diff options
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c index a8f3b2cbfdc5..36e928b0fd5a 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c @@ -86,18 +86,18 @@ static inline struct hdmi_phy *pll_get_phy(struct hdmi_pll_8996 *pll) static inline void hdmi_pll_write(struct hdmi_pll_8996 *pll, int offset, u32 data) { - msm_writel(data, pll->mmio_qserdes_com + offset); + writel(data, pll->mmio_qserdes_com + offset); } static inline u32 hdmi_pll_read(struct hdmi_pll_8996 *pll, int offset) { - return msm_readl(pll->mmio_qserdes_com + offset); + return readl(pll->mmio_qserdes_com + offset); } static inline void hdmi_tx_chan_write(struct hdmi_pll_8996 *pll, int channel, int offset, int data) { - msm_writel(data, pll->mmio_qserdes_tx[channel] + offset); + writel(data, pll->mmio_qserdes_tx[channel] + offset); } static inline u32 pll_get_cpctrl(u64 frac_start, unsigned long ref_clk, @@ -629,16 +629,12 @@ static int hdmi_8996_pll_prepare(struct clk_hw *hw) return 0; } -static long hdmi_8996_pll_round_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long *parent_rate) +static int hdmi_8996_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { - if (rate < HDMI_PCLK_MIN_FREQ) - return HDMI_PCLK_MIN_FREQ; - else if (rate > HDMI_PCLK_MAX_FREQ) - return HDMI_PCLK_MAX_FREQ; - else - return rate; + req->rate = clamp_t(unsigned long, req->rate, HDMI_PCLK_MIN_FREQ, HDMI_PCLK_MAX_FREQ); + + return 0; } static unsigned long hdmi_8996_pll_recalc_rate(struct clk_hw *hw, @@ -682,24 +678,22 @@ static int hdmi_8996_pll_is_enabled(struct clk_hw *hw) return pll_locked; } -static struct clk_ops hdmi_8996_pll_ops = { +static const struct clk_ops hdmi_8996_pll_ops = { .set_rate = hdmi_8996_pll_set_clk_rate, - .round_rate = hdmi_8996_pll_round_rate, + .determine_rate = hdmi_8996_pll_determine_rate, .recalc_rate = hdmi_8996_pll_recalc_rate, .prepare = hdmi_8996_pll_prepare, .unprepare = hdmi_8996_pll_unprepare, .is_enabled = hdmi_8996_pll_is_enabled, }; -static const char * const hdmi_pll_parents[] = { - "xo", -}; - -static struct clk_init_data pll_init = { +static const struct clk_init_data pll_init = { .name = "hdmipll", .ops = &hdmi_8996_pll_ops, - .parent_names = hdmi_pll_parents, - .num_parents = ARRAY_SIZE(hdmi_pll_parents), + .parent_data = (const struct clk_parent_data[]){ + { .fw_name = "xo", .name = "xo_board" }, + }, + .num_parents = 1, .flags = CLK_IGNORE_UNUSED, }; @@ -707,8 +701,7 @@ int msm_hdmi_pll_8996_init(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct hdmi_pll_8996 *pll; - struct clk *clk; - int i; + int i, ret; pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL); if (!pll) @@ -716,19 +709,18 @@ int msm_hdmi_pll_8996_init(struct platform_device *pdev) pll->pdev = pdev; - pll->mmio_qserdes_com = msm_ioremap(pdev, "hdmi_pll", "HDMI_PLL"); + pll->mmio_qserdes_com = msm_ioremap(pdev, "hdmi_pll"); if (IS_ERR(pll->mmio_qserdes_com)) { DRM_DEV_ERROR(dev, "failed to map pll base\n"); return -ENOMEM; } for (i = 0; i < HDMI_NUM_TX_CHANNEL; i++) { - char name[32], label[32]; + char name[32]; snprintf(name, sizeof(name), "hdmi_tx_l%d", i); - snprintf(label, sizeof(label), "HDMI_TX_L%d", i); - pll->mmio_qserdes_tx[i] = msm_ioremap(pdev, name, label); + pll->mmio_qserdes_tx[i] = msm_ioremap(pdev, name); if (IS_ERR(pll->mmio_qserdes_tx[i])) { DRM_DEV_ERROR(dev, "failed to map pll base\n"); return -ENOMEM; @@ -736,10 +728,16 @@ int msm_hdmi_pll_8996_init(struct platform_device *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) { 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; |
