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-rw-r--r--drivers/clk/meson/axg.c3
-rw-r--r--drivers/clk/meson/axg.h1
-rw-r--r--drivers/clk/meson/clk-pll.c10
-rw-r--r--drivers/clk/meson/meson8b.c45
4 files changed, 11 insertions, 48 deletions
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 0e44695b8772..2ad3801398dc 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -1879,7 +1879,6 @@ static MESON_GATE(axg_mmc_pclk, HHI_GCLK_MPEG2, 11);
static MESON_GATE(axg_vpu_intr, HHI_GCLK_MPEG2, 25);
static MESON_GATE(axg_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
static MESON_GATE(axg_gic, HHI_GCLK_MPEG2, 30);
-static MESON_GATE(axg_mipi_enable, HHI_MIPI_CNTL0, 29);
/* Always On (AO) domain gates */
@@ -1974,7 +1973,6 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = {
[CLKID_PCIE_REF] = &axg_pcie_ref.hw,
[CLKID_PCIE_CML_EN0] = &axg_pcie_cml_en0.hw,
[CLKID_PCIE_CML_EN1] = &axg_pcie_cml_en1.hw,
- [CLKID_MIPI_ENABLE] = &axg_mipi_enable.hw,
[CLKID_GEN_CLK_SEL] = &axg_gen_clk_sel.hw,
[CLKID_GEN_CLK_DIV] = &axg_gen_clk_div.hw,
[CLKID_GEN_CLK] = &axg_gen_clk.hw,
@@ -2115,7 +2113,6 @@ static struct clk_regmap *const axg_clk_regmaps[] = {
&axg_pcie_ref,
&axg_pcie_cml_en0,
&axg_pcie_cml_en1,
- &axg_mipi_enable,
&axg_gen_clk_sel,
&axg_gen_clk_div,
&axg_gen_clk,
diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h
index 481b307ea3cb..23ea87964af2 100644
--- a/drivers/clk/meson/axg.h
+++ b/drivers/clk/meson/axg.h
@@ -16,7 +16,6 @@
* Register offsets from the data sheet must be multiplied by 4 before
* adding them to the base address to get the right value.
*/
-#define HHI_MIPI_CNTL0 0x00
#define HHI_GP0_PLL_CNTL 0x40
#define HHI_GP0_PLL_CNTL2 0x44
#define HHI_GP0_PLL_CNTL3 0x48
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c
index b17a13e9337c..49f27fe53213 100644
--- a/drivers/clk/meson/clk-pll.c
+++ b/drivers/clk/meson/clk-pll.c
@@ -365,13 +365,14 @@ static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
{
struct clk_regmap *clk = to_clk_regmap(hw);
struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);
- unsigned int enabled, m, n, frac = 0, ret;
+ unsigned int enabled, m, n, frac = 0;
unsigned long old_rate;
+ int ret;
if (parent_rate == 0 || rate == 0)
return -EINVAL;
- old_rate = rate;
+ old_rate = clk_hw_get_rate(hw);
ret = meson_clk_get_pll_settings(rate, parent_rate, &m, &n, pll);
if (ret)
@@ -393,7 +394,8 @@ static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
if (!enabled)
return 0;
- if (meson_clk_pll_enable(hw)) {
+ ret = meson_clk_pll_enable(hw);
+ if (ret) {
pr_warn("%s: pll did not lock, trying to restore old rate %lu\n",
__func__, old_rate);
/*
@@ -405,7 +407,7 @@ static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
meson_clk_pll_set_rate(hw, old_rate, parent_rate);
}
- return 0;
+ return ret;
}
/*
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 862f0756b50f..a844d35b553a 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -52,15 +52,6 @@ static const struct pll_params_table sys_pll_params_table[] = {
{ /* sentinel */ },
};
-static struct clk_fixed_rate meson8b_xtal = {
- .fixed_rate = 24000000,
- .hw.init = &(struct clk_init_data){
- .name = "xtal",
- .num_parents = 0,
- .ops = &clk_fixed_rate_ops,
- },
-};
-
static struct clk_regmap meson8b_fixed_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
@@ -2715,7 +2706,6 @@ static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3);
static struct clk_hw_onecell_data meson8_hw_onecell_data = {
.hws = {
- [CLKID_XTAL] = &meson8b_xtal.hw,
[CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
[CLKID_PLL_VID] = &meson8b_vid_pll.hw,
[CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
@@ -2922,7 +2912,6 @@ static struct clk_hw_onecell_data meson8_hw_onecell_data = {
static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
.hws = {
- [CLKID_XTAL] = &meson8b_xtal.hw,
[CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
[CLKID_PLL_VID] = &meson8b_vid_pll.hw,
[CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
@@ -3140,7 +3129,6 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
static struct clk_hw_onecell_data meson8m2_hw_onecell_data = {
.hws = {
- [CLKID_XTAL] = &meson8b_xtal.hw,
[CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
[CLKID_PLL_VID] = &meson8b_vid_pll.hw,
[CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
@@ -3725,36 +3713,19 @@ static struct meson8b_nb_data meson8b_cpu_nb_data = {
.nb.notifier_call = meson8b_cpu_clk_notifier_cb,
};
-static const struct regmap_config clkc_regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
-};
-
static void __init meson8b_clkc_init_common(struct device_node *np,
struct clk_hw_onecell_data *clk_hw_onecell_data)
{
struct meson8b_clk_reset *rstc;
const char *notifier_clk_name;
struct clk *notifier_clk;
- void __iomem *clk_base;
struct regmap *map;
int i, ret;
map = syscon_node_to_regmap(of_get_parent(np));
if (IS_ERR(map)) {
- pr_info("failed to get HHI regmap - Trying obsolete regs\n");
-
- /* Generic clocks, PLLs and some of the reset-bits */
- clk_base = of_iomap(np, 1);
- if (!clk_base) {
- pr_err("%s: Unable to map clk base\n", __func__);
- return;
- }
-
- map = regmap_init_mmio(NULL, clk_base, &clkc_regmap_config);
- if (IS_ERR(map))
- return;
+ pr_err("failed to get HHI regmap - Trying obsolete regs\n");
+ return;
}
rstc = kzalloc(sizeof(*rstc), GFP_KERNEL);
@@ -3778,16 +3749,10 @@ static void __init meson8b_clkc_init_common(struct device_node *np,
meson8b_clk_regmaps[i]->map = map;
/*
- * always skip CLKID_UNUSED and also skip XTAL if the .dtb provides the
- * XTAL clock as input.
+ * register all clks and start with the first used ID (which is
+ * CLKID_PLL_FIXED)
*/
- if (!IS_ERR(of_clk_get_by_name(np, "xtal")))
- i = CLKID_PLL_FIXED;
- else
- i = CLKID_XTAL;
-
- /* register all clks */
- for (; i < CLK_NR_CLKS; i++) {
+ for (i = CLKID_PLL_FIXED; i < CLK_NR_CLKS; i++) {
/* array might be sparse */
if (!clk_hw_onecell_data->hws[i])
continue;