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i.MX device tree changes with clock dependency: 

- Add clock for i.MX6UL GPIO blocks
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Merge tag 'imx-dt-clkdep-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX device tree changes with clock dependency:
 - Add clock for i.MX6UL GPIO blocks

* tag 'imx-dt-clkdep-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6ul: add GPIO clocks
  clk: imx6ul: remove clks_init_on array
  clk: imx6ul: add GPIO clock gates
  dt-bindings: clock: imx6ul: Do not change the clock definition order

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2018-07-21 14:54:42 -07:00
parent 88657e9012 bc36b2aac4
commit 3c34a84544
3 changed files with 41 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/boot/dts/imx6ul.dtsi
View File

@ -433,6 +433,7 @@
reg = <0x0209c000 0x4000>;
interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_GPIO1>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@ -446,6 +447,7 @@
reg = <0x020a0000 0x4000>;
interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_GPIO2>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@ -458,6 +460,7 @@
reg = <0x020a4000 0x4000>;
interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_GPIO3>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@ -470,6 +473,7 @@
reg = <0x020a8000 0x4000>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_GPIO4>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@ -482,6 +486,7 @@
reg = <0x020ac000 0x4000>;
interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6UL_CLK_GPIO5>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;

28
drivers/clk/imx/clk-imx6ul.c
View File

@ -79,12 +79,6 @@ static const char *cko_sels[] = { "cko1", "cko2", };
static struct clk *clks[IMX6UL_CLK_END];
static struct clk_onecell_data clk_data;
static int const clks_init_on[] __initconst = {
IMX6UL_CLK_AIPSTZ1, IMX6UL_CLK_AIPSTZ2,
IMX6UL_CLK_AXI, IMX6UL_CLK_ARM, IMX6UL_CLK_ROM,
IMX6UL_CLK_MMDC_P0_FAST, IMX6UL_CLK_MMDC_P0_IPG,
};
static const struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
@ -129,7 +123,6 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
int i;
clks[IMX6UL_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
@ -336,8 +329,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
/* CCGR0 */
clks[IMX6UL_CLK_AIPSTZ1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0);
clks[IMX6UL_CLK_AIPSTZ2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2);
clks[IMX6UL_CLK_AIPSTZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", base + 0x68, 0, CLK_IS_CRITICAL);
clks[IMX6UL_CLK_AIPSTZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", base + 0x68, 2, CLK_IS_CRITICAL);
clks[IMX6UL_CLK_APBHDMA] = imx_clk_gate2("apbh_dma", "bch_podf", base + 0x68, 4);
clks[IMX6UL_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc);
clks[IMX6UL_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc);
@ -360,6 +353,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_UART2_SERIAL] = imx_clk_gate2("uart2_serial", "uart_podf", base + 0x68, 28);
if (clk_on_imx6ull())
clks[IMX6UL_CLK_AIPSTZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x80, 18);
clks[IMX6UL_CLK_GPIO2] = imx_clk_gate2("gpio2", "ipg", base + 0x68, 30);
/* CCGR1 */
clks[IMX6UL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_podf", base + 0x6c, 0);
@ -376,6 +370,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_GPT1_SERIAL] = imx_clk_gate2("gpt1_serial", "perclk", base + 0x6c, 22);
clks[IMX6UL_CLK_UART4_IPG] = imx_clk_gate2("uart4_ipg", "ipg", base + 0x6c, 24);
clks[IMX6UL_CLK_UART4_SERIAL] = imx_clk_gate2("uart4_serial", "uart_podf", base + 0x6c, 24);
clks[IMX6UL_CLK_GPIO1] = imx_clk_gate2("gpio1", "ipg", base + 0x6c, 26);
clks[IMX6UL_CLK_GPIO5] = imx_clk_gate2("gpio5", "ipg", base + 0x6c, 30);
/* CCGR2 */
if (clk_on_imx6ull()) {
@ -389,6 +385,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10);
clks[IMX6UL_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12);
clks[IMX6UL_CLK_IOMUXC] = imx_clk_gate2("iomuxc", "lcdif_podf", base + 0x70, 14);
clks[IMX6UL_CLK_GPIO3] = imx_clk_gate2("gpio3", "ipg", base + 0x70, 26);
clks[IMX6UL_CLK_LCDIF_APB] = imx_clk_gate2("lcdif_apb", "axi", base + 0x70, 28);
clks[IMX6UL_CLK_PXP] = imx_clk_gate2("pxp", "axi", base + 0x70, 30);
@ -405,11 +402,12 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_UART6_IPG] = imx_clk_gate2("uart6_ipg", "ipg", base + 0x74, 6);
clks[IMX6UL_CLK_UART6_SERIAL] = imx_clk_gate2("uart6_serial", "uart_podf", base + 0x74, 6);
clks[IMX6UL_CLK_LCDIF_PIX] = imx_clk_gate2("lcdif_pix", "lcdif_podf", base + 0x74, 10);
clks[IMX6UL_CLK_GPIO4] = imx_clk_gate2("gpio4", "ipg", base + 0x74, 12);
clks[IMX6UL_CLK_QSPI] = imx_clk_gate2("qspi1", "qspi1_podf", base + 0x74, 14);
clks[IMX6UL_CLK_WDOG1] = imx_clk_gate2("wdog1", "ipg", base + 0x74, 16);
clks[IMX6UL_CLK_MMDC_P0_FAST] = imx_clk_gate("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20);
clks[IMX6UL_CLK_MMDC_P0_IPG] = imx_clk_gate2("mmdc_p0_ipg", "ipg", base + 0x74, 24);
clks[IMX6UL_CLK_AXI] = imx_clk_gate("axi", "axi_podf", base + 0x74, 28);
clks[IMX6UL_CLK_MMDC_P0_FAST] = imx_clk_gate_flags("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20, CLK_IS_CRITICAL);
clks[IMX6UL_CLK_MMDC_P0_IPG] = imx_clk_gate2_flags("mmdc_p0_ipg", "ipg", base + 0x74, 24, CLK_IS_CRITICAL);
clks[IMX6UL_CLK_AXI] = imx_clk_gate_flags("axi", "axi_podf", base + 0x74, 28, CLK_IS_CRITICAL);
/* CCGR4 */
clks[IMX6UL_CLK_PER_BCH] = imx_clk_gate2("per_bch", "bch_podf", base + 0x78, 12);
@ -423,7 +421,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_GPMI_APB] = imx_clk_gate2("gpmi_apb", "bch_podf", base + 0x78, 30);
/* CCGR5 */
clks[IMX6UL_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0);
clks[IMX6UL_CLK_ROM] = imx_clk_gate2_flags("rom", "ahb", base + 0x7c, 0, CLK_IS_CRITICAL);
clks[IMX6UL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
clks[IMX6UL_CLK_KPP] = imx_clk_gate2("kpp", "ipg", base + 0x7c, 8);
clks[IMX6UL_CLK_WDOG2] = imx_clk_gate2("wdog2", "ipg", base + 0x7c, 10);
@ -497,10 +495,6 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clk_set_rate(clks[IMX6UL_CLK_ENET2_REF], 50000000);
clk_set_rate(clks[IMX6UL_CLK_CSI], 24000000);
/* keep all the clks on just for bringup */
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
clk_prepare_enable(clks[clks_init_on[i]]);
if (clk_on_imx6ull())
clk_prepare_enable(clks[IMX6UL_CLK_AIPSTZ3]);

46
include/dt-bindings/clock/imx6ul-clock.h
View File

@ -235,27 +235,31 @@
#define IMX6UL_CLK_CSI_PODF 222
#define IMX6UL_CLK_PLL3_120M 223
#define IMX6UL_CLK_KPP 224
#define IMX6UL_CLK_CKO1_SEL 225
#define IMX6UL_CLK_CKO1_PODF 226
#define IMX6UL_CLK_CKO1 227
#define IMX6UL_CLK_CKO2_SEL 228
#define IMX6UL_CLK_CKO2_PODF 229
#define IMX6UL_CLK_CKO2 230
#define IMX6UL_CLK_CKO 231
#define IMX6ULL_CLK_ESAI_PRED 225
#define IMX6ULL_CLK_ESAI_PODF 226
#define IMX6ULL_CLK_ESAI_EXTAL 227
#define IMX6ULL_CLK_ESAI_MEM 228
#define IMX6ULL_CLK_ESAI_IPG 229
#define IMX6ULL_CLK_DCP_CLK 230
#define IMX6ULL_CLK_EPDC_PRE_SEL 231
#define IMX6ULL_CLK_EPDC_SEL 232
#define IMX6ULL_CLK_EPDC_PODF 233
#define IMX6ULL_CLK_EPDC_ACLK 234
#define IMX6ULL_CLK_EPDC_PIX 235
#define IMX6ULL_CLK_ESAI_SEL 236
#define IMX6UL_CLK_CKO1_SEL 237
#define IMX6UL_CLK_CKO1_PODF 238
#define IMX6UL_CLK_CKO1 239
#define IMX6UL_CLK_CKO2_SEL 240
#define IMX6UL_CLK_CKO2_PODF 241
#define IMX6UL_CLK_CKO2 242
#define IMX6UL_CLK_CKO 243
#define IMX6UL_CLK_GPIO1 244
#define IMX6UL_CLK_GPIO2 245
#define IMX6UL_CLK_GPIO3 246
#define IMX6UL_CLK_GPIO4 247
#define IMX6UL_CLK_GPIO5 248
/* For i.MX6ULL */
#define IMX6ULL_CLK_ESAI_PRED 232
#define IMX6ULL_CLK_ESAI_PODF 233
#define IMX6ULL_CLK_ESAI_EXTAL 234
#define IMX6ULL_CLK_ESAI_MEM 235
#define IMX6ULL_CLK_ESAI_IPG 236
#define IMX6ULL_CLK_DCP_CLK 237
#define IMX6ULL_CLK_EPDC_PRE_SEL 238
#define IMX6ULL_CLK_EPDC_SEL 239
#define IMX6ULL_CLK_EPDC_PODF 240
#define IMX6ULL_CLK_EPDC_ACLK 241
#define IMX6ULL_CLK_EPDC_PIX 242
#define IMX6ULL_CLK_ESAI_SEL 243
#define IMX6UL_CLK_END 244
#define IMX6UL_CLK_END 249
#endif /* __DT_BINDINGS_CLOCK_IMX6UL_H */