCG 0xc40000 +#define ADMA_MQS_LPCG 0xc50000 +#define ADMA_ACM_LPCG 0xc60000 +#define ADMA_REC_CLK0_LPCG 0xd00000 +#define ADMA_REC_CLK1_LPCG 0xd10000 +#define ADMA_PLL_CLK0_LPCG 0xd20000 +#define ADMA_PLL_CLK1_LPCG 0xd30000 +#define ADMA_MCLKOUT0_LPCG 0xd50000 +#define ADMA_MCLKOUT1_LPCG 0xd60000 +#define ADMA_EDMA_1_LPCG 0xdf0000 +#define ADMA_LPSPI_0_LPCG 0x1400000 +#define ADMA_LPSPI_1_LPCG 0x1410000 +#define ADMA_LPSPI_2_LPCG 0x1420000 +#define ADMA_LPSPI_3_LPCG 0x1430000 +#define ADMA_LPUART_0_LPCG 0x1460000 +#define ADMA_LPUART_1_LPCG 0x1470000 +#define ADMA_LPUART_2_LPCG 0x1480000 +#define ADMA_LPUART_3_LPCG 0x1490000 +#define ADMA_LCD_LPCG 0x1580000 +#define ADMA_PWM_LPCG 0x1590000 +#define ADMA_LPI2C_0_LPCG 0x1c00000 +#define ADMA_LPI2C_1_LPCG 0x1c10000 +#define ADMA_LPI2C_2_LPCG 0x1c20000 +#define ADMA_LPI2C_3_LPCG 0x1c30000 +#define ADMA_ADC_0_LPCG 0x1c80000 +#define ADMA_FTM_0_LPCG 0x1ca0000 +#define ADMA_FTM_1_LPCG 0x1cb0000 +#define ADMA_FLEXCAN_0_LPCG 0x1cd0000 +#define ADMA_FLEXCAN_1_LPCG 0x1ce0000 +#define ADMA_FLEXCAN_2_LPCG 0x1cf0000 + +#endif /* _IMX8QXP_LPCG_H */