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AJvYcCWl6um/6/Z8PES9GCWoo6nvkj+ldodHCCi7RXEOIICM/CjnqRVQukDwLLsIy3WuhdiHE/JnYk/LgvKnS/D4@vger.kernel.org X-Gm-Message-State: AOJu0YyQlJ2OfSOdnqL7vaR0qY4fTM7Mx9xXEHQmRrk95ed2d7bzH4/N ltZ7++gtLbCKwwn1tecSft4cnQNVNnI+iCWtio8U45QKk9PPwRmYDuVfjnoVQ/A= X-Google-Smtp-Source: AGHT+IHXrUInzrnKjutLtblRcXLuM1RNypFIn3UDY63IY4sgmabqwyE0OkHTVZttVPBDhGDn30Hk7w== X-Received: by 2002:a05:6512:124f:b0:530:e228:779c with SMTP id 2adb3069b0e04-53546b04212mr7939275e87.19.1725288730586; Mon, 02 Sep 2024 07:52:10 -0700 (PDT) Received: from localhost.localdomain ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a8989022ac4sm568625866b.59.2024.09.02.07.52.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Sep 2024 07:52:10 -0700 (PDT) From: srinivas.kandagatla@linaro.org To: andersson@kernel.org, sboyd@kernel.org Cc: mturquette@baylibre.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH] clk: qcom: drop sm8250 lpass gfm driver Date: Mon, 2 Sep 2024 15:52:03 +0100 Message-Id: <20240902145203.72628-1-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Srinivas Kandagatla There is no real use for this driver on this platform for below reasons. - codec drivers can directly use dsp clocks using the static mux setting. - none of the consumers really switch parents and do not handle low power usecases. - all users of this drivers are now removed in next Remove this driver and associated device tree bindings to aviod any confusion. Signed-off-by: Srinivas Kandagatla --- .../bindings/clock/qcom,aoncc-sm8250.yaml | 61 ---- .../bindings/clock/qcom,audiocc-sm8250.yaml | 61 ---- drivers/clk/qcom/Kconfig | 7 - drivers/clk/qcom/Makefile | 1 - drivers/clk/qcom/lpass-gfm-sm8250.c | 318 ------------------ .../clock/qcom,sm8250-lpass-aoncc.h | 11 - .../clock/qcom,sm8250-lpass-audiocc.h | 13 - 7 files changed, 472 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml delete mode 100644 Documentation/devicetree/bindings/clock/qcom,audiocc-sm8250.yaml delete mode 100644 drivers/clk/qcom/lpass-gfm-sm8250.c delete mode 100644 include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h delete mode 100644 include/dt-bindings/clock/qcom,sm8250-lpass-audiocc.h diff --git a/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml b/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml deleted file mode 100644 index 8b8932bd5a92..000000000000 --- a/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml +++ /dev/null @@ -1,61 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/clock/qcom,aoncc-sm8250.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: LPASS Always ON Clock Controller on SM8250 SoCs - -maintainers: - - Srinivas Kandagatla - -description: | - The clock consumer should specify the desired clock by having the clock - ID in its "clocks" phandle cell. - See include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h for the full list - of Audio Clock controller clock IDs. - -properties: - compatible: - const: qcom,sm8250-lpass-aoncc - - reg: - maxItems: 1 - - '#clock-cells': - const: 1 - - clocks: - items: - - description: LPASS Core voting clock - - description: LPASS Audio codec voting clock - - description: Glitch Free Mux register clock - - clock-names: - items: - - const: core - - const: audio - - const: bus - -required: - - compatible - - reg - - '#clock-cells' - - clocks - - clock-names - -additionalProperties: false - -examples: - - | - #include - #include - clock-controller@3800000 { - #clock-cells = <1>; - compatible = "qcom,sm8250-lpass-aoncc"; - reg = <0x03380000 0x40000>; - clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, - <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, - <&q6afecc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>; - clock-names = "core", "audio", "bus"; - }; diff --git a/Documentation/devicetree/bindings/clock/qcom,audiocc-sm8250.yaml b/Documentation/devicetree/bindings/clock/qcom,audiocc-sm8250.yaml deleted file mode 100644 index cfca888f6014..000000000000 --- a/Documentation/devicetree/bindings/clock/qcom,audiocc-sm8250.yaml +++ /dev/null @@ -1,61 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/clock/qcom,audiocc-sm8250.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: LPASS Audio Clock Controller on SM8250 SoCs - -maintainers: - - Srinivas Kandagatla - -description: | - The clock consumer should specify the desired clock by having the clock - ID in its "clocks" phandle cell. - See include/dt-bindings/clock/qcom,sm8250-lpass-audiocc.h for the full list - of Audio Clock controller clock IDs. - -properties: - compatible: - const: qcom,sm8250-lpass-audiocc - - reg: - maxItems: 1 - - '#clock-cells': - const: 1 - - clocks: - items: - - description: LPASS Core voting clock - - description: LPASS Audio codec voting clock - - description: Glitch Free Mux register clock - - clock-names: - items: - - const: core - - const: audio - - const: bus - -required: - - compatible - - reg - - '#clock-cells' - - clocks - - clock-names - -additionalProperties: false - -examples: - - | - #include - #include - clock-controller@3300000 { - #clock-cells = <1>; - compatible = "qcom,sm8250-lpass-audiocc"; - reg = <0x03300000 0x30000>; - clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, - <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, - <&q6afecc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>; - clock-names = "core", "audio", "bus"; - }; diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index a3e2a09e2105..ce970fe5cf0b 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -1269,13 +1269,6 @@ config KRAITCC Support for the Krait CPU clocks on Qualcomm devices. Say Y if you want to support CPU frequency scaling. -config CLK_GFM_LPASS_SM8250 - tristate "SM8250 GFM LPASS Clocks" - depends on ARM64 || COMPILE_TEST - help - Support for the Glitch Free Mux (GFM) Low power audio - subsystem (LPASS) clocks found on SM8250 SoCs. - config SM_VIDEOCC_8450 tristate "SM8450 Video Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 2b378667a63f..a4751f6dd3b0 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -20,7 +20,6 @@ clk-qcom-$(CONFIG_QCOM_GDSC) += gdsc.o # Keep alphabetically sorted by config obj-$(CONFIG_APQ_GCC_8084) += gcc-apq8084.o obj-$(CONFIG_APQ_MMCC_8084) += mmcc-apq8084.o -obj-$(CONFIG_CLK_GFM_LPASS_SM8250) += lpass-gfm-sm8250.o obj-$(CONFIG_CLK_X1E80100_CAMCC) += camcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_DISPCC) += dispcc-x1e80100.o obj-$(CONFIG_CLK_X1E80100_GCC) += gcc-x1e80100.o diff --git a/drivers/clk/qcom/lpass-gfm-sm8250.c b/drivers/clk/qcom/lpass-gfm-sm8250.c deleted file mode 100644 index 65d380e30eed..000000000000 --- a/drivers/clk/qcom/lpass-gfm-sm8250.c +++ /dev/null @@ -1,318 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * LPASS Audio CC and Always ON CC Glitch Free Mux clock driver - * - * Copyright (c) 2020 Linaro Ltd. - * Author: Srinivas Kandagatla - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -struct lpass_gfm { - struct device *dev; - void __iomem *base; -}; - -struct clk_gfm { - unsigned int mux_reg; - unsigned int mux_mask; - struct clk_hw hw; - struct lpass_gfm *priv; - void __iomem *gfm_mux; -}; - -#define to_clk_gfm(_hw) container_of(_hw, struct clk_gfm, hw) - -static u8 clk_gfm_get_parent(struct clk_hw *hw) -{ - struct clk_gfm *clk = to_clk_gfm(hw); - - return readl(clk->gfm_mux) & clk->mux_mask; -} - -static int clk_gfm_set_parent(struct clk_hw *hw, u8 index) -{ - struct clk_gfm *clk = to_clk_gfm(hw); - unsigned int val; - - val = readl(clk->gfm_mux); - - if (index) - val |= clk->mux_mask; - else - val &= ~clk->mux_mask; - - - writel(val, clk->gfm_mux); - - return 0; -} - -static const struct clk_ops clk_gfm_ops = { - .get_parent = clk_gfm_get_parent, - .set_parent = clk_gfm_set_parent, - .determine_rate = __clk_mux_determine_rate, -}; - -static struct clk_gfm lpass_gfm_va_mclk = { - .mux_reg = 0x20000, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "VA_MCLK", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .num_parents = 2, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_VA_CORE_MCLK", - }, - }, - }, -}; - -static struct clk_gfm lpass_gfm_tx_npl = { - .mux_reg = 0x20000, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "TX_NPL", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_NPL_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_VA_CORE_2X_MCLK", - }, - }, - .num_parents = 2, - }, -}; - -static struct clk_gfm lpass_gfm_wsa_mclk = { - .mux_reg = 0x220d8, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "WSA_MCLK", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_WSA_CORE_MCLK", - }, - }, - .num_parents = 2, - }, -}; - -static struct clk_gfm lpass_gfm_wsa_npl = { - .mux_reg = 0x220d8, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "WSA_NPL", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_NPL_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_WSA_CORE_NPL_MCLK", - }, - }, - .num_parents = 2, - }, -}; - -static struct clk_gfm lpass_gfm_rx_mclk_mclk2 = { - .mux_reg = 0x240d8, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "RX_MCLK_MCLK2", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_RX_CORE_MCLK", - }, - }, - .num_parents = 2, - }, -}; - -static struct clk_gfm lpass_gfm_rx_npl = { - .mux_reg = 0x240d8, - .mux_mask = BIT(0), - .hw.init = &(struct clk_init_data) { - .name = "RX_NPL", - .ops = &clk_gfm_ops, - .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, - .parent_data = (const struct clk_parent_data[]){ - { - .index = 0, - .fw_name = "LPASS_CLK_ID_TX_CORE_NPL_MCLK", - }, { - .index = 1, - .fw_name = "LPASS_CLK_ID_RX_CORE_NPL_MCLK", - }, - }, - .num_parents = 2, - }, -}; - -static struct clk_gfm *aoncc_gfm_clks[] = { - [LPASS_CDC_VA_MCLK] = &lpass_gfm_va_mclk, - [LPASS_CDC_TX_NPL] = &lpass_gfm_tx_npl, -}; - -static struct clk_hw_onecell_data aoncc_hw_onecell_data = { - .hws = { - [LPASS_CDC_VA_MCLK] = &lpass_gfm_va_mclk.hw, - [LPASS_CDC_TX_NPL] = &lpass_gfm_tx_npl.hw, - }, - .num = ARRAY_SIZE(aoncc_gfm_clks), -}; - -static struct clk_gfm *audiocc_gfm_clks[] = { - [LPASS_CDC_WSA_NPL] = &lpass_gfm_wsa_npl, - [LPASS_CDC_WSA_MCLK] = &lpass_gfm_wsa_mclk, - [LPASS_CDC_RX_NPL] = &lpass_gfm_rx_npl, - [LPASS_CDC_RX_MCLK_MCLK2] = &lpass_gfm_rx_mclk_mclk2, -}; - -static struct clk_hw_onecell_data audiocc_hw_onecell_data = { - .hws = { - [LPASS_CDC_WSA_NPL] = &lpass_gfm_wsa_npl.hw, - [LPASS_CDC_WSA_MCLK] = &lpass_gfm_wsa_mclk.hw, - [LPASS_CDC_RX_NPL] = &lpass_gfm_rx_npl.hw, - [LPASS_CDC_RX_MCLK_MCLK2] = &lpass_gfm_rx_mclk_mclk2.hw, - }, - .num = ARRAY_SIZE(audiocc_gfm_clks), -}; - -struct lpass_gfm_data { - struct clk_hw_onecell_data *onecell_data; - struct clk_gfm **gfm_clks; -}; - -static struct lpass_gfm_data audiocc_data = { - .onecell_data = &audiocc_hw_onecell_data, - .gfm_clks = audiocc_gfm_clks, -}; - -static struct lpass_gfm_data aoncc_data = { - .onecell_data = &aoncc_hw_onecell_data, - .gfm_clks = aoncc_gfm_clks, -}; - -static int lpass_gfm_clk_driver_probe(struct platform_device *pdev) -{ - const struct lpass_gfm_data *data; - struct device *dev = &pdev->dev; - struct clk_gfm *gfm; - struct lpass_gfm *cc; - int err, i; - - data = of_device_get_match_data(dev); - if (!data) - return -EINVAL; - - cc = devm_kzalloc(dev, sizeof(*cc), GFP_KERNEL); - if (!cc) - return -ENOMEM; - - cc->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(cc->base)) - return PTR_ERR(cc->base); - - err = devm_pm_runtime_enable(dev); - if (err) - return err; - - err = devm_pm_clk_create(dev); - if (err) - return err; - - err = of_pm_clk_add_clks(dev); - if (err < 0) { - dev_dbg(dev, "Failed to get lpass core voting clocks\n"); - return err; - } - - for (i = 0; i < data->onecell_data->num; i++) { - if (!data->gfm_clks[i]) - continue; - - gfm = data->gfm_clks[i]; - gfm->priv = cc; - gfm->gfm_mux = cc->base; - gfm->gfm_mux = gfm->gfm_mux + data->gfm_clks[i]->mux_reg; - - err = devm_clk_hw_register(dev, &data->gfm_clks[i]->hw); - if (err) - return err; - - } - - err = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, - data->onecell_data); - if (err) - return err; - - return 0; -} - -static const struct of_device_id lpass_gfm_clk_match_table[] = { - { - .compatible = "qcom,sm8250-lpass-aoncc", - .data = &aoncc_data, - }, - { - .compatible = "qcom,sm8250-lpass-audiocc", - .data = &audiocc_data, - }, - { } -}; -MODULE_DEVICE_TABLE(of, lpass_gfm_clk_match_table); - -static const struct dev_pm_ops lpass_gfm_pm_ops = { - SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL) -}; - -static struct platform_driver lpass_gfm_clk_driver = { - .probe = lpass_gfm_clk_driver_probe, - .driver = { - .name = "lpass-gfm-clk", - .of_match_table = lpass_gfm_clk_match_table, - .pm = &lpass_gfm_pm_ops, - }, -}; -module_platform_driver(lpass_gfm_clk_driver); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("QTI SM8250 LPASS Glitch Free Mux clock driver"); diff --git a/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h b/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h deleted file mode 100644 index f5a1cfac8612..000000000000 --- a/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -#ifndef _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H -#define _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H - -/* from AOCC */ -#define LPASS_CDC_VA_MCLK 0 -#define LPASS_CDC_TX_NPL 1 -#define LPASS_CDC_TX_MCLK 2 - -#endif /* _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H */ diff --git a/include/dt-bindings/clock/qcom,sm8250-lpass-audiocc.h b/include/dt-bindings/clock/qcom,sm8250-lpass-audiocc.h deleted file mode 100644 index a1aa6cb5d840..000000000000 --- a/include/dt-bindings/clock/qcom,sm8250-lpass-audiocc.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -#ifndef _DT_BINDINGS_CLK_LPASS_AUDIOCC_SM8250_H -#define _DT_BINDINGS_CLK_LPASS_AUDIOCC_SM8250_H - -/* From AudioCC */ -#define LPASS_CDC_WSA_NPL 0 -#define LPASS_CDC_WSA_MCLK 1 -#define LPASS_CDC_RX_MCLK 2 -#define LPASS_CDC_RX_NPL 3 -#define LPASS_CDC_RX_MCLK_MCLK2 4 - -#endif /* _DT_BINDINGS_CLK_LPASS_AUDIOCC_SM8250_H */