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path: root/drivers/clk/mediatek/clk-mt6765.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt6765.c')
-rw-r--r--drivers/clk/mediatek/clk-mt6765.c146
1 files changed, 51 insertions, 95 deletions
diff --git a/drivers/clk/mediatek/clk-mt6765.c b/drivers/clk/mediatek/clk-mt6765.c
index e9b9e6729733..d53731e7933f 100644
--- a/drivers/clk/mediatek/clk-mt6765.c
+++ b/drivers/clk/mediatek/clk-mt6765.c
@@ -9,7 +9,7 @@
#include <linux/of_address.h>
#include <linux/slab.h>
#include <linux/mfd/syscon.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "clk-gate.h"
@@ -367,10 +367,12 @@ static const struct mtk_mux top_muxes[] = {
/* CLK_CFG_0 */
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR,
- 0, 2, 7, CLK_CFG_UPDATE, 0, CLK_IS_CRITICAL),
+ 0, 2, 7, CLK_CFG_UPDATE, 0,
+ CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR,
- 8, 2, 15, CLK_CFG_UPDATE, 1, CLK_IS_CRITICAL),
+ 8, 2, 15, CLK_CFG_UPDATE, 1,
+ CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD(CLK_TOP_MM_SEL, "mm_sel", mm_parents, CLK_CFG_0,
CLK_CFG_0_SET, CLK_CFG_0_CLR, 16, 3, 23,
CLK_CFG_UPDATE, 2),
@@ -404,15 +406,15 @@ static const struct mtk_mux top_muxes[] = {
CLK_CFG_2_SET, CLK_CFG_2_CLR, 24, 2, 31,
CLK_CFG_UPDATE, 11),
/* CLK_CFG_3 */
- MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC50_0_HCLK_SEL, "msdc5hclk",
+ MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC50_0_HCLK_SEL, "msdc5hclk",
msdc5hclk_parents, CLK_CFG_3, CLK_CFG_3_SET,
- CLK_CFG_3_CLR, 0, 2, 7, CLK_CFG_UPDATE, 12),
- MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel",
+ CLK_CFG_3_CLR, 0, 2, 7, CLK_CFG_UPDATE, 12, 0),
+ MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel",
msdc50_0_parents, CLK_CFG_3, CLK_CFG_3_SET,
- CLK_CFG_3_CLR, 8, 3, 15, CLK_CFG_UPDATE, 13),
- MUX_GATE_CLR_SET_UPD(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel",
+ CLK_CFG_3_CLR, 8, 3, 15, CLK_CFG_UPDATE, 13, 0),
+ MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel",
msdc30_1_parents, CLK_CFG_3, CLK_CFG_3_SET,
- CLK_CFG_3_CLR, 16, 3, 23, CLK_CFG_UPDATE, 14),
+ CLK_CFG_3_CLR, 16, 3, 23, CLK_CFG_UPDATE, 14, 0),
MUX_GATE_CLR_SET_UPD(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents,
CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR,
24, 2, 31, CLK_CFG_UPDATE, 15),
@@ -459,7 +461,7 @@ static const struct mtk_mux top_muxes[] = {
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_PWRAP_ULPOSC_SEL, "ulposc_sel",
ulposc_parents, CLK_CFG_7, CLK_CFG_7_SET,
CLK_CFG_7_CLR, 0, 3, 7, CLK_CFG_UPDATE, 28,
- CLK_IS_CRITICAL),
+ CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTM_SEL, "camtm_sel", camtm_parents,
CLK_CFG_7, CLK_CFG_7_SET, CLK_CFG_7_CLR, 8, 2, 15,
CLK_CFG_UPDATE, 29),
@@ -483,32 +485,14 @@ static const struct mtk_gate_regs top2_cg_regs = {
.sta_ofs = 0x320,
};
-#define GATE_TOP0(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top0_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
+#define GATE_TOP0(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
-#define GATE_TOP1(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top1_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr_inv, \
- }
+#define GATE_TOP1(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
-#define GATE_TOP2(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &top2_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
+#define GATE_TOP2(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &top2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
static const struct mtk_gate top_clks[] = {
/* TOP0 */
@@ -559,41 +543,17 @@ static const struct mtk_gate_regs ifr5_cg_regs = {
.sta_ofs = 0xc8,
};
-#define GATE_IFR2(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &ifr2_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
+#define GATE_IFR2(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ifr2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
-#define GATE_IFR3(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &ifr3_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
+#define GATE_IFR3(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ifr3_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
-#define GATE_IFR4(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &ifr4_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
+#define GATE_IFR4(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ifr4_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
-#define GATE_IFR5(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &ifr5_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr, \
- }
+#define GATE_IFR5(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &ifr5_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
static const struct mtk_gate ifr_clks[] = {
/* INFRA_TOPAXI */
@@ -674,14 +634,8 @@ static const struct mtk_gate_regs apmixed_cg_regs = {
.sta_ofs = 0x14,
};
-#define GATE_APMIXED(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &apmixed_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr_inv, \
- }
+#define GATE_APMIXED(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
static const struct mtk_gate apmixed_clks[] = {
/* AUDIO0 */
@@ -777,19 +731,18 @@ static int clk_mt6765_apmixed_probe(struct platform_device *pdev)
int r;
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(base)) {
- pr_err("%s(): ioremap failed\n", __func__);
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
return PTR_ERR(base);
- }
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
- mtk_clk_register_gates(node, apmixed_clks,
+ mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,
ARRAY_SIZE(apmixed_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
@@ -812,24 +765,24 @@ static int clk_mt6765_top_probe(struct platform_device *pdev)
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
struct clk_hw_onecell_data *clk_data;
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(base)) {
- pr_err("%s(): ioremap failed\n", __func__);
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
return PTR_ERR(base);
- }
clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks),
clk_data);
mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs),
clk_data);
- mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node,
+ mtk_clk_register_muxes(&pdev->dev, top_muxes,
+ ARRAY_SIZE(top_muxes), node,
&mt6765_clk_lock, clk_data);
- mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks),
- clk_data);
+ mtk_clk_register_gates(&pdev->dev, node, top_clks,
+ ARRAY_SIZE(top_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
@@ -852,18 +805,17 @@ static int clk_mt6765_ifr_probe(struct platform_device *pdev)
int r;
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(base)) {
- pr_err("%s(): ioremap failed\n", __func__);
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
return PTR_ERR(base);
- }
clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
+ if (!clk_data)
+ return -ENOMEM;
- mtk_clk_register_gates(node, ifr_clks, ARRAY_SIZE(ifr_clks),
- clk_data);
+ mtk_clk_register_gates(&pdev->dev, node, ifr_clks,
+ ARRAY_SIZE(ifr_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
@@ -887,6 +839,7 @@ static const struct of_device_id of_match_clk_mt6765[] = {
/* sentinel */
}
};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt6765);
static int clk_mt6765_probe(struct platform_device *pdev)
{
@@ -920,3 +873,6 @@ static int __init clk_mt6765_init(void)
}
arch_initcall(clk_mt6765_init);
+
+MODULE_DESCRIPTION("MediaTek MT6765 main clocks driver");
+MODULE_LICENSE("GPL");