diff options
| author |   Neil Armstrong <narmstrong@baylibre.com> | 2018-11-06 15:57:35 +0100 |
|---|---|---|
| committer | Neil Armstrong <narmstrong@baylibre.com> | 2018-11-23 15:11:56 +0100 |
| commit | 0058502fb93a9285a36f8c179884f1992eef40d8 (patch) | |
| tree | 1f7d308767499510f2f0d4432136cd1e73b128ae /drivers/clk/meson | |
| parent | clk: meson: Add vid_pll divider driver (diff) | |
| download | linux-dev-0058502fb93a9285a36f8c179884f1992eef40d8.tar.xz linux-dev-0058502fb93a9285a36f8c179884f1992eef40d8.zip | |
clk: meson-gxbb: Fix HDMI PLL for GXL SoCs
In an attempt to better describe the HDMI PLL, a single DCO clock was
left for GXBB and GXL, but the GXL DCO does not have a pre-multiplier.
This patch adds back a GXL specific HDMI PLL DCO with xtal as parent.
Fixes: 87173557d2f6 ("clk: meson: clk-pll: remove od parameters")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
Link: http://lkml.kernel.org/r/1541516257-16157-3-git-send-email-narmstrong@baylibre.com
Diffstat (limited to 'drivers/clk/meson')
| -rw-r--r-- | drivers/clk/meson/gxbb.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 9309cfaaa464..0fd354bbaaaf 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -199,6 +199,52 @@ static struct clk_regmap gxbb_hdmi_pll_dco = { }, }; +static struct clk_regmap gxl_hdmi_pll_dco = { + .data = &(struct meson_clk_pll_data){ + .en = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 30, + .width = 1, + }, + .m = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .frac = { + .reg_off = HHI_HDMI_PLL_CNTL2, + .shift = 0, + .width = 12, + }, + .l = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 28, + .width = 1, + }, + }, + .hw.init = &(struct clk_init_data){ + .name = "hdmi_pll_dco", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + /* + * Display directly handle hdmi pll registers ATM, we need + * NOCACHE to keep our view of the clock as accurate as possible + */ + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + static struct clk_regmap gxbb_hdmi_pll_od = { .data = &(struct clk_regmap_div_data){ .offset = HHI_HDMI_PLL_CNTL2, @@ -2089,7 +2135,7 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_GEN_CLK_DIV] = &gxbb_gen_clk_div.hw, [CLKID_GEN_CLK] = &gxbb_gen_clk.hw, [CLKID_FIXED_PLL_DCO] = &gxbb_fixed_pll_dco.hw, - [CLKID_HDMI_PLL_DCO] = &gxbb_hdmi_pll_dco.hw, + [CLKID_HDMI_PLL_DCO] = &gxl_hdmi_pll_dco.hw, [CLKID_HDMI_PLL_OD] = &gxl_hdmi_pll_od.hw, [CLKID_HDMI_PLL_OD2] = &gxl_hdmi_pll_od2.hw, [CLKID_SYS_PLL_DCO] = &gxbb_sys_pll_dco.hw, @@ -2104,6 +2150,7 @@ static struct clk_regmap *const gxbb_clk_regmaps[] = { &gxbb_hdmi_pll, &gxbb_hdmi_pll_od, &gxbb_hdmi_pll_od2, + &gxbb_hdmi_pll_dco, }; static struct clk_regmap *const gxl_clk_regmaps[] = { @@ -2111,6 +2158,7 @@ static struct clk_regmap *const gxl_clk_regmaps[] = { &gxl_hdmi_pll, &gxl_hdmi_pll_od, &gxl_hdmi_pll_od2, + &gxl_hdmi_pll_dco, }; static struct clk_regmap *const gx_clk_regmaps[] = { @@ -2266,7 +2314,6 @@ static struct clk_regmap *const gx_clk_regmaps[] = { &gxbb_gen_clk_div, &gxbb_gen_clk, &gxbb_fixed_pll_dco, - &gxbb_hdmi_pll_dco, &gxbb_sys_pll_dco, &gxbb_gp0_pll, }; |