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authorJerome Brunet <jbrunet@baylibre.com>2018-02-12 15:58:36 +0100
committerNeil Armstrong <narmstrong@baylibre.com>2018-03-13 10:04:00 +0100
commit7f9768a5405192d49c5d963f5e29c740315efca7 (patch)
tree312cd704c8125e2f1ba422c33c0a884d309327b7 /drivers/clk/meson/axg.c
parentclk: meson: add regmap to the clock controllers (diff)
downloadlinux-dev-7f9768a5405192d49c5d963f5e29c740315efca7.tar.xz
linux-dev-7f9768a5405192d49c5d963f5e29c740315efca7.zip
clk: meson: migrate gates to clk_regmap
Move meson8b, gxbb and axg clocks using clk_gate to clk_regmap Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Diffstat (limited to 'drivers/clk/meson/axg.c')
-rw-r--r--drivers/clk/meson/axg.c72
1 files changed, 35 insertions, 37 deletions
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index aed0f9e64f71..ed14f6ea7b07 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -447,13 +447,14 @@ static struct clk_divider axg_mpeg_clk_div = {
},
};
-static struct clk_gate axg_clk81 = {
- .reg = (void *)HHI_MPEG_CLK_CNTL,
- .bit_idx = 7,
- .lock = &meson_clk_lock,
+static struct clk_regmap axg_clk81 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = HHI_MPEG_CLK_CNTL,
+ .bit_idx = 7,
+ },
.hw.init = &(struct clk_init_data){
.name = "clk81",
- .ops = &clk_gate_ops,
+ .ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "mpeg_clk_div" },
.num_parents = 1,
.flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
@@ -501,13 +502,14 @@ static struct clk_divider axg_sd_emmc_b_clk0_div = {
},
};
-static struct clk_gate axg_sd_emmc_b_clk0 = {
- .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
- .bit_idx = 23,
- .lock = &meson_clk_lock,
+static struct clk_regmap axg_sd_emmc_b_clk0 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = HHI_SD_EMMC_CLK_CNTL,
+ .bit_idx = 23,
+ },
.hw.init = &(struct clk_init_data){
.name = "sd_emmc_b_clk0",
- .ops = &clk_gate_ops,
+ .ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "sd_emmc_b_clk0_div" },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
@@ -544,13 +546,14 @@ static struct clk_divider axg_sd_emmc_c_clk0_div = {
},
};
-static struct clk_gate axg_sd_emmc_c_clk0 = {
- .reg = (void *)HHI_NAND_CLK_CNTL,
- .bit_idx = 7,
- .lock = &meson_clk_lock,
+static struct clk_regmap axg_sd_emmc_c_clk0 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = HHI_NAND_CLK_CNTL,
+ .bit_idx = 7,
+ },
.hw.init = &(struct clk_init_data){
.name = "sd_emmc_c_clk0",
- .ops = &clk_gate_ops,
+ .ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "sd_emmc_c_clk0_div" },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
@@ -697,7 +700,19 @@ static struct meson_clk_mpll *const axg_clk_mplls[] = {
&axg_mpll3,
};
-static struct clk_gate *const axg_clk_gates[] = {
+static struct clk_mux *const axg_clk_muxes[] = {
+ &axg_mpeg_clk_sel,
+ &axg_sd_emmc_b_clk0_sel,
+ &axg_sd_emmc_c_clk0_sel,
+};
+
+static struct clk_divider *const axg_clk_dividers[] = {
+ &axg_mpeg_clk_div,
+ &axg_sd_emmc_b_clk0_div,
+ &axg_sd_emmc_c_clk0_div,
+};
+
+static struct clk_regmap *const axg_clk_regmaps[] = {
&axg_clk81,
&axg_ddr,
&axg_audio_locker,
@@ -747,21 +762,7 @@ static struct clk_gate *const axg_clk_gates[] = {
&axg_sd_emmc_c_clk0,
};
-static struct clk_mux *const axg_clk_muxes[] = {
- &axg_mpeg_clk_sel,
- &axg_sd_emmc_b_clk0_sel,
- &axg_sd_emmc_c_clk0_sel,
-};
-
-static struct clk_divider *const axg_clk_dividers[] = {
- &axg_mpeg_clk_div,
- &axg_sd_emmc_b_clk0_div,
- &axg_sd_emmc_c_clk0_div,
-};
-
struct clkc_data {
- struct clk_gate *const *clk_gates;
- unsigned int clk_gates_count;
struct meson_clk_mpll *const *clk_mplls;
unsigned int clk_mplls_count;
struct meson_clk_pll *const *clk_plls;
@@ -774,8 +775,6 @@ struct clkc_data {
};
static const struct clkc_data axg_clkc_data = {
- .clk_gates = axg_clk_gates,
- .clk_gates_count = ARRAY_SIZE(axg_clk_gates),
.clk_mplls = axg_clk_mplls,
.clk_mplls_count = ARRAY_SIZE(axg_clk_mplls),
.clk_plls = axg_clk_plls,
@@ -834,11 +833,6 @@ static int axg_clkc_probe(struct platform_device *pdev)
for (i = 0; i < clkc_data->clk_mplls_count; i++)
clkc_data->clk_mplls[i]->base = clk_base;
- /* Populate base address for gates */
- for (i = 0; i < clkc_data->clk_gates_count; i++)
- clkc_data->clk_gates[i]->reg = clk_base +
- (u64)clkc_data->clk_gates[i]->reg;
-
/* Populate base address for muxes */
for (i = 0; i < clkc_data->clk_muxes_count; i++)
clkc_data->clk_muxes[i]->reg = clk_base +
@@ -849,6 +843,10 @@ static int axg_clkc_probe(struct platform_device *pdev)
clkc_data->clk_dividers[i]->reg = clk_base +
(u64)clkc_data->clk_dividers[i]->reg;
+ /* Populate regmap for the regmap backed clocks */
+ for (i = 0; i < ARRAY_SIZE(axg_clk_regmaps); i++)
+ axg_clk_regmaps[i]->map = map;
+
for (i = 0; i < clkc_data->hw_onecell_data->num; i++) {
/* array might be sparse */
if (!clkc_data->hw_onecell_data->hws[i])