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Subject[PATCH 6/8] clk: tegra30: add 2d and 3d idle clocks
Date
The 2D and 3D clocks have an IDLE field in bits 15:8 so add these
clocks by making a 2D and 3D mux, and split the divider into the
standard 2D/3D ones and 2D/3D idle clocks.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
drivers/clk/tegra/clk-id.h | 4 ++++
drivers/clk/tegra/clk-tegra-periph.c | 23 +++++++++++++++++++++--
drivers/clk/tegra/clk-tegra30.c | 8 ++++++++
include/dt-bindings/clock/tegra30-car.h | 7 ++++++-
4 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index b616e33c5255..0d202a70ce66 100644
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -91,8 +91,12 @@ enum clk_id {
tegra_clk_fuse_burn,
tegra_clk_gpu,
tegra_clk_gr2d,
+ tegra_clk_gr2d_mux,
+ tegra_clk_gr2d_idle,
tegra_clk_gr2d_8,
tegra_clk_gr3d,
+ tegra_clk_gr3d_mux,
+ tegra_clk_gr3d_idle,
tegra_clk_gr3d_8,
tegra_clk_hclk,
tegra_clk_hda,
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 47e5b1ac1a69..83967dac93f2 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -263,6 +263,21 @@
.flags = _flags, \
}

+#define GATE_DIV(_name, _parent_name, _offset, \
+ _div_shift, _div_width, _div_frac_width, _div_flags, \
+ _clk_num, _gate_flags, _clk_id, _flags) \
+ { \
+ .name = _name, \
+ .clk_id = _clk_id, \
+ .offset = _offset, \
+ .p.parent_name = _parent_name, \
+ .periph = TEGRA_CLK_PERIPH(0, 0, 0, \
+ _div_shift, _div_width, \
+ _div_frac_width, _div_flags, \
+ _clk_num, _gate_flags, NULL, NULL), \
+ .flags = _flags \
+ }
+
#define PLLP_BASE 0xa0
#define PLLP_MISC 0xac
#define PLLP_MISC1 0x680
@@ -646,8 +661,12 @@ static struct tegra_periph_init_data periph_clks[] = {
MUX("epp", mux_pllm_pllc_pllp_plla, CLK_SOURCE_EPP, 19, 0, tegra_clk_epp),
MUX("host1x", mux_pllm_pllc_pllp_plla, CLK_SOURCE_HOST1X, 28, 0, tegra_clk_host1x),
MUX("mpe", mux_pllm_pllc_pllp_plla, CLK_SOURCE_MPE, 60, 0, tegra_clk_mpe),
- MUX("2d", mux_pllm_pllc_pllp_plla, CLK_SOURCE_2D, 21, 0, tegra_clk_gr2d),
- MUX("3d", mux_pllm_pllc_pllp_plla, CLK_SOURCE_3D, 24, 0, tegra_clk_gr3d),
+ MUX("2d_mux", mux_pllm_pllc_pllp_plla, CLK_SOURCE_2D, 0, TEGRA_PERIPH_NO_DIV | TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_NO_GATE, tegra_clk_gr2d_mux),
+ GATE_DIV("2d", "2d_mux", CLK_SOURCE_2D, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,21, 0, tegra_clk_gr2d, 0),
+ GATE_DIV("2d_idle", "2d_mux", CLK_SOURCE_2D, 8, 8, 1, TEGRA_DIVIDER_ROUND_UP, 0, TEGRA_PERIPH_NO_GATE | TEGRA_PERIPH_NO_RESET, tegra_clk_gr2d_idle, 0),
+ MUX("3d_mux", mux_pllm_pllc_pllp_plla, CLK_SOURCE_3D, 0, TEGRA_PERIPH_NO_DIV | TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_NO_GATE, tegra_clk_gr3d_mux),
+ GATE_DIV("3d", "3d_mux", CLK_SOURCE_3D, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 24, 0, tegra_clk_gr3d, 0),
+ GATE_DIV("3d_idle", "3d_mux", CLK_SOURCE_3D, 8, 8, 1, TEGRA_DIVIDER_ROUND_UP, 0, TEGRA_PERIPH_NO_GATE | TEGRA_PERIPH_NO_RESET, tegra_clk_gr3d_idle, 0),
INT8("vde", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_VDE, 61, 0, tegra_clk_vde_8),
INT8("vi", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI, 20, 0, tegra_clk_vi_8),
INT8("vi", mux_pllm_pllc2_c_c3_pllp_plla_pllc4, CLK_SOURCE_VI, 20, 0, tegra_clk_vi_9),
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index acfe661b2ae7..227d3643ecca 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -658,8 +658,12 @@ static struct tegra_devclk devclks[] __initdata = {
{ .dev_id = "mpe", .dt_id = TEGRA30_CLK_MPE },
{ .dev_id = "host1x", .dt_id = TEGRA30_CLK_HOST1X },
{ .dev_id = "3d", .dt_id = TEGRA30_CLK_GR3D },
+ { .dev_id = "3d", .con_id = "mux", .dt_id = TEGRA30_CLK_GR3D_MUX },
+ { .dev_id = "3d", .con_id = "idle", .dt_id = TEGRA30_CLK_GR3D_IDLE },
{ .dev_id = "3d2", .dt_id = TEGRA30_CLK_GR3D2 },
{ .dev_id = "2d", .dt_id = TEGRA30_CLK_GR2D },
+ { .dev_id = "2d", .con_id = "mux", .dt_id = TEGRA30_CLK_GR2D_MUX },
+ { .dev_id = "2d", .con_id = "idle", .dt_id = TEGRA30_CLK_GR2D_IDLE },
{ .dev_id = "se", .dt_id = TEGRA30_CLK_SE },
{ .dev_id = "mselect", .dt_id = TEGRA30_CLK_MSELECT },
{ .dev_id = "tegra-nor", .dt_id = TEGRA30_CLK_NOR },
@@ -762,6 +766,10 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = {
[tegra_clk_host1x] = { .dt_id = TEGRA30_CLK_HOST1X, .present = true },
[tegra_clk_gr2d] = { .dt_id = TEGRA30_CLK_GR2D, .present = true },
[tegra_clk_gr3d] = { .dt_id = TEGRA30_CLK_GR3D, .present = true },
+ [tegra_clk_gr2d_mux] = { .dt_id = TEGRA30_CLK_GR2D_MUX, .present = true },
+ [tegra_clk_gr3d_mux] = { .dt_id = TEGRA30_CLK_GR3D_MUX, .present = true },
+ [tegra_clk_gr2d_idle] = { .dt_id = TEGRA30_CLK_GR2D_IDLE, .present = true },
+ [tegra_clk_gr3d_idle] = { .dt_id = TEGRA30_CLK_GR3D_IDLE, .present = true },
[tegra_clk_mselect] = { .dt_id = TEGRA30_CLK_MSELECT, .present = true },
[tegra_clk_nor] = { .dt_id = TEGRA30_CLK_NOR, .present = true },
[tegra_clk_sdmmc1] = { .dt_id = TEGRA30_CLK_SDMMC1, .present = true },
diff --git a/include/dt-bindings/clock/tegra30-car.h b/include/dt-bindings/clock/tegra30-car.h
index 3c90f1535551..eda4ca60351e 100644
--- a/include/dt-bindings/clock/tegra30-car.h
+++ b/include/dt-bindings/clock/tegra30-car.h
@@ -269,6 +269,11 @@
#define TEGRA30_CLK_AUDIO3_MUX 306
#define TEGRA30_CLK_AUDIO4_MUX 307
#define TEGRA30_CLK_SPDIF_MUX 308
-#define TEGRA30_CLK_CLK_MAX 309
+
+#define TEGRA30_CLK_GR2D_MUX 309
+#define TEGRA30_CLK_GR3D_MUX 310
+#define TEGRA30_CLK_GR2D_IDLE 311
+#define TEGRA30_CLK_GR3D_IDLE 312
+#define TEGRA30_CLK_CLK_MAX 313

#endif /* _DT_BINDINGS_CLOCK_TEGRA30_CAR_H */
--
2.18.0
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