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Date: Thu, 14 Apr 2016 16:11:53 +0800
From: James Liao <jamesjj.liao@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Mike Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Rob Herring <robh@...nel.org>
CC: John Crispin <blogic@...nwrt.org>, Arnd Bergmann <arnd@...db.de>,
Sascha Hauer <kernel@...gutronix.de>,
Daniel Kurtz <djkurtz@...omium.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
<srv_heupstream@...iatek.com>,
James Liao <jamesjj.liao@...iatek.com>
Subject: [PATCH v7 8/9] clk: mediatek: Add config options for MT2701 subsystem clocks
MT2701 subsystem clocks are optional and should be enabled only if
their subsystem drivers are ready to control these clocks.
Signed-off-by: James Liao <jamesjj.liao@...iatek.com>
---
drivers/clk/mediatek/Kconfig | 44 ++++++++++++++++++++++++++++++++++++++-
drivers/clk/mediatek/clk-mt2701.c | 36 ++++++++++++++++++++++++++++++++
2 files changed, 79 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 1e56000..5aa6204 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -12,7 +12,49 @@ config COMMON_CLK_MT2701
select COMMON_CLK_MEDIATEK
default ARCH_MEDIATEK
---help---
- This driver supports Mediatek MT2701 clocks.
+ This driver supports Mediatek MT2701 basic clocks.
+
+config COMMON_CLK_MT2701_MMSYS
+ bool "Clock driver for Mediatek MT2701 mmsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 mmsys clocks.
+
+config COMMON_CLK_MT2701_IMGSYS
+ bool "Clock driver for Mediatek MT2701 imgsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 imgsys clocks.
+
+config COMMON_CLK_MT2701_VDECSYS
+ bool "Clock driver for Mediatek MT2701 vdecsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 vdecsys clocks.
+
+config COMMON_CLK_MT2701_HIFSYS
+ bool "Clock driver for Mediatek MT2701 hifsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 hifsys clocks.
+
+config COMMON_CLK_MT2701_ETHSYS
+ bool "Clock driver for Mediatek MT2701 ethsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 ethsys clocks.
+
+config COMMON_CLK_MT2701_BDPSYS
+ bool "Clock driver for Mediatek MT2701 bdpsys"
+ depends on COMMON_CLK
+ select COMMON_CLK_MT2701
+ ---help---
+ This driver supports Mediatek MT2701 bdpsys clocks.
config COMMON_CLK_MT8135
bool "Clock driver for Mediatek MT8135"
diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c
index 90294e7..68869ff 100644
--- a/drivers/clk/mediatek/clk-mt2701.c
+++ b/drivers/clk/mediatek/clk-mt2701.c
@@ -908,6 +908,8 @@ static void __init mtk_pericfg_init(struct device_node *node)
}
CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt2701-pericfg", mtk_pericfg_init);
+#ifdef CONFIG_COMMON_CLK_MT2701_MMSYS
+
static const struct mtk_gate_regs disp0_cg_regs __initconst = {
.set_ofs = 0x0104,
.clr_ofs = 0x0108,
@@ -991,6 +993,10 @@ static void __init mtk_mmsys_init(struct device_node *node)
__func__, r);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_MMSYS */
+
+#ifdef CONFIG_COMMON_CLK_MT2701_IMGSYS
+
static const struct mtk_gate_regs img_cg_regs __initconst = {
.set_ofs = 0x0004,
.clr_ofs = 0x0008,
@@ -1031,6 +1037,10 @@ static void __init mtk_imgsys_init(struct device_node *node)
__func__, r);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_IMGSYS */
+
+#ifdef CONFIG_COMMON_CLK_MT2701_VDECSYS
+
static const struct mtk_gate_regs vdec0_cg_regs __initconst = {
.set_ofs = 0x0000,
.clr_ofs = 0x0004,
@@ -1082,6 +1092,10 @@ static void __init mtk_vdecsys_init(struct device_node *node)
__func__, r);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_VDECSYS */
+
+#ifdef CONFIG_COMMON_CLK_MT2701_HIFSYS
+
static const struct mtk_gate_regs hif_cg_regs __initconst = {
.sta_ofs = 0x0008,
};
@@ -1121,6 +1135,10 @@ static void __init mtk_hifsys_init(struct device_node *node)
mtk_register_reset_controller(node, 1, 0x34);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_HIFSYS */
+
+#ifdef CONFIG_COMMON_CLK_MT2701_ETHSYS
+
static const struct mtk_gate_regs eth_cg_regs __initconst = {
.sta_ofs = 0x0030,
};
@@ -1161,6 +1179,10 @@ static void __init mtk_ethsys_init(struct device_node *node)
__func__, r);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_ETHSYS */
+
+#ifdef CONFIG_COMMON_CLK_MT2701_BDPSYS
+
static const struct mtk_gate_regs bdp0_cg_regs __initconst = {
.set_ofs = 0x0104,
.clr_ofs = 0x0108,
@@ -1259,6 +1281,8 @@ static void __init mtk_bdpsys_init(struct device_node *node)
__func__, r);
}
+#endif /* CONFIG_COMMON_CLK_MT2701_BDPSYS */
+
#define MT8590_PLL_FMAX (2000 * MHZ)
#define CON0_MT8590_RST_BAR BIT(27)
@@ -1333,24 +1357,36 @@ CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt2701-apmixedsys",
static const struct of_device_id of_clk_match_tbl[] = {
{
+#ifdef CONFIG_COMMON_CLK_MT2701_MMSYS
.compatible = "mediatek,mt2701-mmsys",
.data = mtk_mmsys_init,
}, {
+#endif
+#ifdef CONFIG_COMMON_CLK_MT2701_IMGSYS
.compatible = "mediatek,mt2701-imgsys",
.data = mtk_imgsys_init,
}, {
+#endif
+#ifdef CONFIG_COMMON_CLK_MT2701_VDECSYS
.compatible = "mediatek,mt2701-vdecsys",
.data = mtk_vdecsys_init,
}, {
+#endif
+#ifdef CONFIG_COMMON_CLK_MT2701_HIFSYS
.compatible = "mediatek,mt2701-hifsys",
.data = mtk_hifsys_init,
}, {
+#endif
+#ifdef CONFIG_COMMON_CLK_MT2701_ETHSYS
.compatible = "mediatek,mt2701-ethsys",
.data = mtk_ethsys_init,
}, {
+#endif
+#ifdef CONFIG_COMMON_CLK_MT2701_BDPSYS
.compatible = "mediatek,mt2701-bdpsys",
.data = mtk_bdpsys_init,
}, {
+#endif
/* sentinel */
}
};
--
1.9.1
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