[PATCH 1/4] ARM: imx: clk-imx6q: Add necessary clock nodes.
Anson Huang
b20788 at freescale.com
Fri May 31 17:01:52 EDT 2013
Some clock gates are useful when we try to disable them
to save power, so we need to add these useful clock gate
into clock tree.
Signed-off-by: Anson Huang <b20788 at freescale.com>
---
.../devicetree/bindings/clock/imx6q-clock.txt | 13 +++++++++++++
arch/arm/mach-imx/clk-imx6q.c | 17 ++++++++++++++++-
2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
index 6deb6fd..df68f99 100644
--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
@@ -208,6 +208,19 @@ clocks and IDs.
pll4_post_div 193
pll5_post_div 194
pll5_video_div 195
+ aips_tz1 196
+ aips_tz2 197
+ caam_mem 198
+ caam_aclk 199
+ caam_ipg 200
+ tzasc1 201
+ tzasc2 202
+ vdoa 203
+ mmdc_ch0_ipg 204
+ mmdc_ch1_ipg 205
+ mx6fast1 206
+ per2_main 207
+ emi_slow 208
Examples:
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index dda9a2b..dfb77c1 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -238,7 +238,9 @@ enum mx6q_clks {
pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
- usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, clk_max
+ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, aips_tz1,
+ aips_tz2, caam_mem, caam_aclk, caam_ipg, tzasc1, tzasc2, vdoa, mmdc_ch0_ipg,
+ mmdc_ch1_ipg, mx6fast1, per2_main, emi_slow, clk_max
};
static struct clk *clk[clk_max];
@@ -466,8 +468,13 @@ int __init mx6q_clocks_init(void)
clk[ahb] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
/* name parent_name reg shift */
+ clk[aips_tz1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0);
+ clk[aips_tz2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2);
clk[apbh_dma] = imx_clk_gate2("apbh_dma", "usdhc3", base + 0x68, 4);
clk[asrc] = imx_clk_gate2("asrc", "asrc_podf", base + 0x68, 6);
+ clk[caam_mem] = imx_clk_gate2("caam_mem", "ahb", base + 0x68, 8);
+ clk[caam_aclk] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10);
+ clk[caam_ipg] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12);
clk[can1_ipg] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14);
clk[can1_serial] = imx_clk_gate2("can1_serial", "can_root", base + 0x68, 16);
clk[can2_ipg] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18);
@@ -490,6 +497,9 @@ int __init mx6q_clocks_init(void)
clk[i2c3] = imx_clk_gate2("i2c3", "ipg_per", base + 0x70, 10);
clk[iim] = imx_clk_gate2("iim", "ipg", base + 0x70, 12);
clk[enfc] = imx_clk_gate2("enfc", "enfc_podf", base + 0x70, 14);
+ clk[tzasc1] = imx_clk_gate2("tzasc1", "mmdc_ch0_axi_podf", base + 0x70, 22);
+ clk[tzasc2] = imx_clk_gate2("tzasc2", "mmdc_ch0_axi_podf", base + 0x70, 24);
+ clk[vdoa] = imx_clk_gate2("vdoa", "vdo_axi", base + 0x70, 26);
clk[ipu1] = imx_clk_gate2("ipu1", "ipu1_podf", base + 0x74, 0);
clk[ipu1_di0] = imx_clk_gate2("ipu1_di0", "ipu1_di0_sel", base + 0x74, 2);
clk[ipu1_di1] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4);
@@ -502,10 +512,14 @@ int __init mx6q_clocks_init(void)
clk[mlb] = imx_clk_gate2("mlb", "axi", base + 0x74, 18);
clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20);
clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22);
+ clk[mmdc_ch0_ipg] = imx_clk_gate2("mmdc_ch0_ipg", "ipg", base + 0x74, 24);
+ clk[mmdc_ch1_ipg] = imx_clk_gate2("mmdc_ch1_ipg", "ipg", base + 0x74, 26);
clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28);
clk[openvg_axi] = imx_clk_gate2("openvg_axi", "axi", base + 0x74, 30);
clk[pcie_axi] = imx_clk_gate2("pcie_axi", "pcie_axi_sel", base + 0x78, 0);
+ clk[mx6fast1] = imx_clk_gate2("mx6fast1", "ahb", base + 0x78, 8);
clk[per1_bch] = imx_clk_gate2("per1_bch", "usdhc3", base + 0x78, 12);
+ clk[per2_main] = imx_clk_gate2("per2_main", "ahb", base + 0x78, 14);
clk[pwm1] = imx_clk_gate2("pwm1", "ipg_per", base + 0x78, 16);
clk[pwm2] = imx_clk_gate2("pwm2", "ipg_per", base + 0x78, 18);
clk[pwm3] = imx_clk_gate2("pwm3", "ipg_per", base + 0x78, 20);
@@ -528,6 +542,7 @@ int __init mx6q_clocks_init(void)
clk[usdhc2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);
clk[usdhc3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
clk[usdhc4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);
+ clk[emi_slow] = imx_clk_gate2("emi_slow", "emi_slow_podf", base + 0x80, 10);
clk[vdo_axi] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
clk[vpu_axi] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14);
clk[cko1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7);
--
1.7.9.5
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