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path: root/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c
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Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c')
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c
index 562dfac67792..6ba6bbdb7e05 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c
@@ -236,12 +236,12 @@ static const struct pll_rate freqtbl[] = {
static inline void pll_write(struct hdmi_pll_8960 *pll, u32 reg, u32 data)
{
- msm_writel(data, pll->mmio + reg);
+ writel(data, pll->mmio + reg);
}
static inline u32 pll_read(struct hdmi_pll_8960 *pll, u32 reg)
{
- return msm_readl(pll->mmio + reg);
+ return readl(pll->mmio + reg);
}
static inline struct hdmi_phy *pll_get_phy(struct hdmi_pll_8960 *pll)
@@ -373,12 +373,14 @@ static unsigned long hdmi_pll_recalc_rate(struct clk_hw *hw,
return pll->pixclk;
}
-static long hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static int hdmi_pll_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- const struct pll_rate *pll_rate = find_rate(rate);
+ const struct pll_rate *pll_rate = find_rate(req->rate);
+
+ req->rate = pll_rate->rate;
- return pll_rate->rate;
+ return 0;
}
static int hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -402,18 +404,18 @@ static const struct clk_ops hdmi_pll_ops = {
.enable = hdmi_pll_enable,
.disable = hdmi_pll_disable,
.recalc_rate = hdmi_pll_recalc_rate,
- .round_rate = hdmi_pll_round_rate,
+ .determine_rate = hdmi_pll_determine_rate,
.set_rate = hdmi_pll_set_rate,
};
-static const char * const hdmi_pll_parents[] = {
- "pxo",
+static const struct clk_parent_data hdmi_pll_parents[] = {
+ { .fw_name = "pxo", .name = "pxo_board" },
};
static struct clk_init_data pll_init = {
.name = "hdmi_pll",
.ops = &hdmi_pll_ops,
- .parent_names = hdmi_pll_parents,
+ .parent_data = hdmi_pll_parents,
.num_parents = ARRAY_SIZE(hdmi_pll_parents),
.flags = CLK_IGNORE_UNUSED,
};
@@ -422,8 +424,7 @@ int msm_hdmi_pll_8960_init(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hdmi_pll_8960 *pll;
- struct clk *clk;
- int i;
+ int i, ret;
/* sanity check: */
for (i = 0; i < (ARRAY_SIZE(freqtbl) - 1); i++)
@@ -434,7 +435,7 @@ int msm_hdmi_pll_8960_init(struct platform_device *pdev)
if (!pll)
return -ENOMEM;
- pll->mmio = msm_ioremap(pdev, "hdmi_pll", "HDMI_PLL");
+ pll->mmio = msm_ioremap(pdev, "hdmi_pll");
if (IS_ERR(pll->mmio)) {
DRM_DEV_ERROR(dev, "failed to map pll base\n");
return -ENOMEM;
@@ -443,10 +444,16 @@ int msm_hdmi_pll_8960_init(struct platform_device *pdev)
pll->pdev = pdev;
pll->clk_hw.init = &pll_init;
- clk = devm_clk_register(dev, &pll->clk_hw);
- if (IS_ERR(clk)) {
+ ret = devm_clk_hw_register(dev, &pll->clk_hw);
+ if (ret < 0) {
DRM_DEV_ERROR(dev, "failed to register pll clock\n");
- return -EINVAL;
+ return ret;
+ }
+
+ ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, &pll->clk_hw);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "%s: failed to register clk provider: %d\n", __func__, ret);
+ return ret;
}
return 0;