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Mon, 1 Apr 2024 13:20:27 +0000 From: "Peng Fan (OSS)" Date: Mon, 01 Apr 2024 21:28:15 +0800 Subject: [PATCH v6 1/4] dt-bindings: clock: add i.MX95 clock header Message-Id: <20240401-imx95-blk-ctl-v6-1-84d4eca1e759@nxp.com> References: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> In-Reply-To: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Abel Vesa Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711978117; l=1306; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=qWBlv66LWHeC+HVqzW36n+KByGWsiUyQrMNdCkAtaCA=; b=SPMBWNNa1CIAM+womM5Co/LDN4Jd8wZYaEZqmoWeGxfGODVGKuyFxr39IhWQ6iz3IQpXF7XSx xtUWPBoHnEPA+CS4h3ki1aJce0V4BZK++0WXUjSQEf4iEyF+lcbxc8w X-Developer-Key: i=peng.fan@nxp.com; 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Reviewed-by: Krzysztof Kozlowski Signed-off-by: Peng Fan --- .../bindings/clock/nxp,imx95-blk-ctl.yaml | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml new file mode 100644 index 000000000000..2dffc02dcd8b --- /dev/null +++ b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/nxp,imx95-blk-ctl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX95 Block Control + +maintainers: + - Peng Fan + +properties: + compatible: + items: + - enum: + - nxp,imx95-lvds-csr + - nxp,imx95-display-csr + - nxp,imx95-camera-csr + - nxp,imx95-vpu-csr + - const: syscon + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + maxItems: 1 + + '#clock-cells': + const: 1 + description: + The clock consumer should specify the desired clock by having the clock + ID in its "clocks" phandle cell. See + include/dt-bindings/clock/nxp,imx95-clock.h + +required: + - compatible + - reg + - '#clock-cells' + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + syscon@4c410000 { + compatible = "nxp,imx95-vpu-csr", "syscon"; + reg = <0x4c410000 0x10000>; + #clock-cells = <1>; + clocks = <&scmi_clk 114>; + power-domains = <&scmi_devpd 21>; + }; +... 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Mon, 1 Apr 2024 13:20:37 +0000 From: "Peng Fan (OSS)" Date: Mon, 01 Apr 2024 21:28:17 +0800 Subject: [PATCH v6 3/4] dt-bindings: clock: support i.MX95 Display Master CSR module Message-Id: <20240401-imx95-blk-ctl-v6-3-84d4eca1e759@nxp.com> References: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> In-Reply-To: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Abel Vesa Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan , Krzysztof Kozlowski X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711978117; l=2194; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=SqNrvMy0o3qfLIxaorniLsoCwbZbaByT+N0zVp3UJpI=; b=yDRaY3CwXqKVhVmwCjceH7fIgTZiXxSvpkuqO39D91s+23cksgzj73ToIelBHZjBYyaaAB6AX Cp9WhFCBw25CMYR3iaI4sFoCn7bDwtJcHDl6aLcjgo5XIikAlf+6M9L X-Developer-Key: i=peng.fan@nxp.com; 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Add dt-schema for it. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Peng Fan --- .../clock/nxp,imx95-display-master-csr.yaml | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/nxp,imx95-display-master-csr.yaml b/Documentation/devicetree/bindings/clock/nxp,imx95-display-master-csr.yaml new file mode 100644 index 000000000000..07f7412e7658 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/nxp,imx95-display-master-csr.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/nxp,imx95-display-master-csr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX95 Display Master Block Control + +maintainers: + - Peng Fan + +properties: + compatible: + items: + - const: nxp,imx95-display-master-csr + - const: syscon + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + maxItems: 1 + + '#clock-cells': + const: 1 + description: + The clock consumer should specify the desired clock by having the clock + ID in its "clocks" phandle cell. See + include/dt-bindings/clock/nxp,imx95-clock.h + + mux-controller: + type: object + $ref: /schemas/mux/reg-mux.yaml + +required: + - compatible + - reg + - '#clock-cells' + - mux-controller + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + syscon@4c410000 { + compatible = "nxp,imx95-display-master-csr", "syscon"; + reg = <0x4c410000 0x10000>; + #clock-cells = <1>; + clocks = <&scmi_clk 62>; + power-domains = <&scmi_devpd 3>; + + mux: mux-controller { + compatible = "mmio-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x4 0x00000001>; /* Pixel_link_sel */ + idle-states = <0>; + }; + }; +... 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Mon, 1 Apr 2024 13:20:41 +0000 From: "Peng Fan (OSS)" Date: Mon, 01 Apr 2024 21:28:18 +0800 Subject: [PATCH v6 4/4] clk: imx: add i.MX95 BLK CTL clk driver Message-Id: <20240401-imx95-blk-ctl-v6-4-84d4eca1e759@nxp.com> References: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> In-Reply-To: <20240401-imx95-blk-ctl-v6-0-84d4eca1e759@nxp.com> To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Abel Vesa Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711978117; l=13494; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=xzv7F5B5CXm1dZs8nwLHMmANyW/2UzYOiOTIeUWzojA=; b=iwBthqUbA2XjKDMrLkUb86eUUZ9Slw5TBYrz+xaNG0ykqEXd1AXiYvtNywtEtLfo7Zn37kUYd AXt3wjelrnACCgKH8f/FE3huchuVnmyUpYUtFL4Y0Vo03kI0cuT3ne0 X-Developer-Key: i=peng.fan@nxp.com; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?RXOVzKX2jTBb+oorJHgbfZISNncc?= =?utf-8?q?pMe212vbjaksEdQGTWBF28qLutgPXUM61i0JxhdJcM+xsh1S9EjODiAdF+ArqJwyQ?= =?utf-8?q?MYXUSENT4i/8gtauWX/Pq4HCQgC2hYfKfJo9uNP9sqlKq6QkNZmCK5pO2CTarbmKB?= =?utf-8?q?pzCmCSq2ryaowjJFdU76rQqeqZPuosrlXMdAqui8IOY5xX/0hmZ5mFA42bdJGuzu3?= =?utf-8?q?sTvw35LI5kGpg7G+ua2njKfy1/8EuPBW+2MKkwLXXPwQS2ZqXFuYeWARkCEXBVcjs?= =?utf-8?q?DGuvrL4ORXAHNt98dLXpprixF253tu9rCuTHFjWn57ZJ0Lin++i2c+cY3bwMC4/M7?= =?utf-8?q?7By0is4bNAMU25btb9WvzlUVIXK3gQvlsZZia/6nh2fvefibBH5qheDxSY9qO3UoF?= =?utf-8?q?9SehAJE4C4oqt/GMBbQFYyUbV4USZ19IlyPddZ8eqU5fA0jjLFlPmf/MYr5zX+RxM?= =?utf-8?q?pM6OD3cn6LR3SLorDIGxVyMX/TfcvSGzqbG+X3GdFeqGXrQtCr68pByWvIyRp5mKe?= =?utf-8?q?CXQbB1wCfV7iZcEmwWocWp3wvLPqZcXmp/igo3/ie+OF3j4TXxdJ+uamEyB51RYSp?= =?utf-8?q?3brh+A3iQmBqF8PS77+0yHz9aBwFTEpVvBQJSLWtMDK84f4B5X+uJFlYQI0AKfTt4?= =?utf-8?q?YS2i1QfoD5tEOPcH6+0Ee03NXocPatGyXumTr5YUm4VRStmyPjre6yXmuf9iMkARr?= =?utf-8?q?yky8hLSu1/FmQqKr8uGHT7gxv6GA7NZdYlPZbKH81dHftqMGv7YXhMNh+6Js1shTa?= =?utf-8?q?0yCGtZKwSqw46iY6fp4Iq1d06XTPYv63yNK+LKEgEz9pf+pV+BBXjuHhAvWeRrrd8?= =?utf-8?q?zuAwjUpR7/K0cM1H7lF/FofHGdlje7yzMsfBTmEaa1sikfPfC0cJf37wgU7sio7qz?= =?utf-8?q?E2fJlTDv9hmcQx/Dw1HD/Id7c+Oyg/oFQx/JMHIcC0CYCQ3RB8nXFqyk/Y4HvIK6J?= =?utf-8?q?qLtNHUCiHas5nmmsL3xRf4b+pTHBU3XmMBHFwcZWEmghuGBfjGaFXY8bhBwYLwIPf?= =?utf-8?q?NTs1/0p1DkrKcm14Wo2jtKoq3+b68tuN0nXxm23/aCSQIKHozRzN6IofbBlihxuGb?= =?utf-8?q?x2s6KpYrd+6roL4JyWV9k+g4iPcY25HKbHibvdKQXK3qIRi8PASXaiPOUDC5FHHZI?= =?utf-8?q?j1ecnLsu0XVOa1h0gxqFrZVDzrFazGb5Zx01SWElH/jLxaRbSmUSMQtjK5GA6Ry0y?= =?utf-8?q?JIL5Iw8HbNMJk3sQXcpqepDo7fTlCOLPrS+a2iWhAztgj4+9hLNpasrMotsMT4cpS?= =?utf-8?q?KmEiuwyYsyiYuYuR8ZGnMmjYLpjV0MLBbqbUUVDTD9gUYkzRm74V6t3CTf6jDW8NF?= =?utf-8?q?/QXtf38D+H2vKiyOaeVmIOraMnsRW0enhKMd/bTVTiWwzonGSwBDFaI5+xqtTj1LX?= =?utf-8?q?IBT0+SCSjZrqSEvzS67W618HJzH1KLEO2ycp1K+dp3Ir9n5Jcn8VQZhJey1F4w9a+?= =?utf-8?q?cTkplKk+ZfsbVJCg4oNVaCKJyDO4nCGE1yard42qr5/Kc8LLS01sRchLR3IgsKvEP?= =?utf-8?q?ytJ0+KGA1+5/?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 324bb192-7bc7-4436-2da6-08dc524e87c0 X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Apr 2024 13:20:41.8932 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: zoazbPYRsFOvNVex++zxiZqza9wSMAdDHCXZ/XMB9cFR/0TITXJ6pdze/HNlL6bhyhj58L2G5FW/rH9XT/jn4g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8766 From: Peng Fan i.MX95 has BLK CTL modules in various MIXes, the BLK CTL modules support clock features such as mux/gate/div. This patch is to add the clock feature of BLK CTL modules Signed-off-by: Peng Fan Reviewed-by: Abel Vesa --- drivers/clk/imx/Kconfig | 7 + drivers/clk/imx/Makefile | 1 + drivers/clk/imx/clk-imx95-blk-ctl.c | 438 ++++++++++++++++++++++++++++++++++++ 3 files changed, 446 insertions(+) diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index db3bca5f4ec9..6da0fba68225 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -114,6 +114,13 @@ config CLK_IMX93 help Build the driver for i.MX93 CCM Clock Driver +config CLK_IMX95_BLK_CTL + tristate "IMX95 Clock Driver for BLK CTL" + depends on ARCH_MXC || COMPILE_TEST + select MXC_CLK + help + Build the clock driver for i.MX95 BLK CTL + config CLK_IMXRT1050 tristate "IMXRT1050 CCM Clock Driver" depends on SOC_IMXRT || COMPILE_TEST diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index d4b8e10b1970..03f2b2a1ab63 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_CLK_IMX8MP) += clk-imx8mp.o clk-imx8mp-audiomix.o obj-$(CONFIG_CLK_IMX8MQ) += clk-imx8mq.o obj-$(CONFIG_CLK_IMX93) += clk-imx93.o +obj-$(CONFIG_CLK_IMX95_BLK_CTL) += clk-imx95-blk-ctl.o obj-$(CONFIG_MXC_CLK_SCU) += clk-imx-scu.o clk-imx-lpcg-scu.o clk-imx-acm.o clk-imx-scu-$(CONFIG_CLK_IMX8QXP) += clk-scu.o clk-imx8qxp.o \ diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c new file mode 100644 index 000000000000..74f595f9e5e3 --- /dev/null +++ b/drivers/clk/imx/clk-imx95-blk-ctl.c @@ -0,0 +1,438 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum { + CLK_GATE, + CLK_DIVIDER, + CLK_MUX, +}; + +struct imx95_blk_ctl { + struct device *dev; + spinlock_t lock; + struct clk *clk_apb; + + void __iomem *base; + /* clock gate register */ + u32 clk_reg_restore; +}; + +struct imx95_blk_ctl_clk_dev_data { + const char *name; + const char * const *parent_names; + u32 num_parents; + u32 reg; + u32 bit_idx; + u32 bit_width; + u32 clk_type; + u32 flags; + u32 flags2; + u32 type; +}; + +struct imx95_blk_ctl_dev_data { + const struct imx95_blk_ctl_clk_dev_data *clk_dev_data; + u32 num_clks; + bool rpm_enabled; + u32 clk_reg_offset; +}; + +static const struct imx95_blk_ctl_clk_dev_data vpublk_clk_dev_data[] = { + [IMX95_CLK_VPUBLK_WAVE] = { + .name = "vpublk_wave_vpu", + .parent_names = (const char *[]){ "vpu", }, + .num_parents = 1, + .reg = 8, + .bit_idx = 0, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_VPUBLK_JPEG_ENC] = { + .name = "vpublk_jpeg_enc", + .parent_names = (const char *[]){ "vpujpeg", }, + .num_parents = 1, + .reg = 8, + .bit_idx = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_VPUBLK_JPEG_DEC] = { + .name = "vpublk_jpeg_dec", + .parent_names = (const char *[]){ "vpujpeg", }, + .num_parents = 1, + .reg = 8, + .bit_idx = 2, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + } +}; + +static const struct imx95_blk_ctl_dev_data vpublk_dev_data = { + .num_clks = ARRAY_SIZE(vpublk_clk_dev_data), + .clk_dev_data = vpublk_clk_dev_data, + .rpm_enabled = true, + .clk_reg_offset = 8, +}; + +static const struct imx95_blk_ctl_clk_dev_data camblk_clk_dev_data[] = { + [IMX95_CLK_CAMBLK_CSI2_FOR0] = { + .name = "camblk_csi2_for0", + .parent_names = (const char *[]){ "camisi", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 0, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_CAMBLK_CSI2_FOR1] = { + .name = "camblk_csi2_for1", + .parent_names = (const char *[]){ "camisi", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_CAMBLK_ISP_AXI] = { + .name = "camblk_isp_axi", + .parent_names = (const char *[]){ "camaxi", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 4, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_CAMBLK_ISP_PIXEL] = { + .name = "camblk_isp_pixel", + .parent_names = (const char *[]){ "camisi", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 5, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_CAMBLK_ISP] = { + .name = "camblk_isp", + .parent_names = (const char *[]){ "camisi", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 6, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + } +}; + +static const struct imx95_blk_ctl_dev_data camblk_dev_data = { + .num_clks = ARRAY_SIZE(camblk_clk_dev_data), + .clk_dev_data = camblk_clk_dev_data, + .clk_reg_offset = 0, +}; + +static const struct imx95_blk_ctl_clk_dev_data lvds_clk_dev_data[] = { + [IMX95_CLK_DISPMIX_LVDS_PHY_DIV] = { + .name = "ldb_phy_div", + .parent_names = (const char *[]){ "ldbpll", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 0, + .bit_width = 1, + .type = CLK_DIVIDER, + .flags2 = CLK_DIVIDER_POWER_OF_TWO, + }, + [IMX95_CLK_DISPMIX_LVDS_CH0_GATE] = { + .name = "lvds_ch0_gate", + .parent_names = (const char *[]){ "ldb_phy_div", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 1, + .bit_width = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_DISPMIX_LVDS_CH1_GATE] = { + .name = "lvds_ch1_gate", + .parent_names = (const char *[]){ "ldb_phy_div", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 2, + .bit_width = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_DISPMIX_PIX_DI0_GATE] = { + .name = "lvds_di0_gate", + .parent_names = (const char *[]){ "ldb_pll_div7", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 3, + .bit_width = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, + [IMX95_CLK_DISPMIX_PIX_DI1_GATE] = { + .name = "lvds_di1_gate", + .parent_names = (const char *[]){ "ldb_pll_div7", }, + .num_parents = 1, + .reg = 0, + .bit_idx = 4, + .bit_width = 1, + .type = CLK_GATE, + .flags = CLK_SET_RATE_PARENT, + .flags2 = CLK_GATE_SET_TO_DISABLE, + }, +}; + +static const struct imx95_blk_ctl_dev_data lvds_csr_dev_data = { + .num_clks = ARRAY_SIZE(lvds_clk_dev_data), + .clk_dev_data = lvds_clk_dev_data, + .clk_reg_offset = 0, +}; + +static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = { + [IMX95_CLK_DISPMIX_ENG0_SEL] = { + .name = "disp_engine0_sel", + .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", }, + .num_parents = 4, + .reg = 0, + .bit_idx = 0, + .bit_width = 2, + .type = CLK_MUX, + .flags = CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, + }, + [IMX95_CLK_DISPMIX_ENG1_SEL] = { + .name = "disp_engine1_sel", + .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", }, + .num_parents = 4, + .reg = 0, + .bit_idx = 2, + .bit_width = 2, + .type = CLK_MUX, + .flags = CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, + } +}; + +static const struct imx95_blk_ctl_dev_data dispmix_csr_dev_data = { + .num_clks = ARRAY_SIZE(dispmix_csr_clk_dev_data), + .clk_dev_data = dispmix_csr_clk_dev_data, + .clk_reg_offset = 0, +}; + +static int imx95_bc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct imx95_blk_ctl_dev_data *bc_data; + struct imx95_blk_ctl *bc; + struct clk_hw_onecell_data *clk_hw_data; + struct clk_hw **hws; + void __iomem *base; + int i, ret; + + bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL); + if (!bc) + return -ENOMEM; + bc->dev = dev; + dev_set_drvdata(&pdev->dev, bc); + + spin_lock_init(&bc->lock); + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + bc->base = base; + bc->clk_apb = devm_clk_get(dev, NULL); + if (IS_ERR(bc->clk_apb)) + return dev_err_probe(dev, PTR_ERR(bc->clk_apb), "failed to get APB clock\n"); + + ret = clk_prepare_enable(bc->clk_apb); + if (ret) { + dev_err(dev, "failed to enable apb clock: %d\n", ret); + return ret; + } + + bc_data = of_device_get_match_data(dev); + if (!bc_data) + return devm_of_platform_populate(dev); + + clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, bc_data->num_clks), + GFP_KERNEL); + if (!clk_hw_data) + return -ENOMEM; + + if (bc_data->rpm_enabled) + pm_runtime_enable(&pdev->dev); + + clk_hw_data->num = bc_data->num_clks; + hws = clk_hw_data->hws; + + for (i = 0; i < bc_data->num_clks; i++) { + const struct imx95_blk_ctl_clk_dev_data *data = &bc_data->clk_dev_data[i]; + void __iomem *reg = base + data->reg; + + if (data->type == CLK_MUX) { + hws[i] = clk_hw_register_mux(dev, data->name, data->parent_names, + data->num_parents, data->flags, reg, + data->bit_idx, data->bit_width, + data->flags2, &bc->lock); + } else if (data->type == CLK_DIVIDER) { + hws[i] = clk_hw_register_divider(dev, data->name, data->parent_names[0], + data->flags, reg, data->bit_idx, + data->bit_width, data->flags2, &bc->lock); + } else { + hws[i] = clk_hw_register_gate(dev, data->name, data->parent_names[0], + data->flags, reg, data->bit_idx, + data->flags2, &bc->lock); + } + if (IS_ERR(hws[i])) { + ret = PTR_ERR(hws[i]); + dev_err(dev, "failed to register: %s:%d\n", data->name, ret); + goto cleanup; + } + } + + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, clk_hw_data); + if (ret) + goto cleanup; + + ret = devm_of_platform_populate(dev); + if (ret) { + of_clk_del_provider(dev->of_node); + goto cleanup; + } + + if (pm_runtime_enabled(bc->dev)) + clk_disable_unprepare(bc->clk_apb); + + return 0; + +cleanup: + for (i = 0; i < bc_data->num_clks; i++) { + if (IS_ERR_OR_NULL(hws[i])) + continue; + clk_hw_unregister(hws[i]); + } + + if (bc_data->rpm_enabled) + pm_runtime_disable(&pdev->dev); + + return ret; +} + +#ifdef CONFIG_PM +static int imx95_bc_runtime_suspend(struct device *dev) +{ + struct imx95_blk_ctl *bc = dev_get_drvdata(dev); + + clk_disable_unprepare(bc->clk_apb); + return 0; +} + +static int imx95_bc_runtime_resume(struct device *dev) +{ + struct imx95_blk_ctl *bc = dev_get_drvdata(dev); + + return clk_prepare_enable(bc->clk_apb); +} +#endif + +#ifdef CONFIG_PM_SLEEP +static int imx95_bc_suspend(struct device *dev) +{ + struct imx95_blk_ctl *bc = dev_get_drvdata(dev); + const struct imx95_blk_ctl_dev_data *bc_data; + int ret; + + bc_data = of_device_get_match_data(dev); + if (!bc_data) + return 0; + + if (bc_data->rpm_enabled) { + ret = pm_runtime_get_sync(bc->dev); + if (ret < 0) { + pm_runtime_put_noidle(bc->dev); + return ret; + } + } + + bc->clk_reg_restore = readl(bc->base + bc_data->clk_reg_offset); + + return 0; +} + +static int imx95_bc_resume(struct device *dev) +{ + struct imx95_blk_ctl *bc = dev_get_drvdata(dev); + const struct imx95_blk_ctl_dev_data *bc_data; + + bc_data = of_device_get_match_data(dev); + if (!bc_data) + return 0; + + writel(bc->clk_reg_restore, bc->base + bc_data->clk_reg_offset); + + if (bc_data->rpm_enabled) + pm_runtime_put(bc->dev); + + return 0; +} +#endif + +static const struct dev_pm_ops imx95_bc_pm_ops = { + SET_RUNTIME_PM_OPS(imx95_bc_runtime_suspend, imx95_bc_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(imx95_bc_suspend, imx95_bc_resume) +}; + +static const struct of_device_id imx95_bc_of_match[] = { + { .compatible = "nxp,imx95-camera-csr", .data = &camblk_dev_data }, + { .compatible = "nxp,imx95-display-master-csr", }, + { .compatible = "nxp,imx95-lvds-csr", .data = &lvds_csr_dev_data }, + { .compatible = "nxp,imx95-display-csr", .data = &dispmix_csr_dev_data }, + { .compatible = "nxp,imx95-vpu-csr", .data = &vpublk_dev_data }, + { /* Sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, imx95_bc_of_match); + +static struct platform_driver imx95_bc_driver = { + .probe = imx95_bc_probe, + .driver = { + .name = "imx95-blk-ctl", + .of_match_table = imx95_bc_of_match, + .pm = &imx95_bc_pm_ops, + }, +}; +module_platform_driver(imx95_bc_driver); + +MODULE_DESCRIPTION("NXP i.MX95 blk ctl driver"); +MODULE_AUTHOR("Peng Fan "); +MODULE_LICENSE("GPL");