[PATCH 2/2] clk: meson: gxbb: Add VPU and VAPB clocks data

[Neil Armstrong]

The Amlogic Meson GX SoCs needs these two clocks to power up the
VPU power domain.

These two clocks are similar to the MALI clocks by having a glitch-free
mux and two similar clocks with gate, divider and muxes.

Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
---
 drivers/clk/meson/gxbb.c | 292 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 292 insertions(+)

diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index b2d1e8e..a713744 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -1131,6 +1131,253 @@ static struct clk_gate gxbb_sd_emmc_c_clk0 = {
 	},
 };
 
+/* VPU Clock */
+
+static u32 mux_table_vpu[] = {0, 1, 2, 3};
+static const char * const gxbb_vpu_parent_names[] = {
+	"fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7"
+};
+
+static struct clk_mux gxbb_vpu_0_sel = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.mask = 0x3,
+	.shift = 9,
+	.lock = &clk_lock,
+	.table = mux_table_vpu,
+	.hw.init = &(struct clk_init_data){
+		.name = "vpu_0_sel",
+		.ops = &clk_mux_ops,
+		/*
+		 * bits 9:10 selects from 4 possible parents:
+		 * fclk_div4, fclk_div3, fclk_div5, fclk_div7,
+		 */
+		.parent_names = gxbb_vpu_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vpu_parent_names),
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_divider gxbb_vpu_0_div = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.shift = 0,
+	.width = 7,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vpu_0_div",
+		.ops = &clk_divider_ops,
+		.parent_names = (const char *[]){ "vpu_0_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_gate gxbb_vpu_0 = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.bit_idx = 8,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data) {
+		.name = "vpu_0",
+		.ops = &clk_gate_ops,
+		.parent_names = (const char *[]){ "vpu_0_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_mux gxbb_vpu_1_sel = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.mask = 0x3,
+	.shift = 25,
+	.lock = &clk_lock,
+	.table = mux_table_vpu,
+	.hw.init = &(struct clk_init_data){
+		.name = "vpu_1_sel",
+		.ops = &clk_mux_ops,
+		/*
+		 * bits 25:26 selects from 4 possible parents:
+		 * fclk_div4, fclk_div3, fclk_div5, fclk_div7,
+		 */
+		.parent_names = gxbb_vpu_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vpu_parent_names),
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_divider gxbb_vpu_1_div = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.shift = 16,
+	.width = 7,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vpu_1_div",
+		.ops = &clk_divider_ops,
+		.parent_names = (const char *[]){ "vpu_1_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_gate gxbb_vpu_1 = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.bit_idx = 24,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data) {
+		.name = "vpu_1",
+		.ops = &clk_gate_ops,
+		.parent_names = (const char *[]){ "vpu_1_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_mux gxbb_vpu = {
+	.reg = (void *)HHI_VPU_CLK_CNTL,
+	.mask = 1,
+	.shift = 31,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vpu",
+		.ops = &clk_mux_ops,
+		/*
+		 * bit 31 selects from 2 possible parents:
+		 * vpu_0 or vpu_1
+		 */
+		.parent_names = (const char *[]){ "vpu_0", "vpu_1" },
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+/* VAPB Clock */
+
+static u32 mux_table_vapb[] = {0, 1, 2, 3};
+static const char * const gxbb_vapb_parent_names[] = {
+	"fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7"
+};
+
+static struct clk_mux gxbb_vapb_0_sel = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.mask = 0x3,
+	.shift = 9,
+	.lock = &clk_lock,
+	.table = mux_table_vapb,
+	.hw.init = &(struct clk_init_data){
+		.name = "vapb_0_sel",
+		.ops = &clk_mux_ops,
+		/*
+		 * bits 9:10 selects from 4 possible parents:
+		 * fclk_div4, fclk_div3, fclk_div5, fclk_div7,
+		 */
+		.parent_names = gxbb_vapb_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vapb_parent_names),
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_divider gxbb_vapb_0_div = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.shift = 0,
+	.width = 7,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vapb_0_div",
+		.ops = &clk_divider_ops,
+		.parent_names = (const char *[]){ "vapb_0_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_gate gxbb_vapb_0 = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.bit_idx = 8,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data) {
+		.name = "vapb_0",
+		.ops = &clk_gate_ops,
+		.parent_names = (const char *[]){ "vapb_0_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_mux gxbb_vapb_1_sel = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.mask = 0x3,
+	.shift = 25,
+	.lock = &clk_lock,
+	.table = mux_table_vapb,
+	.hw.init = &(struct clk_init_data){
+		.name = "vapb_1_sel",
+		.ops = &clk_mux_ops,
+		/*
+		 * bits 25:26 selects from 4 possible parents:
+		 * fclk_div4, fclk_div3, fclk_div5, fclk_div7,
+		 */
+		.parent_names = gxbb_vapb_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vapb_parent_names),
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_divider gxbb_vapb_1_div = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.shift = 16,
+	.width = 7,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vapb_1_div",
+		.ops = &clk_divider_ops,
+		.parent_names = (const char *[]){ "vapb_1_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_gate gxbb_vapb_1 = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.bit_idx = 24,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data) {
+		.name = "vapb_1",
+		.ops = &clk_gate_ops,
+		.parent_names = (const char *[]){ "vapb_1_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_mux gxbb_vapb_sel = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.mask = 1,
+	.shift = 31,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data){
+		.name = "vapb_sel",
+		.ops = &clk_mux_ops,
+		/*
+		 * bit 31 selects from 2 possible parents:
+		 * vapb_0 or vapb_1
+		 */
+		.parent_names = (const char *[]){ "vapb_0", "vapb_1" },
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
+static struct clk_gate gxbb_vapb = {
+	.reg = (void *)HHI_VAPBCLK_CNTL,
+	.bit_idx = 30,
+	.lock = &clk_lock,
+	.hw.init = &(struct clk_init_data) {
+		.name = "vapb",
+		.ops = &clk_gate_ops,
+		.parent_names = (const char *[]){ "vapb_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+	},
+};
+
 /* Everything Else (EE) domain gates */
 static MESON_GATE(gxbb_ddr, HHI_GCLK_MPEG0, 0);
 static MESON_GATE(gxbb_dos, HHI_GCLK_MPEG0, 1);
@@ -1349,6 +1596,21 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = {
 		[CLKID_SD_EMMC_C_CLK0_SEL]  = &gxbb_sd_emmc_c_clk0_sel.hw,
 		[CLKID_SD_EMMC_C_CLK0_DIV]  = &gxbb_sd_emmc_c_clk0_div.hw,
 		[CLKID_SD_EMMC_C_CLK0]	    = &gxbb_sd_emmc_c_clk0.hw,
+		[CLKID_VPU_0_SEL]	    = &gxbb_vpu_0_sel.hw,
+		[CLKID_VPU_0_DIV]	    = &gxbb_vpu_0_div.hw,
+		[CLKID_VPU_0]		    = &gxbb_vpu_0.hw,
+		[CLKID_VPU_1_SEL]	    = &gxbb_vpu_1_sel.hw,
+		[CLKID_VPU_1_DIV]	    = &gxbb_vpu_1_div.hw,
+		[CLKID_VPU_1]		    = &gxbb_vpu_1.hw,
+		[CLKID_VPU]		    = &gxbb_vpu.hw,
+		[CLKID_VAPB_0_SEL]	    = &gxbb_vapb_0_sel.hw,
+		[CLKID_VAPB_0_DIV]	    = &gxbb_vapb_0_div.hw,
+		[CLKID_VAPB_0]		    = &gxbb_vapb_0.hw,
+		[CLKID_VAPB_1_SEL]	    = &gxbb_vapb_1_sel.hw,
+		[CLKID_VAPB_1_DIV]	    = &gxbb_vapb_1_div.hw,
+		[CLKID_VAPB_1]		    = &gxbb_vapb_1.hw,
+		[CLKID_VAPB_SEL]	    = &gxbb_vapb_sel.hw,
+		[CLKID_VAPB]		    = &gxbb_vapb.hw,
 		[NR_CLKS]		    = NULL,
 	},
 	.num = NR_CLKS,
@@ -1481,6 +1743,21 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = {
 		[CLKID_SD_EMMC_C_CLK0_SEL]  = &gxbb_sd_emmc_c_clk0_sel.hw,
 		[CLKID_SD_EMMC_C_CLK0_DIV]  = &gxbb_sd_emmc_c_clk0_div.hw,
 		[CLKID_SD_EMMC_C_CLK0]	    = &gxbb_sd_emmc_c_clk0.hw,
+		[CLKID_VPU_0_SEL]	    = &gxbb_vpu_0_sel.hw,
+		[CLKID_VPU_0_DIV]	    = &gxbb_vpu_0_div.hw,
+		[CLKID_VPU_0]		    = &gxbb_vpu_0.hw,
+		[CLKID_VPU_1_SEL]	    = &gxbb_vpu_1_sel.hw,
+		[CLKID_VPU_1_DIV]	    = &gxbb_vpu_1_div.hw,
+		[CLKID_VPU_1]		    = &gxbb_vpu_1.hw,
+		[CLKID_VPU]		    = &gxbb_vpu.hw,
+		[CLKID_VAPB_0_SEL]	    = &gxbb_vapb_0_sel.hw,
+		[CLKID_VAPB_0_DIV]	    = &gxbb_vapb_0_div.hw,
+		[CLKID_VAPB_0]		    = &gxbb_vapb_0.hw,
+		[CLKID_VAPB_1_SEL]	    = &gxbb_vapb_1_sel.hw,
+		[CLKID_VAPB_1_DIV]	    = &gxbb_vapb_1_div.hw,
+		[CLKID_VAPB_1]		    = &gxbb_vapb_1.hw,
+		[CLKID_VAPB_SEL]	    = &gxbb_vapb_sel.hw,
+		[CLKID_VAPB]		    = &gxbb_vapb.hw,
 		[NR_CLKS]		    = NULL,
 	},
 	.num = NR_CLKS,
@@ -1600,6 +1877,11 @@ static struct clk_gate *const gxbb_clk_gates[] = {
 	&gxbb_sd_emmc_a_clk0,
 	&gxbb_sd_emmc_b_clk0,
 	&gxbb_sd_emmc_c_clk0,
+	&gxbb_vpu_0,
+	&gxbb_vpu_1,
+	&gxbb_vapb_0,
+	&gxbb_vapb_1,
+	&gxbb_vapb,
 };
 
 static struct clk_mux *const gxbb_clk_muxes[] = {
@@ -1615,6 +1897,12 @@ static struct clk_mux *const gxbb_clk_muxes[] = {
 	&gxbb_sd_emmc_a_clk0_sel,
 	&gxbb_sd_emmc_b_clk0_sel,
 	&gxbb_sd_emmc_c_clk0_sel,
+	&gxbb_vpu_0_sel,
+	&gxbb_vpu_1_sel,
+	&gxbb_vpu,
+	&gxbb_vapb_0_sel,
+	&gxbb_vapb_1_sel,
+	&gxbb_vapb_sel,
 };
 
 static struct clk_divider *const gxbb_clk_dividers[] = {
@@ -1627,6 +1915,10 @@ static struct clk_divider *const gxbb_clk_dividers[] = {
 	&gxbb_sd_emmc_a_clk0_div,
 	&gxbb_sd_emmc_b_clk0_div,
 	&gxbb_sd_emmc_c_clk0_div,
+	&gxbb_vpu_0_div,
+	&gxbb_vpu_1_div,
+	&gxbb_vapb_0_div,
+	&gxbb_vapb_1_div,
 };
 
 static struct meson_clk_audio_divider *const gxbb_audio_dividers[] = {
-- 
2.7.4