| From c3b41da9dfc6ab2cc9bb41181b38eef9818a72a3 Mon Sep 17 00:00:00 2001 |
| From: "yanjie.jiang" <yanjie.jiang@mediatek.com> |
| Date: Tue, 16 Apr 2019 16:48:00 +0800 |
| Subject: [PATCH 3/3] ccci: add md_off flow |
| |
| Add release MD source flow on chromeos-4.19 |
| |
| Change-Id: Ia4d4f647adf97b3a960b9352609c3789ca49fb42 |
| Signed-off-by: yanjie.jiang@mediatek.corp-partner.google.com |
| --- |
| arch/arm64/boot/dts/mediatek/mt8183.dtsi | 4 + |
| drivers/misc/Kconfig | 0 |
| drivers/misc/Makefile | 0 |
| drivers/soc/mediatek/Kconfig | 2 + |
| drivers/soc/mediatek/Makefile | 1 + |
| drivers/soc/mediatek/mtk-ccci/Kconfig | 6 + |
| drivers/soc/mediatek/mtk-ccci/Makefile | 15 +++ |
| drivers/soc/mediatek/mtk-ccci/md_off/Makefile | 25 +++++ |
| .../mediatek/mtk-ccci/md_off/md_off-mt8183.c | 105 ++++++++++++++++++ |
| .../mediatek/mtk-ccci/md_off/md_off-mt8183.h | 14 +++ |
| 10 files changed, 172 insertions(+) |
| mode change 100644 => 100755 arch/arm64/boot/dts/mediatek/mt8183.dtsi |
| mode change 100644 => 100755 drivers/misc/Kconfig |
| mode change 100644 => 100755 drivers/misc/Makefile |
| mode change 100644 => 100755 drivers/soc/mediatek/Kconfig |
| mode change 100644 => 100755 drivers/soc/mediatek/Makefile |
| create mode 100755 drivers/soc/mediatek/mtk-ccci/Kconfig |
| create mode 100755 drivers/soc/mediatek/mtk-ccci/Makefile |
| create mode 100755 drivers/soc/mediatek/mtk-ccci/md_off/Makefile |
| create mode 100755 drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.c |
| create mode 100755 drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.h |
| |
| diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi |
| old mode 100644 |
| new mode 100755 |
| index 93b78344925d..111ecd4e3bc3 |
| --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi |
| +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi |
| @@ -758,6 +758,10 @@ |
| status = "disabled"; |
| }; |
| |
| + ccci_md_off@0 { |
| + compatible = "mediatek,mt8183-ccci_md_off"; |
| + }; |
| + |
| i2c6: i2c@11005000 { |
| compatible = "mediatek,mt8183-i2c"; |
| reg = <0 0x11005000 0 0x1000>, |
| diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig |
| old mode 100644 |
| new mode 100755 |
| diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile |
| old mode 100644 |
| new mode 100755 |
| diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig |
| old mode 100644 |
| new mode 100755 |
| index 17bd7590464f..43f9a28e7443 |
| --- a/drivers/soc/mediatek/Kconfig |
| +++ b/drivers/soc/mediatek/Kconfig |
| @@ -43,4 +43,6 @@ config MTK_SCPSYS |
| Say yes here to add support for the MediaTek SCPSYS power domain |
| driver. |
| |
| +source "drivers/soc/mediatek/mtk-ccci/Kconfig" |
| + |
| endmenu |
| diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile |
| old mode 100644 |
| new mode 100755 |
| index b9dbad6b12f9..b8e52c3d30e4 |
| --- a/drivers/soc/mediatek/Makefile |
| +++ b/drivers/soc/mediatek/Makefile |
| @@ -2,3 +2,4 @@ obj-$(CONFIG_MTK_CMDQ) += mtk-cmdq-helper.o |
| obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o mtk-scpsys-ext.o |
| obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o |
| obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o |
| +obj-y += mtk-ccci/ |
| diff --git a/drivers/soc/mediatek/mtk-ccci/Kconfig b/drivers/soc/mediatek/mtk-ccci/Kconfig |
| new file mode 100755 |
| index 000000000000..4309fb392a7e |
| --- /dev/null |
| +++ b/drivers/soc/mediatek/mtk-ccci/Kconfig |
| @@ -0,0 +1,6 @@ |
| +menuconfig MTK_CCCI_DEVICES
|
| + bool "CCCI Devices"
|
| + default y
|
| + help
|
| + Say Y here to enable CCCI basic support.
|
| + If you say N, all CCCI related code (including dummy API) will be disable. |
| \ No newline at end of file |
| diff --git a/drivers/soc/mediatek/mtk-ccci/Makefile b/drivers/soc/mediatek/mtk-ccci/Makefile |
| new file mode 100755 |
| index 000000000000..e4c7d8287949 |
| --- /dev/null |
| +++ b/drivers/soc/mediatek/mtk-ccci/Makefile |
| @@ -0,0 +1,15 @@ |
| +#
|
| +# Copyright (C) 2015 MediaTek Inc.
|
| +#
|
| +# This program is free software: you can redistribute it and/or modify
|
| +# it under the terms of the GNU General Public License version 2 as
|
| +# published by the Free Software Foundation.
|
| +#
|
| +# This program is distributed in the hope that it will be useful,
|
| +# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| +# GNU General Public License for more details.
|
| +#
|
| +
|
| +obj-y += md_off/
|
| +
|
| diff --git a/drivers/soc/mediatek/mtk-ccci/md_off/Makefile b/drivers/soc/mediatek/mtk-ccci/md_off/Makefile |
| new file mode 100755 |
| index 000000000000..1e1e3ce39b4e |
| --- /dev/null |
| +++ b/drivers/soc/mediatek/mtk-ccci/md_off/Makefile |
| @@ -0,0 +1,25 @@ |
| +#
|
| +# Copyright (C) 2015 MediaTek Inc.
|
| +#
|
| +# This program is free software: you can redistribute it and/or modify
|
| +# it under the terms of the GNU General Public License version 2 as
|
| +# published by the Free Software Foundation.
|
| +#
|
| +# This program is distributed in the hope that it will be useful,
|
| +# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| +# GNU General Public License for more details.
|
| +#
|
| +
|
| +obj-y += md_off-mt8183.o
|
| +
|
| +#ifeq ($(CONFIG_MTK_CCCI), y)
|
| +
|
| +# always build-in parts
|
| +#obj-y := ccci_md_off.o
|
| +#ccflags-y += -I$(srctree)/
|
| +#ccflags-y += -I$(srctree)/drivers\misc\mtk-ccci/md_off/
|
| +
|
| +#ccci_md_off-$(CONFIG_MTK_CCCI_MT8183) := md_off-mt8183.o
|
| +
|
| +#endif
|
| diff --git a/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.c b/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.c |
| new file mode 100755 |
| index 000000000000..6cf1880c7a76 |
| --- /dev/null |
| +++ b/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.c |
| @@ -0,0 +1,105 @@ |
| +/*
|
| + * Copyright (C) 2015 MediaTek Inc.
|
| + *
|
| + * This program is free software: you can redistribute it and/or modify
|
| + * it under the terms of the GNU General Public License version 2 as
|
| + * published by the Free Software Foundation.
|
| + *
|
| + * This program is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| + * GNU General Public License for more details.
|
| + */
|
| +
|
| +#include <linux/module.h> |
| +#include <linux/of.h> |
| +#include <linux/of_address.h> |
| +#include <linux/of_device.h> |
| +#include <linux/platform_device.h> |
| +
|
| +#include "md_off-mt8183.h" |
| +
|
| +#define INFRA_AO_MD_SRCCLKENA (0x0F0C) |
| +#define REG_MD_CLK_SETTING (0x0000) |
| +
|
| +#define STA_POWER_DOWN 0 |
| +#define STA_POWER_ON 1 |
| +static void internal_md1_power_down(void) |
| +{ |
| + struct device_node *node; |
| + void __iomem *infra_ao_base, *ap_top_ck_gen; |
| + unsigned int reg_value; |
| + |
| + node = of_find_compatible_node(NULL, NULL, "mediatek,mt8183-infracfg"); |
| + infra_ao_base = of_iomap(node, 0); |
| + node = of_find_compatible_node(NULL, NULL, "mediatek,mt8183-topckgen"); |
| + ap_top_ck_gen = of_iomap(node, 0); |
| + /* 0. power on md */ |
| + //spm_mtcmos_ctrl_md1(STA_POWER_DOWN); |
| + |
| + /* 1. md clock setting: gating */ |
| + reg_value = readl(ap_top_ck_gen); |
| + reg_value |= ((1<<8)|(1<<9)); |
| + writel(reg_value, ap_top_ck_gen); |
| + |
| + /* 2. mixedsys topsm init, for release srcclkena in kernel */ |
| + reg_value = readl(infra_ao_base + INFRA_AO_MD_SRCCLKENA); |
| + reg_value &= ~0xFF; |
| + writel(reg_value, (infra_ao_base + INFRA_AO_MD_SRCCLKENA)); |
| + |
| + pr_notice("[ccci-off]src clk ena = 0x%X\n", |
| + readl(infra_ao_base + INFRA_AO_MD_SRCCLKENA)); |
| +} |
| + |
| +void md_power_down(void) |
| +{ |
| + //unsigned int val; |
| + |
| + //val = get_devinfo_with_index(4); |
| + //if ((val & (0x1 << 0)) == 0) |
| + internal_md1_power_down(); |
| + //else |
| + // pr_debug("[ccci-off]md1 effused,no need power off\n"); |
| +} |
| + |
| +static int ccci_off_probe(struct platform_device *pdev) |
| +{ |
| + md_power_down(); |
| + |
| + return 0; |
| +} |
| + |
| +static int ccci_off_remove(struct platform_device *pdev) |
| +{ |
| + return 0; |
| +} |
| + |
| +static const struct of_device_id ccci_off_of_ids[] = { |
| + {.compatible = "mediatek,mt8183-ccci_md_off",}, |
| + {} |
| +}; |
| + |
| +static struct platform_driver ccci_off_dev_drv = { |
| + .probe = ccci_off_probe, |
| + .remove = ccci_off_remove, |
| + .driver = { |
| + .name = "ccci_md_off", |
| + .owner = THIS_MODULE, |
| + .of_match_table = ccci_off_of_ids, |
| + }, |
| +}; |
| + |
| +static int __init ccci_md_off_init(void) |
| +{ |
| + int ret; |
| + |
| + ret = platform_driver_register(&ccci_off_dev_drv); |
| + if (ret) |
| + pr_debug("[ccci-md-off] platform driver registered failed(%d)\n", ret); |
| + else |
| + pr_debug("[ccci-md-off]platform driver registered OK\n"); |
| + |
| + return 0; |
| +} |
| + |
| +module_init(ccci_md_off_init); |
| diff --git a/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.h b/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.h |
| new file mode 100755 |
| index 000000000000..b94f93f4558f |
| --- /dev/null |
| +++ b/drivers/soc/mediatek/mtk-ccci/md_off/md_off-mt8183.h |
| @@ -0,0 +1,14 @@ |
| +/*
|
| + * Copyright (C) 2015 MediaTek Inc.
|
| + *
|
| + * This program is free software: you can redistribute it and/or modify
|
| + * it under the terms of the GNU General Public License version 2 as
|
| + * published by the Free Software Foundation.
|
| + *
|
| + * This program is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| + * GNU General Public License for more details.
|
| + */
|
| +
|
| +
|
| -- |
| 2.20.1 |
| |
